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Editorial Office

University of Ljubljana
Faculty of Mechanical Engineering
Journal of Mechanical Engineering

Aškerčeva 6,

SI-1000 Ljubljana
Slovenia

P: +386 1 4771 137
E: info@sv-jme.eu



The journal is subsidized by Slovenian Research Agency.

 
ISSN: 0039-2480

Articles






Items per page   6 10 20 50
 
 

The Influence of Airflow Characteristics and Accumulation Grid Velocity on the Formation of a Stone Wool Primary Layer

Marko Peternelj* – Benjamin Bizjan – Branko Širok

In this paper, the industrial process of stone wool primary layer formation has been investigated. The blow-away airflow, collecting chamber suction pressure, ...


 

A Practical Method to Detect a Transverse Cracked Rotor Using Transient Response

Xiaofeng Wang – Jun Liu* – Weimin Ge

To detect a transverse crack caused by fatigue or creep, most of the research has thus far paid attention only to resonances of steady-state oscillations...


 

Mixed Convection Heat Transfer in a Square Lid-Driven Cavity Filled with Al2O3-Water Nanofluid

Yazan Taamneh* – Kahled Bataineh

This work is focused on the steady laminar mixed convection flow in a lid-driven square cavity filled with Al2O3 water-nanofluid using computational fluid ...


 

Control-Oriented Modelling with Experimental Verification and Design of the Appropriate Gains of a PI Speed Ratio Controller of Chain CVTs

Ahmet Yildiz* – Osman Kopmaz

The continuously variable transmission (CVT) system represents one of the best solutions to minimize the fuel consumption for vehicles that are driven by an ...


 

Analysis of the Influence of Laser Power on the Microstructure and Properties of a Titanium Alloy-Reinforced Boron Carbide Matrix Composite (Ti6Al4V-B4C)

Musibau O. Ogunlana* – Esther T. Akinlabi – Mutiu F. Erinosho

Laser Metal Deposition (LMD) process is a means of producing metal composites with the aid of a laser beam, ejected onto the substrate with the participating ...


 

In-situ Observations of a Multi-Asperity Real Contact Area on a Submicron Scale

Blaž Brodnik Žugelj – Mitjan Kalin*

We present apparatus that allows in-situ optical measurements of the evolving real contact area between a rigid glass and a deformable Al6026 surface with 700 ...


 

Machine-Vision-Based Human-Oriented Mobile Robots: A Review

Miha Finžgar* – Primož Podržaj

In this paper we present a study of vision-based, human-recognition solutions in human-oriented, mobile-robot applications. Human recognition is composed of...


 

The Calculation of Meshing Efficiency of a New Type of Conical Involute Gear

Li Yu – Guangjian Wang* – Shuaidong Zou

A new type of conical involute gear, proposed in this paper, can be applied in precise gear transmission for adjusting the backlash because of the special...


 

Drop-in Performance Analysis and Effect of IHX for an Automotive Air Conditioning System with R1234yf as a Replacement of R134a

Mehmet Direk* – Alper Kelesoglu – Ahmet Akin

This paper presents the experimental comparative performance analysis of an automotive air conditioning (AAC) system using R1234yf and R134a. For this...


 

Critical Failure Analysis of Superheater Tubes of Coal-Based Boiler

Gagan Kumar Gupta* – Somnath Chattopadhyaya

This paper highlights a methodology for failure investigation of superheater tubes made of the material T-22 of a coal-based boiler. The process includes...


 

Influence of Quasi-Steady Wind Loads on the Fatigue Damage of Wind Turbine Gearboxes

Dong Xiang* – Li Jiang – Mengxing You – Yinhua Shen

Quasi-steady wind varies both in time and space and has a great influence on a wind turbine gearbox’s fatigue life. Quasi-steady wind fields are described...


 

Failure Analysis of the Multi-Level Series Rotary Seal Device under High-Pressure Water

Zenghui Liu – Changlong Du* – Songyong Liu – Hongxiang Jiang

High-pressure water jets are used to assist roadheaders in breaking hard rock. The failure life of the high-pressure rotary seal (HPRS) is significant, due to...


 

A Surveillance of Direct-Firing System for Pulverized-Coal Using Statistically Treated Signals from Intrusive Electrostatic Sensors

Boštjan Jurjevčič – Andrej Senegačnik – Igor Kuštrin*

Operational surveillance of all vital parts of thermal power plants is nowadays more important than any time before due to requirements for their extremely...


 

An Experimental Investigation and Numerical Simulation in SPF of AA 5083 Alloy using Programming Logic Control Approach

Muthusamy Balasubramanian* – Pasupathy Ganesh – Kalimuthu Ramanathan – Velukkudi Santhanam Senthil Kumar

A new programming logic control method is proposed to predict the pressure during the superplastic forming process with improved forming characteristics of AA...


 

Reliability Assessment of Bearings Based on Performance Degradation Values under Small Samples

Luosheng Qin – Xuejin Shen* – Xiaoyang Chen – Pandong Gao

It is difficult to obtain the lifetime data of a long lifetime bearing from a test with limited time. Therefore, to apply the method of reliability assessment...


 

Performance Index in MHD Duct Nanofluid Flow Past a Bluff Body at High Re

Kozhikkatil Sunil Arjun* – Rakesh Kumar

The quasi-two-dimensional Al2O3-water nanofluid magneto hydro-dynamics (MHD) flowing over a circular cylinder at higher Reynolds number has been modelled...


 

Pneumatic Muscle-Actuated Adjustable Compliant Gripper System for Assembly Operations

Tudor Deaconescu* – Andrea Deaconescu

The aim of this paper is to present and discuss an innovative, constructive solution for a gripper system that can be attached to an industrial robot for...


 

The Validation of Numerical Methodology for Oven Design Optimization Using Numerical Simulations and Baking Experiments

Uroš Kokolj* – Leopold Škerget – Jure Ravnik

In this paper, we will present the validation of numerical methodology for the improvement of baking performance of a forced convection oven. The baking...


 

Determination of the Threshold for Extreme Load Extrapolation Based on Multi-Criteria Decision-Making Technology

Jixin Wang – Xinting Zhai* – Cheng Liu – Yingshuang Zhang

The peak over threshold (POT) model is commonly used in extreme load extrapolation. Due to the important role that the threshold plays in establishing a POT...


 

Vehicle Aerodynamic Stability Analysis under High Crosswinds

Aleksander Grm* – Milan Batista

In a strong crosswind, wind direction change may result in vehicle stability loss. This paper presents a numerical study of vehicle aerodynamic stability in a...


 

Modelling and Control of a Fixed Calliper-Based Electronic Wedge Brake

Fauzi Ahmad* – Khisbullah Hudha – Saiful Amri Mazlan – Hishamuddin Jamaluddin – Hairi Zamzuri – Zulkiffli Abd Kadir – Vimal Rau Aparow

This paper presents a new design of an electronic fixed calliper-based wedge brake system. The movement of both sides of the brake piston is activated by a...


 

Efficiency Improvement of Agricultural Winch Machines

Martin Kodrič – Jože Flašker – Stanislav Pehan

In this article the problems with the use of the common winch cart on very steep terrain planted with permanent crops are described, especially with regard to...


 

Dynamic Model and Analysis of Nonlinear Vibration Characteristic of a Curve-Face Gear Drive

Zhiqin Cai – Chao Lin*

To study the nonlinear dynamic characteristics of curve-face gear drive, a generalized nonlinear dynamic model based on Lagrange Bondgraphs was presented. The ...


 

The Development of a Recognition Geometry Algorithm for Hybrid – Subtractive and Additive Manufacturing

David Homar* – Franci Pušavec

In the last decade additive manufacturing of metal components has experienced enormous development. One of the most important achievements in this sector is...


 

Investigation of Mechanical Properties of Horn Powder-Filled Epoxy Composites

Duraisamy Kumar * – Sadayan Rajendra Boopathy – Dharmalingam Sangeetha – Govindarajan Bharathiraja

Recent environmental concerns focus on the development of bio-composites, due to their low cost, and eco-friendly and bio-degradability characteristics. The aim ...


 

Comfort Improvement of a Novel Nonlinear Suspension for a Seat System Based on Field Measurements

Leilei Zhao – Changcheng Zhou* – Yuewei Yu

This paper describes improved ride comfort of a novel nonlinear suspension for seat system based on field measurements. For the novel nonlinear suspension...


 

MHD Boundary Layer Behaviour over a Moving Surface in a Nanofluid under the Influence of Convective Boundary Conditions

Mohamed Abdel-wahed* – Tarek Emam

The present work provides an analysis of the hydro-magnetic nanofluid boundary layer over a moving surface with variable thickness in the presence of...


 

Work Hardening of Non-Axisymmetric Die-Less Spinning

Zhen Jia – Zhiren Han* – Baoming Liu – Yong Xiao

Non-axisymmetric shell parts are widely used in the fields of aviation, aerospace and automobiles. Because of good flexibility, short production preparation...


 

Inverse Method for Controlling Pure Material Solidification in Spherical Geometry

Mohamed Charifi* – Rabah Zegadi

In this study, we present the control of the solidification process of a phase-changing, pure material described in one-dimensional spherical geometry. We...


 

Effects of Nozzle Inner Surface Roughness on the Performance of Self-Resonating Cavitating Waterjets under Different Ambient Pressures

Deng Li – Yong Kang* – Xiaolong Ding – Xiaochuan Wang – Zhenlong Fang

The self-resonating cavitating waterjet (SRCW) has been widely used for many practical and industrial applications since the first recognition of its strong...


 

Influence of Hydrodynamic Cavitation on Intensification of Laundry Aqueous Detergent Solution Preparation

Tadej Stepišnik Perdih* – Brane Širok – Matevž Dular

Washing machines are one of the most energy and water demanding domestic appliances. Over years, a significant effort of the scientific community has been...


 

Optimal Wavelet Selection for the Size Estimation of Manufacturing Defects of Tapered Roller Bearings with Vibration Measurement using Shannon Entropy Criteria

Krisztián Deák* – Tamás Mankovits – Imre Kocsis

Fault diagnosis of bearings is essential in manufacturing to increase quality. Traditionally, fault diagnosis of tapered roller element bearings is performed...


 

Model Reduction of a Load-Sensing Hydraulic System via Activity Index Analysis

Quanyi Hu* – Hong Zhang – Shujun Tian – Xuxin Qin

A load-sensing hydraulic system is an energy-saving fluid power transmission that supplies “on-demand” flow at a prescribed pressure margin greater than...


 

Modelling Length/Pressure Hysteresis of a Pneumatic Artificial Muscle using a Modified Prandtl-Ishlinskii Model

Yixiang Liu – Xizhe Zang* – Zhenkun Lin – Xinyu Liu – Jie Zhao

Pneumatic artificial muscles have been widely used in various fields owing to their inherent compliance and high power-to-weight ratio. However, the natural...


 

Research of Planetary Gear Fault Diagnosis Based on Multi-Scale Fractal Box Dimension of CEEMD and ELM

Xihui Chen – Gang Cheng* – Hongyu Li – Yong Li

The planetary gear is the most critical part of a drive transmission system, and its faults will affect the reliability of the equipment, and even cause...


 

Robust Fault-Tolerant Control of In-Wheel Driven Bus with Cornering Energy Minimization

András Mihály* – Péter Gáspár – Balázs Németh

The aim of this paper is to design fault-tolerant and energy optimal trajectory tracking control for a four-wheel independently actuated (FWIA) electric bus...


 

Linear and Quadratic Solid-Shell Elements for Quasi-Static and Dynamic Simulations of Thin 3D Structures: Application to a Deep Drawing Process

Peng Wang – Hocine Chalal – Farid Abed-Meraim*

A family of prismatic and hexahedral solid–shell (SHB) elements, with their linear and quadratic versions, is proposed in this work to model thin structures...


 

Improvement of the Lubrication Performance of RBD Palm Stearin as an Alternative Lubricant under Different Sliding Speeds

Nurul Farhanah Azman* – Syahrullail Samion

Vegetable oils have gained global att–ention to be used as an alternative lubricant to reduce the dependency on natural resources of petroleumbased...


 

A New Multi-Body Dynamic Model of a Deep Ocean Mining Vehicle-Pipeline-Ship System and Simulation of Its Integrated Motion

Yu Dai* – Liping Pang – Lisong Chen – Xiang Zhu – Tao Zhang

In this paper, a three-dimensional multi-body dynamic model of a seafloor mining vehicle is developed in the RecurDyn simulation program by integrating the...


 

On the Fatigue of Steel Catenary Risers

Nnamdi Onochie Chibueze, Chinwuba Victor Ossia*, John Umunna Okoli

Steel catenary risers (SCR), though an appropriate and cost effective tool for deepwater development, are fraught with difficult fatigue challenges derived...


 

Isomap and Deep Belief Network-Based Machine Health Combined Assessment Model

Aijun Yin – Juncheng Lu* – Zongxian Dai – Jiang Li – Ouyang Qi

This paper presents a novel combined assessment model (CAM) for machine health assessment, in which 38 original features of the vibration signal were...


 

A Novel Universal Reducer Integrating a Planetary Gear Mechanism with an RCRCR Spatial Mechanism

Cheng Gu– Xinbo Chen*

A novel speed reducer with self-adaptability to variable transmission angles is proposed in this paper, in which a planetary gear mechanism with a difference...


 

Primary Energy Factor of a District Cooling System

Tjaša Duh Čož* – Andrej Kitanovski – Alojz Poredoš

The primary energy efficiency for various energy-related processes can be calculated using the primary energy factor (PEF). In this paper, the PEFs of district ...


 

An Energy-Saving Control Strategy with Load Sensing for Electro-Hydraulic Servo Systems

Wang Weiping* – Wang Bo

The electro-hydraulic servo system (EHSS) usually demonstrates a lower efficiency in comparison to other available actuation methods. Thus, an energy-saving...


 

Robust Visual Touch-Up Calibration Method in Robot Laser Spot Welding Application

Jure Rejc* – Marko Munih

The article is describing the use of visual touch-up calibration method for defining the mathematical transformations used in a shopfloor measurement and...


 

Influence of Shunting Current on the Metallurgical and Mechanical Behaviour of Resistance Spot-welded Joints in AA2219 Joints

Mehdi Jafari Vardanjani* – Alireza Araee – Jacek Senkara – Majid Sohrabian – Roozbeh Zarandooz

The effects of shunting current on metallurgical and mechanical behavior of resistance spot-welded (RSW) joints in AA2219 sheets are analysed experimentally...


 

Comprehensive Energy Resource Management for Essential Reduction of the Total Cost

Liljana Ferbar Tratar*

Comprehensive energy resource management presents a kind of global optimisation, which is much more cost-effective than separate treatment of energy-demand...


 

Dynamic Simulation of Wind Turbine Planetary Gear Systems with Gearbox Body Flexibility

Xiangyang Xu* – Youchuan Tao – Changrong Liao – Shaojiang Dong – Renxiang Chen

Gearbox body flexibility has a great influence on the dynamic response and load sharing among the planetary gears. In this paper, through investigating the...


 

Stiffness and Damping Model of Bolted Joints with Uneven Surface Contact Pressure Distribution

Yongsheng Zhao* – Cheng Yang – Ligang Cai – Weimin Shi – Yi Hong

Bolted connections are widely employed to fix the structural components, in which the bolted joint is one of the weakest parts and can significantly affect...


 

Application of Thermographic Measurements for the Determination of the Impact of Selected Cutting Parameters on the Temperature in the Workpiece During Milling Process

Piotr Zgórniak* – Wojciech Stachurski – Dariusz Ostrowski

In this paper, the impact of selected cutting parameters (both cutting and feed speed) on the temperature generated in the workpiece being machined during ...


 

Local Corner Smoothing Transition Algorithm Based on Double Cubic NURBS for Five-axis Linear Tool Path

Liqiang Zhang* – Kai Zhang – Yecui Yan

A five-axis tool path is often composed of a linear path that has a tangential discontinuity so that the tangential velocity will be abrupt or be equal to...


 

Chip Formation Mechanism Using Finite Element Simulation

Tahsin Tecelli Öpöz* – Xun Chen

Prediction of chip form produced during machining process is an important work when considering workpiece surface creation and possible damage caused by chips...


 

Numerical Simulation of Transient Pressure Control in a Pumped Water Supply System Using an Improved Bypass Pipe

Xiaozhou Li– Manlin Zhu* – Jiancang Xie

The use of a bypass pipe in a pump system is an economical and simple method of preventing water hammer surges to control the extreme transient pressures...


 

A Numerical Analysis of Fluid Flow and Heat Transfer Characteristics of ZnO-Ethylene Glycol Nanofluid in Rectangular Microchannels

Cuneyt Uysal* – Kamil Arslan – Huseyin Kurt

The fluid flow and heat transfer characteristics of ZnO-Ethylene glycol (EG) nanofluid through rectangular microchannels having different aspect ratios (α is...


 

Parameters Influencing the Dynamic Behaviour of the Carrying Structure of a Type H Portal Crane

Rade Vasiljević* – Milomir Gašić – Mile Savković

This paper deals with the problems investigating of parameters that influence the dynamic behaviour of the carrying structure of type H portal cranes with...


 

Multi-objective Optimization of Cloud Manufacturing Service Composition with Cloud-Entropy Enhanced Genetic Algorithm

Yongxiang Li – Xifan Yao* – Jifeng Zhou

To consider the service-matching degree, the composition harmony degree, and the service composition complexity in cloud manufacturing service composition...


 

Design and Evaluation of a Hierarchical Control Algorithm for an Electric Active Stabilizer Bar System

Zhenxing Kong – Dawei Pi* – Xianhui Wang – Hongliang Wang – Shan Chen

This paper describes a novel hierarchical control algorithm for the electric active stabilizer bar (ASB) system, which is applied to a four-wheeled road...


 

Natural Convection of Non-Newtonian Fluids in a Square Cavity with a Localized Heat Source

Afrasiab Raisi

This study investigates the natural convection cooling of a heat source placed on the bottom of a cavity filled with non-Newtonian power-law fluids. The heat...


 

Volume Flow Characterization of PWM-Controlled Fast-Switching Pneumatic Valves

Miha Pipan* – Niko Herakovič

In this paper we present results of an experimental analysis of the dependence of volume flow on pulse width modulation (PWM) control signal through a...


 

Dynamic Characterization of Microcantilevers with a Shock Wave Excitation Method under High Temperature

Dongsheng She* – Yiliu Yang – Zefei Wei – Zhen Yu

Aiming at the dynamic characteristics of silicon microcantilevers under a high-temperature environment, a shock wave excitation method was proposed, and a...


 

Numerical Investigation of the Nanoparticle Volume Fraction Effect on the Flow, Heat Transfer, and Entropy Generation of the Fe3O4 Ferrofluid under a Non-uniform Magnetic Field

Fazel Hosseinzadeh – Faramarz Sarhaddi* – Davod Mohebbi-Kalhori

This paper presents research on the forced flow convective heat transfer of a ferrofluid (water and Fe3O4) in a horizontal two-dimensional channel under the ...


 

Slip Flow of Nanofluids between Parallel Plates Heated with a Constant Heat Flux

Ayşegül Öztürk - Kamil Kahveci*

This study investigates the steady fully developed laminar flow and heat transfer of nanofluids between parallel plates heated with a constant heat flux. The ...


 

Optimization of the Brake Factor for an S-Cam Foundation Brake using RSM

Irfan Sayim – Dan Zhang

The brake factor (BF) scales the vehicle’s braking force; therefore, the vehicle brake performance variation due to the foundation brake can be attributed...


 

The Bond Graph Method for Analysis of the Micro-Motion Characteristics of a Micro Gripper

Chao Lin* – Yi-hang Ren – Jiu-xiang Ji – Li-zhong Cai – Ji-ming Shao

A full-flexure micro gripper with three-stage amplification has been designed. The pseudo-rigid-body (PRB) model of a bridge-type amplification mechanism...


 

Auxetic Cellular Materials - a Review

Nejc Novak* – Matej Vesenjak – Zoran Ren

Auxetic cellular materials are modern materials which have some unique and superior mechanical properties. As a consequence of the structural deformation of...


 

Assessment of the Fatigue Parameters from Random Vibration Testing: Application to a Rivet Joint

Martin Česnik – Janko Slavič – Miha Boltežar*

In order to estimate a structure’s fatigue life when excited with an acceleration profile the fatigue parameters must be known. However, material’s...


 

Modelling the Belt – Envelope Interactions during the Postal Mail Conveying by a Sorting Machine

Lionel Manin* – Stefan Braun – Damien Hugues

The purpose of this study is to predict the trajectory of an envelope when conveyed between two flat belts in a mail sorting machine. Each of the two sides of...


 

Evaluation of Substructure Reduction Techniques with Fixed and Free Interfaces

Fabian M. Gruber* – Daniel J. Rixen

Substructure reduction techniques are efficient methods to reduce the size of large models used to analyze the dynamical behavior of complex structures. The...


 

Nonlinear MDOF system Survival Probability Determination Subject to Evolutionary Stochastic Excitation

Ioannis P. Mitseas* – Ioannis A. Kougioumtzoglou – Pol D. Spanos – Michael Beer

An approximate technique for assessing the reliability of nonlinear multi-degree-of-freedom (MDOF) systems subject to a non-stationary stochastic excitation...


 

Optimization of the Vibro-Impact Capsule System

Yang Liu* – Sheikh Islam – Ekaterina Pavlovskaia – Marian Wiercigroch

Optimization of the vibro-impact capsule system for the best progression is considered in this paper focusing on the choice of the excitation parameters and...


 

Measurement Precision and Spatial Resolution with Kriging Digital Image Correlation

Dezhi Wang – John E. Mottershead*

The performance of a new global digital image correlation (DIC) approach known as Kriging DIC is assessed by comparison with the classical subset-based DIC...


 

Elastic Metamaterials Making Use of Chirality: A Review

Xiaoning Liu – Gengkai Hu

Metamaterials are artificially designed composite materials exhibiting unusual physical properties not easily found in nature. In most cases, these properties...


 

Do Organisational Innovations Have Impact on Launching New Products on the Market?

Rolando Koren – Jasna Prester – Borut Buchmeister – Iztok Palčič*

The main purpose of this paper is to define which organisational innovation concepts have the more significant impacts when launching new products on the...


 

Measuring Selected Parameters of Polypropylene Fibre Heat Exchangers

Mária Čarnogurská* – Miroslav Příhoda – Marián Lázár – Natália Jasminská – Róbert Gallik – Michal Kubík

Heat exchangers whose heat exchange surfaces are made of the miniature polypropylene fibres are still under development. In the first phase of researching...


 

Lumped Parameter Modelling of Cavitating Orifice Flow in Hydraulic Systems

Junjie Zhou* – Jibin Hu – Chongbo Jing

Gaseous cavitation is an important issue that introduces negative effects on the performance of hydraulic systems. The lumped parameter modelling approach is...


 

Direct Diode Laser Cladding of Inconel 625/WC Composite Coatings

Damian Janicki* – Małgorzata Musztyfaga-Staszuk

Metal matrix composite coatings, composed of Inconel 625 alloy and tungsten carbide (WC), have been produced by laser cladding using a high power direct diode...


 

Nonlinear Vibrations of a Rotor-Fluid-Foundation System Supported by Rolling Bearings

Almatbek Kydyrbekuly – Leyla Khajiyeva – Alysher Ybraev Gulama-Garyp – Julius Kaplunov

A generalized dynamic model taking into account coupled vibrations of a rotor-fluid-foundation system, linear eccentricity, damping, and rolling bearing...


 

Prediction of Cutting Forces in Ball-End Milling of Multi-Layered Metal Materials

Uroš Župerl* – Franci Čuš – Tomaž Irgolič

This paper outlines the experimental exploration of cutting forces produced during ball-end milling of multi-layered metal materials manufactured by the laser...


 

The Procedure of Solving the Inverse Problem for Determining Surface Heat Transfer Coefficient between Liquefied Nitrogen and Inconel 718 Workpiece in Cryogenic Machining

Matija Hriberšek* – Viktor Šajn – Franci Pušavec – Joel Rech – Janez Kopač

The determination of the cooling effect is important since the phase (liquid and gaseous) has a significant influence on the cooling effect, which indirectly...


 

Study on the Performance and Control of a Piezo-Actuated Nozzle-Flapper Valve with an Isothermal Chamber

Mohammadreza Kamali* – Seyed Ali Jazayeri –Farid Najafi – Kenji Kawashima– Toshiharu Kagawa

A new integrated nozzle-flapper valve equipped with a piezoelectric actuator and an isothermal chamber has been developed and studied in detail. The designed...


 

Using Newton’s Method to Model the Spatial Light Distribution of an LED with Attached Secondary Optics

David Kaljun* – Jože Petrišič – Janez Žerovnik

In the design of optical systems based on light emitting diode (LED) technology, a crucial task is to handle the unstructured data describing the properties...


 

Ductile Behaviour Characterization of Low Carbon Steel: a CDM Approach

K Priya Ajit* – Abhinav Gautam – Prabir Kumar Sarkar

In this paper, the ductile behaviour of two different low carbon steels, C-Mn-440 and interstitial free high strength (IFHS), is presented using a continuum ...


 

Effects of Laser Shock Peening on the Surface Integrity of 18 % Ni Maraging Steel

Luca Petan – José Luis Ocaña – Janez Grum*

Maraging steels represent a special group of steels where ultrahigh strength is achieved with precipitation hardening. Because of their superior mechanical...


 

Adaptive Empirical Mode Decomposition for Bearing Fault Detection

Van Tuan Do* – Le Cuong Nguyen

Many techniques for bearing fault detection have been proposed. Two of the most effective approaches are using envelope analysis and the empirical mode...


 

Modelling and Analysis of the Mechanical Properties of Agave Sisalana Variegata Fibre / Vinyl Ester Composites Using Box-Behnken Design of Response Surface Methodology

Ayyanar Athijayamani* – Raju Ganesamoorthy – Konda Thulasiraman Loganathan – Susaiyappan Sidhardhan

In this paper, the Box-Behnken (BB) experimental design of response surface methodology (RSM) was utilized to study the effect of process parameters on the...


 

Optimization of SAE Formula Rear Wing

Jurij Iljaž – Leopold Škerget – Mitja Štrakl – Jure Marn

The main goal of this work was to prove the superiority of a slat vs. a second rear flap in the SAE formula rear wing design, combined with a 3D curved rear ...


 

Effect of Refrigerant Type and Insulation Thickness on Refrigeration Systems of Land and Sea Vehicles

Ahmet Selim Dalkılıç* – Ali Celen – Alican Çebi – Somchai Wongwises

Vehicles are used in the transportation industry to carry temperature-sensitive goods. In fact, they are designed to bear away perishable cartage at specific...


 

Determination of Coulomb’s Friction Coefficient Directly from Cylinder Compression Tests

Deniz Duran* – Celalettin Karadogan

In this paper, a new method is proposed for the determination of Coulomb’s friction coefficient directly from cylinder compression tests. It is based on...


 

Flow Unsteadiness and Pressure Pulsations in a Nuclear Reactor Coolant Pump

Dan Ni* – Minguan Yang – Bo Gao –Ning Zhang –Zhong Li

Unsteady flow induced by rotor-stator interaction is detrimental to the safe operation of the nuclear reactor coolant pump, so it is essential to clarify flow...


 

Estimating the Strain-Rate-Dependent Parameters of the Cowper-Symonds and Johnson-Cook Material Models using Taguchi Arrays

Andrej Škrlec* – Jernej Klemenc

In order to reduce R&D costs, a product’s behaviour during use is predicted with numerical simulations in the early phases of R&D. If a structure is...


 

Ultra-Precision Machining of a Large Amplitude Sinusoidal Ring Surface Based on a Slow Tool Servo

Shijun Ji – Huijuan Yu – Ji Zhao* – Xiaolong Liu – Mingxu Zhao

A sinusoidal ring surface with a large size, amplitudes in the macro-level, sub-micrometre form accuracy and nanometre surface roughness plays an important...


 

Adaptive Robotic Deburring of Die-Cast Parts with Position and Orientation Measurements Using a 3D Laser-Triangulation Sensor

Hubert Kosler – Urban Pavlovčič* – Matija Jezeršek – Janez Možina

A system for adaptive robotic deburring with a correction of the errors in workpiece positioning is presented. The correction is based on 3D measurements of...


 

Influence of Non-Productive Operations on Product Quality

Peter Eniko – Mirko Soković – Davorin Kramar

This paper addresses the study of piston bore machining. Within the framework of an experimental investigation single and combined effects and related...


 

Nonlinear Response of Cantilever Beams Due to Large Geometric Deformations: Experimental Validation

Claudia Aide Gonzalez-Cruz* – Juan Carlos Jauregui-Correa – Gilberto Herrera-Ruíz

Many structural elements, such as gas turbine fans, wind turbine blades, springboards among others are designed as slender elements. Since their dynamic...


 

Mineral Wool Primary Layer Formation in Collecting Chamber

Benjamin Bizjan* – Marko Peternelj – Branko Širok

The process of the mineral wool primary layer formation was investigated experimentally on a model spinning machine with sucrose as a working medium. The...


 

Analysis of the Effect of Process Parameters on Part Wall Thickness Variation in Conventional Metal Spinning of Cr-Mn Austenitic Stainless Steels

Peter Šugár – Jana Šugárová – Ján Petrovič

Metal spinning is one of a number of flexible sheet forming processes which is a cost effective option for the production of parts with a very high strength...


 

Design of Lyapunov Based Nonlinear Position Control of Electrohydraulic Servo Systems

Edvard Detiček* – Mitja Kastrevc

This paper studies the nonlinear closed loop control of an electrohydraulic servo system. The control strategy is developed based on Lyapunov theory of ...


 

Experimental Study Regarding the Cavitation and Corrosion Resistance of Stellite 6 and Self-Fluxing Remelted Coatings

Costel-Relu Ciubotariu* – Evelina Secosan – Gabriela Marginean – Doina Frunzaverde – Viorel Campian

This paper aims to compare cobalt-based (type Stellite 6) and nickel-based self-fluxing alloys (type NiCrBSiMo) regarding both their cavitation erosion ...


 

Pulse-Echo Ultrasonic Testing of Adhesively Bonded Joints in Glass Façades

Bor Mojškerc – Tomaž Kek – Janez Grum*

This article presents a pulse-echo ultrasonic method of evaluation of adhesively bonded joints in glass façades by means of the amplitudes of reflected...


 

WEDM Manufacturing Method for Noncircular Gears, Using CAD/CAM Software

César García-Hernández* – Rafael-María Gella-Marín – José-Luis Huertas-Talón – Nikolaos Efkolidis – Panagiotis Kyratsis

Noncircular gears are used in several technological applications in order to enhance the performance of different mechanical instruments (flow meters, bikes, ...


 

Design and Analysis of Double-side Meshing and Dual-phase Driving Timing Silent Chain System

Yabing Cheng* – Shuaibing Yin – Xiaopeng Wang – Lichi An – Huan Liu

Based on the structure of automotive engines and the layout of their timing system, the timing silent chain system including the overall layout, the structure...


 

Analysis of the Influence of Pavement Irregularities on the Lifespan of a Vehicle’s Drive-Wheel Half Shaft

Sreten Simović* – Vladimir Popović – Milanko Damjanović

As a complex technical system, a vehicle requires a full analysis of its dynamic behaviour. A vehicle is the research subject requiring a detailed analysis of...


 

Investigation of Non-Newtonian Fluid Effects during Transient Flows in a Pipeline

Ali Majd – Ahmad Ahmadi* – Alireza Keramat

A sudden change in the flow rate brings about significant pressure oscillations in the piping system, known as water hammer (fluid hammer). Unsteady flow of a...


 

Taking in Account Measuring Errors of Volume Conversion Devices in Measuring of the Volume of Natural Gas

Franc Cimerman* – Matej Jarm – Branko Širok – Bogdan Blagojevič

In order to measure standard volumes of natural gas we use volume-conversion devices (VCDs) or correctors. The European standard EN 12405-1 specifies the...


 

An Improved Quasi-Dynamic Analytical Method to Predict Skidding in Roller Bearings under Conditions of Extremely Light Loads and Whirling

Junning Li* – Wei Chen – Libo Zhang – Taofeng Wang

Slip often occurs in high-speed and light-load roller bearings (HSLLRBs) when the frictional drive force is inadequate to overcome the drag forces between the...


 

Manufacturing and Properties of a Magnesium Interpenetrating Phase Composite

Matej Steinacher* – Borut Žužek – Darja Jenko – Primož Mrvar – Franc Zupanič

The manufacturing and properties of the AE44 magnesium alloy reinforced with SiC−Al2O3−SiO2 ceramic foam were studied. The interpenetrating phase ...


 

A Review of the Extrapolation Method in Load Spectrum Compiling

Jixin Wang* – Hongbin Chen – Yan Li – Yuqian Wu – Yingshuang Zhang

Load spectrum is the basis of fatigue analysis and life prediction in engineering, and load extrapolation is an essential procedure in determining a long-term...


 

An Algorithm of Form Deviation Calculation in Coordinate Measurements of Free-Form Surfaces of Products

Marek Magdziak

The article presents the new method of form deviation calculation in the case of coordinate measurements of free-form surfaces of workpieces. The proposed...


 

The Influence of Extrusion Ratio on Contact Stresses and Die Elastic Deformations in the Case of Cold Backward Extrusion

Tomaž Pepelnjak* – Mladomir Milutinović – Miroslav Plančak – Dragiša Vilotić – Saša Randjelović – Dejan Movrin

In this paper, the distribution of contact stresses along the die-workpiece interface as well as elastic deformation behavior of the die in the cold backward...


 

Using Sandwich Composite Shells for Fully Pressurized Tanks on Liquefied Petroleum Gas Carriers

Veysel Alankaya* – Fuat Alarçin

The growth of shipping as the main link of the seaborne gas supply chain results from the growing demand for liquefied petroleum gasses due to their various...


 

Investigation of Rotor-Stator Interaction and Flow Unsteadiness in a Low Specific Speed Centrifugal Pump

Ning Zhang* – Minguan Yang – Bo Gao – Zhong Li – Dan Ni

Instantaneous flow dynamics induced by rotor-stator interaction are detrimental to the stable operation of centrifugal pumps. In this study, unsteady ...


 

Analysis of the Accuracy of Reconstructed Two Teeth Models Manufactured Using the 3DP and FDM Technologies

Grzegorz Budzik – Jan Burek – Anna Bazan – Paweł Turek

This paper presents results of the research focused on the accuracy of the manufacturing process of biomedical models, specifically tooth models. A...


 

Correcting the Periodic Optical Distortion for Particle-Tracking Velocimetry in Corrugated-Plate Heat Exchangers

Jaka Pribošek* – Miha Bobič – Iztok Golobič – Janez Diaci

To improve current methods for the experimental validation of numerical simulations in corrugated-plate heat exchangers (CPHEs), a full-field quantitative...


 

Artificial Neural Networks to Estimate the Thermal Properties of an Experimental Micro-Alloyed Steel and Their Application to the Welding Thermal Analysis

Edgar López-Martínez* – Héctor Javier Vergara-Hernández – Sergio Serna – Bernardo Campillo

The effect of welding thermal cycles on the microstructure and micro-hardness of the heat-affected zone (HAZ) of an experimental microalloyed steel was studied. ...


 

Analysis of Flow Field and Pumping Performance for a Valveless Piezoelectric Pump with a Hemisphere-segment Group

Caiqi Hu – Jing Ji* – Xiaoqi Hu – Jude Liu – Shengduo Li

The pumping and mixing performance of a valveless piezoelectric pump were proposed and studied. A hemisphere-segment group that was fixed in the pump played...


 

Natural Frequency Changes due to Severe Corrosion in Metallic Structures

Gilbert-Rainer Gillich* – Zeno Iosif Praisach – Vasile Iancu – Horia Furdui – Ionica Negru

Degradation of engineering structures due to corrosion affects their safety by reducing the cross-section of structural components and altering the...


 

Prediction of Laser Cut Quality for Tungsten Alloy Using the Neural Network Method

Simon Klancnik – Derzija Begic-Hajdarevic* – Matej Paulic – Mirko Ficko – Ahmet Cekic – Maida Cohodar Husic

The cut quality is of great importance during the laser cutting process. The quality of laser cut mainly depends on an appropriate selection of process ...


 

Evaluation of the Coulomb Friction Coefficient in DC05 Sheet Metal Forming

Gillo Giuliano*

This paper describes the identification of the Coulomb friction coefficient for sheet metal forming using a comparison between numerical and experimental...


 

Automatic Recognition of Machinery Noise in the Working Environment

Primož Lipar* – Mirko Čudina – Peter Šteblaj – Jurij Prezelj

A necessity for the suitable recognition of different machinery and equipment based on the sound they generate is constantly present and will increase in the...


 

Laser-Induced Deterioration Grinding of Zirconium Oxide (ZrO2) – Generation of Layer Patterns and Performance Evaluation

Xiaohong Zhang* – Zhaohui Deng – Yinhui Ren – Genyu Chen – Wei Liu – Gaofeng Zhang

Laser-induced deterioration was proposed for the wet grinding of zirconium oxide (ZrO2) ceramic used in the dental, semiconductor and automotive industries. The ...


 

Experimental Study and Analysis of the Dynamic Mechanical Properties of Aluminium Bronze

Jinquan Li* – Hailin Guo – Peipei Zhou

Accurate stress-strain curves of aluminium bronze (QAL9-4) under different temperatures and different strain rates were obtained using a dynamic compression...


 

Numerical Study of the Effect of the Reynolds Numbers on Thermal and Hydrodynamic Parameters of Turbulent Flow Mixed Convection Heat Transfer in an Inclined Tube

Farhad Vahidinia* – Mohadeseh Miri

A numerical investigation of the effect of the Reynolds number on the thermal and hydrodynamic parameters of mixed convection heat transfer of the water-Al2O3 ...


 

A Study of Disorder Shell Effects on the Mechanical Properties of SiC Nanowires

Bin Zheng* – Huiling Du

The mechanical properties of SiC nanowires were investigated using molecular dynamics simulation method. The results show that the disorder shell layer...


 

The Experimental Investigation of Effects of Multiple Parameters on the Formability of the DC01 Sheet Metal

Hakan Gürün* – İbrahim Karaağaç

The formability of sheet metal materials through the deep drawing process is affected by various parameters, such as die chamber pressure, die radius and...


 

Numerical Modelling of Thermal Comfort Conditions in an Indoor Space with Solar Radiation Sources

Igor Bonefacic* – Igor Wolf – Bernard Frankovic

In this paper, a three-dimensional case of heat transfer and air flow is presented for indoor space cooling with a wall-mounted A/C unit during the summer in...


 

The Effects of a Pneumatic-Driven Variable Valve Timing Mechanism on the Performance of an Otto Engine

Fatih Uysal* – Selami Sagiroglu

In this study, the classic cam mechanism of a single cylinder, four-stroke, 6 hp spark-ignited engine was replaced by an electro-pneumatic rocker mechanism,...


 

Numerical Modeling of Dust Lifting from a Complex-Geometry Industrial Stockpile

Lovrenc Novak – Benjamin Bizjan* – Jure Pražnikar – Boris Horvat – Alen Orbanić – Brane Širok

This paper investigates the dust lifting phenomenon at the coal and iron ore stockpile at the Port of Koper, Slovenia. Dust lifting presents a serious...


 

Prediction of the True Stress of ZE20 Magnesium Alloy at Different Temperatures and Strain Rates

Sedat Bingöl* – Wojciech Misiolek

Compression tests were performed to obtain flow stress curves of a newly developed magnesium ZE20 alloy for automobile applications. The experiments were...


 

The Influence of Micro- and Nano-Filler Content on the Mechanical Properties of Epoxy Composites

Iskender Ozsoy – Askin Demirkol* – Abdullah Mimaroglu – Huseyin Unal – Zafer Demir

In this study, the influence of micro- and nano-filler content on the mechanical properties of epoxy composites was studied. The matrix material is epoxy; the...


 

Non-Newtonian Shear-Thinning Fluid Passing Through a Duct with an Obstacle, Using a Power Law Model

Mohammadreza Saffarian – Moona Mohammadi* – Mohammadreza Mohammadi

Non-Newtonian fluids have not been frequently considered in different research although they are common fluid type in the industry and environment in...


 

Simulation of an Excavator Hydraulic System Using Nonlinear Mathematical Models

Paolo Casoli* – Nicola Pompini – Luca Riccò

This paper describes a mathematical modelling methodology developed for the rapid simulation of an excavator hydraulic system. The modelling approach...


 

Grinding Tungsten Carbide Used for Manufacturing Gun Drills

Livia Dana Beju* – Paul Dan Brindasu – Silvia Vulc

This paper presents a study of grinding cemented carbide DK460UF (91 % WC and 9 % Co), a material used to produce cutting tools with solid cutting edges. The...


 

Effect of Dynamic Vents on the Thermal Comfort of a Passenger Car

Om Prakash Singh* – Rohit Raut – Mrinmoy Biswas – Ramji Singh

When a vehicle is parked under the direct sun, heat flux entering the cabin through the roof top becomes higher and thus, sets up high temperature gradients...


 

A Muffler with Adaptive Acoustic Properties

Peter Šteblaj* – Mirko Čudina – Primož Lipar – Jurij Prezelj

An adaptive muffler upgrades the conventional muffler with a variable geometry to extend its working range. Adaptive muffler systems, described in the...


 

Linear and Neural Network-based Models for Short-Term Heat Load Forecasting

Primož Potočnik* – Ervin Strmčnik – Edvard Govekar

Successful operation of a district heating system requires optimal scheduling of heating resources to satisfy heating demands. The optimal operation,...


 

High-Frequency Calibration of Piezoelectric Displacement Sensors Using Elastic Waves Induced by Light Pressure

Jernej Laloš* – Tomaž Požar – Janez Možina

In the study of ultrasound propagation in matter, displacement sensors are indispensable and of these, the most sensitive are piezoelectric sensors. In order...


 

Computerised Design and Simulation of Meshing and Contact of Formate Hypoid Gears Generated with a Duplex Helical Method

Yu Zhang – Hongzhi Yan* – Tao Zeng

The duplex helical method has higher machining efficiency for face-milling spiral bevel and hypoid gears. An accurate and practical approach for calculating...


 

Modelling of an Electrohydraulic Proportional Valve with a Synchronous Motor

Andrzej Milecki, Dominik Rybarczyk

This paper presents the design of proportional valve with a Permanent Magnet Synchronous Motor (PMSM). The proposed valve is described, and its history is...


 

Cohesive Zone Parameters Selection for Mode-I Prediction of Interfacial Delamination

Mohsen Moslemi* – Mohammadreza Khoshravan

In order to determine the normal cohesive strength of composite laminates, a new test methodology was proposed. The values of cohesive zone parameters (the...


 

Influence of the Operating and Geometric Characteristics of a Bottom-hinged Flap Gate on the Discharge Coefficient of a Side Weir

Matej Müller* – Gorazd Novak – Franc Steinman – Gašper Rak – Tom Bajcar

Bottom-hinged flap gates on side weirs are often used for the regulation of flow diversion in case of water abstraction for a variety of needs. In this study,...


 

A New Approach to Spatial Tool Wear Analysis and Monitoring

Luka Čerče* – Franci Pušavec – Janez Kopač

The tool wear of cutting tools has a very strong impact on the product quality as well as on the efficiency of the machining processes. Despite the current high ...


 

Determination of Undissolved Air Content in Oil by Means of a Compression Method

Adam Bureček* – Lumír Hružík – Martin Vašina

This article describes a combination of experimental and mathematical methods for the determination of undissolved air content in hydraulic oil. The...


 

Numerical Investigation of the Effect of Process Parameters during Aluminium Wheel Flow-Forming

So Young Hwang – Naksoo Kim – *Cheol-soo Lee

Aluminium wheel flow-forming is an incremental forming technique that lengthens the material in the axial direction and thins it in the radial direction....


 

Towards Sophisticated Control of Robotic Manipulators: An Experimental Study on a Pseudo-Industrial Arm

Jamshed Iqbal* – Muhammad Imran Ullah – Abdul Attayyab Khan – Muhammad Irfan

Robotic manipulators have reshaped industrial processes. The scientific community has witnessed an ever increasing trend in robots deployed to accomplish...


 

Wear Behaviour and Cutting Performance of Surfaced Inserts for Wood Machining

Regita Bendikiene* – Gintaras Keturakis – Tilmute Pilkaite – Edmundas Pupelis

Machining, in general, and wood machining, in particular, are complex to explain and many factors influence the process. Natural wood is a nonhomogeneous...


 

INS/GPS Navigation System Based on MEMS Technologies

Vlada Sokolović* – Goran Dikić – Goran Marković – Rade Stančić – Nebojsa Lukić

Integrated navigation systems are widely used in all aspects of life, i.e. in various civilian and military applications. In the previous two decades, most of ...


 

Sensitivity-based Multidisciplinary Optimal Design of a Hydrostatic Rotary Table with Particle Swarm Optimization

Qiang Cheng – Chengpeng Zhan – Zhifeng Liu* – Yongsheng Zhao – Peihua Gu

In five-axis machine tools, a rotary table is often used as a means for providing rotational motion and supporting the workpiece. Its rigidity, precision and...


 

Effect of Gusty Wind on Road Tunnel Safety

Aleš Suban* – Stojan Petelin – Peter Vidmar

This article deals with the effect of wind with its characteristics on the longitudinal ventilation of a road tunnel as a key segment of fire safety. Using...


 

Improvement of Electric Discharge Machining (EDM) Performance of Ti-6Al-4V Alloy with Added Graphite Powder to Dielectric

Emre Unses – Can Cogun*

Ti-6Al-4V is a well-known Ti alloy widely used in the aerospace industry and belongs to the group of difficult-to-machine materials. It is less suitable for ...


 

Investigation of Drag and Churning Losses on Tapered Roller Bearings

Jürgen Liebrecht* – Xiaojiang Si – Bernd Sauer – Hubert Schwarze

Today there are a lot of findings to determine losses caused by contact forces inside roller bearings. But there are also losses in bearings caused by...


 

A Model for the Estimation of Brake Interface Temperature

Aleksandar Grkić*–Davorin Mikluc – Slavko Muždeka – Živan Arsenić – Čedomir Duboka

The temperature achieved at the contact surface of the disc and the pad of a friction brake during its operation has a significant impact on brake performance...


 

Proposal for an Experimental-Numerical Method for Friction Description in Sheet Metal Forming

Tomasz Trzepieciński – Hirpa G. Lemu*

During the forming of draw pieces with complex shapes, such as car bodies, it is necessary to use dies with varying outline curvatures and varying radii of...


 

Design of Anti-Roll Bar Systems Based on Hierarchical Control

Balázs Varga – Balázs Németh – Péter Gáspár*

This paper proposes the modelling and control design of active anti-roll bars. The aim is to design and generate active torque on the chassis in order to...


 

Superplastic Forming of a Three-Stage Hemispherical 5083 Aluminium Profile

Muthusamy Balasubramanian – Pasupathy Ganesh – Kalimuthu Ramanathan – Velukkudi Santhanam Senthil Kumar*

Three-stage superplastic blow forming characteristics of 5083 aluminium sheets in a hemispherical die cavity have been studied as a function of forming...


 

Research and Analysis of the Hysteresis Characteristics of a Large Flow Directional Valve

Yaoyao Liao – Hongbing Yuan* – Zisheng Lian – Jiling Feng –Yongchang Guo

The 1000 L/min large flow hydraulic system for the hydraulic support used in a coal mine is currently a topic of great interest. The large flow directional...


 

Conceptual Design and Preliminarily Structural Analysis of Inflatable Basket for an Asteroid Capturing Satellite

Alessandro Ceruti* – Siro Pettenuzzo – Marco Tuveri

This paper presents a conceptual design of a satellite device to be used for capturing asteroids, based on inflatable structures. The mission requirements,...


 

Six-Axis Linkage Strategy and Its Models for Non-Circular Helical Gears Based on Diagonal Hobbing

Youyu Liu* – Jiesheng Diao

Among cutter teeth of the hob when hobbing non-circular helical gears, there are some issues such as uneven load and wear. To solve those problems, a...


 

Numerical Cooking for Pasteurized Soft Boiled Eggs

Marjan Jenko

The industrial preparation of pasteurized soft boiled eggs requires meticulous planning of the thermal process. Requirements on keeping the yolk liquid and on...


 

Three-Dimensional Characterization of Concrete’s Abrasion Resistance Using Laser Profilometry

Dominik Kozjek – Urban Pavlovčič – Andrej Kryžanowski – Jakob Šušteršič – Matija Jezeršek*

This paper presents development of three-dimensional characterization of concrete abrasion using the ASTM C1138 test method, which simulates underwater...


 

Numerical Calculation of Tooth Profile of a Non-circular Curved Face Gear

Chao Lin* – Dong Zeng – Xianglu Zhao – Xijun Cao

Based on the cylindrical coordinates and the space engagement theory, which utilize a cylindrical coordinate system, an arbitrary curve equation was obtained...


 

The Study of Abrasive Water Jet Cutting Front Development using a Two-Dimensional Cellular Automata Model

Marko Jerman* – Joško Valentinčič – Andrej Lebar – Henri Orbanić

In this paper, the cutting front development during abrasive water jet (AWJ) cutting is studied using a two-dimensional cellular automata (CA) model, hence...


 

Handheld Optical System for Skin Topography Measurement Using Fourier Transform Profilometry

Jernej Laloš* – Marko Mrak – Urban Pavlovčič – Matija Jezeršek

In medicine and cosmetics a need has arisen for an accurate, fast, simple and broadly applicable three-dimensional skin surface measuring system. A new ...


 

Study of an Annular Two-Phase Thermosyphon Used as an Isothermal Source in Thermometry

Florencio Sánchez-Silva* – Ignacio Carvajal-Mariscal – Ariel E. Moreno-Cordobés – Pedro Quinto Diez – Miguel Toledo Velázquez

The feasibility of using an annular two-phase thermosyphon (TPT) in thermometry was studied experimentally; the main results are presented in this paper. The ...


 

Research on the Position-Pressure Master-Slave Control for a Rolling Shear Hydraulic Servo System

Wang Jun – Sun Binyu* – Huang Qingxue – Li Hongzhou – Han Heyong

The position-pressure master-slave control of hydraulic servo system is a dual closed-loop system, which takes position closed loop as the main control...


 

BEM-Based Algorithm for URANS Simulations of Flow over a Square Cylinder

Janez Lupše* – Leopold Škerget – Jure Ravnik

The boundary element method (BEM) is extended for the discretisation of the incompressible Navier-Stokes equations in the velocity-vorticity form for the...


 

Surface Roughness Control Simulation of Turning Processes

Franci Čuš – Uroš Župerl*

The aim of this paper is to present a surface roughness control in turning with an associated simulation block diagram. The objective of the new model based...


 

Design Method of Dual Phase Hy-Vo Silent Chain Transmission System

Yabing Cheng* – Yang Wang – Lei Li – Shuaibing Yin – Lichi An – Xiaopeng Wang

Based on the theory that the Hy-Vo silent chain meshes with the sprocket, and the related condition that the Hy-Vo silent chain sprocket meshes with a tool,...


 

Mechanical Characteristics of Two Environmentally Friendly Resins Reinforced with Flax Fibers

Dario Croccolo* – Massimiliano De Agostinis – Stefano Fini – Alfredo Liverani – Nicolò Marinelli – Eugenio Nisini – Giorgio Olmi

In this paper, a comparison between the mechanical characteristics of two different natural fiber composites has been carried out. The two composites were...


 

Identification of Out-of-Plane Material Characteristics through Sheet-Metal Blanking

Špela Bolka – Janko Slavič – Miha Boltežar*

The mechanical characteristics of sheet metals are typically identified in the in-plane direction, although the sheet-metal forming processes (e.g., blanking,...


 

Integrated Electro-Hydraulic Machine with Self-Cooling Possibilities for Non-Road Mobile Machinery

Pavel Ponomarev – Tatiana Minav – Rafael Åman – Lauri Luostarinen

Over the past few years, due to the introduction of Tier 4 emission legislations, new developments for non-road mobile machinery (NRMM) applications to meet...


 

Study of an Energy Regeneration System with Accumulator for Hydraulic Impulse Testing Equipment

Zaipeng Man* – Fan Ding – Chuan Ding – Shuo Liu

To guarantee the reliability and performance of hydraulic systems, it is of vital importance to do hydraulic impulse testing for hydraulic components....


 

Adaptive Fuzzy-PI Control for Active Front Steering System of Armoured Vehicles: Outer Loop Control Design for Firing On The Move System

Zulkiffli Abd Kadir* – Saiful Amri Mazlan – Hairi Zamzuri – Khisbullah Hudha – Noor Hafizah Amer

An armoured vehicle tends to lose its dynamic mobility when firing on the move. This is due to the effect of the firing force that reacts at the centre of the...


 

Selection of Optimum Process Parameters in High Speed CNC End-Milling of Composite Materials Using Meta Heuristic Techniques – a Comparative Study

Vikas Pare – Geeta Agnihotri – Chimata Krishna*

The machining of aluminium metal matrix composites in CNC high speed conditions is significant because such composites have diverse applications in the ...


 

Deterministic Mathematical Modelling of Platform Performance Degradation in Cyclic Operation Regimes

Nenad Kapor – Momcilo Milinovic – Olivera Jeremic – Dalibor Petrovic

This paper considers the modelling of extreme-capability working platforms that are operated in periodic cycles, each cycle having a predefined number of...


 

Investigations on the Effects of Different Tool Edge Geometries in the Finite Element Simulation of Machining

Lei Wan – Dazhong Wang* –Yayun Gao

This work focuses on the effects of cutting edge geometries on dead metal zone formation, as well as stress and temperature distributions in orthogonal...


 

The Effect of Billet Wall Thickness on the Rotary Compression Process for Hollow Parts

Janusz Tomczak* – Tomasz Bulzak – Zbigniew Pater

This paper presents the numerical and experimental results of investigating the effect of geometrical parameters of tubular specimens on the rotary...


 

The Mechanical Properties of Moulded and Thermoformed Denture Resins

Sebastian Baloš – Mladomir Milutinović – Michal Potran – Jelena Vuletić – Tatjana Puškar – Tomaž Pepelnjak*

This study describes in detail the mechanical properties of polymethylmethacrylate (PMMA) denture base resins with regard to fabrication procedures, moulding ...


 

Effect of Initial Residual Stress and Machining-Induced Residual Stress on the Deformation of Aluminium Alloy Plate

Xiaoming Huang – Jie Sun* – Jianfeng Li

During the machining of aerospace thin-walled components, a large amount material is removed, and machining-induced residual stress is induced in the boundary...


 

Failure Prediction of Cross-Ply Laminated Double-Serial Mechanically Fastened Composites using Fuzzy Expert System

Serkan Balli* – Faruk Sen

The scope of this study is to create a model that predicts failure loads for mechanically fastened composite plates using a fuzzy expert system. The composite...


 

Modelling and Analysis of Step Response Test for Hydraulic Automatic Gauge Control

Yi Jiangang*

The step response for hydraulic automatic gauge control (HAGC) determines the steel rolling speed and the steel sheet thickness in the process of rolling...


 

Estimation of Transient Temperature Distribution during Quenching, via a Parabolic Model

Diego E. Lozano* – Gabriela Martinez-Cazares – Rafael D. Mercado-Solis – Rafael Colás – George E. Totten

A material-independent model to estimate the transient temperature distribution in a test probe quenched by immersion is presented in this study. This model is ...


 

Study of Stability of Precise Tiled-grating Device

Liao Yunfei – Zhou Yi* – Liu Youhai – Zuo Dong – Tan Bo

To satisfy the high-stability requirement of a tiled grating, we have analyzed and optimized the stability of a newly designed precise tiledgrating device...


 

Statistical Evaluation of the Corrosive Wear of Fuel Injector Elements Used in Common Rail Systems

Karol Franciszek Abramek – Tomasz Stoeck* – Tomasz Osipowicz

This paper presents the causes and consequences of corrosion that has a destructive impact on the technical condition and operational reliability of Common...


 

Mechanical Failure Mode Causes of In-Wheel Motors

Matej Biček* – Gorazd Gotovac – Damijan Miljavec – Samo Zupan

The presented survey includes a comprehensive overview of mechanical failure mode causes for direct driven electric in-wheel motors. As electric vehicles...


 

Crack Fault Detection for a Gearbox Using Discrete Wavelet Transform and an Adaptive Resonance Theory Neural Network

Zhuang Li* – Zhiyong Ma – Yibing Liu – Wei Teng – Rui Jiang

In this paper, a new approach using discrete wavelet transform and an adaptive resonance theory neural network for crack fault detection of a gearbox is...


 

Analysis of Energy Efficiency of a Test Rig for Air Springs

Ivan Okorn* – Marko Nagode

During dynamic testing of vehicle air springs, work is required for loading the springs. This work is partially returned by the spring to the driving system...


 

The Effect of Dynamic Local Self-Preheating in Laser Cladding on Grey Cast Iron

Peng Yi* – Pengyun Xu – Changfeng Fan – Chengkai Li – Yongjun Shi

In laser cladding, high cooling rates are accompanied by superior mechanical and metallurgical properties. However, these characteristics, along with the...


 

Configuring A Mini-Laboratory and Desktop 3-Axis Parallel Kinematic Milling Machine

Sasa Zivanovic* – Milos Glavonjic – Dragan Milutinovic

Configuring new machine tools is a complex task that involves the use of a large range of conceptions, methods, models, virtual prototypes and simulations....


 

Applying Thermomechanical Analogy to Predict the Arterial Residual Stress State

Janez Urevc* – Milan Brumen – Vojko Flis – Boris Štok

The prediction of the arterial zero-stress state is as of yet an unresolved problem in the field of modelling the mechanical response of patientspecific ...


 

Surface Defect Detection on Optical Devices Based on Microscopic Dark-Field Scattering Imaging

Yingjie Yin – De Xu – Zhengtao Zhang* – Mingran Bai – Feng Zhang – Xian Tao – Xingang Wang

Methods of surface defect detection on optical devices are proposed in this paper. First, a series of microscopic dark-field scattering images were collected...


 

Evaluation of the Influence of Upset Stage on Joint Properties of Friction Welded Dissimilar Aluminum-Copper Cast Alloys

Zafer Barlas* – Murat Çolak

Friction welding was applied to dissimilar aluminum cast bars alloyed with 2 and 8% copper and the effects of upset time on joint properties were evaluated in...


 

Towards the Maintenance Principles of Cyber-Physical Systems

Santiago Ruiz-Arenas – Imre Horváth – Ricardo Mejía-Gutiérrez – Eliab Z. Opiyo

Cyber-physical systems (CPSs) are rapidly proliferating in different applications. Their system features significantly differ from those of linear complex...


 

Trajectory Planning of an End-Effector for Path with Loop

Marek Boryga

This paper presents an algorithm for rectilinear-arc trajectory planning whose path is composed of two rectilinear segments connected with a loop-shaped arc....


 

An Instrument for Measuring the Degree of Lean Implementation in Manufacturing

Natasa Vujica Herzog – Stefano Tonchia

Despite lean thinking being a broadly accepted approach, there is still some confusion within present terminology regarding ‘lean’ and its issues....


 

Hybrid Self-Organization Based Facility Layout Planning

Primož Potočnik* – Tomaž Berlec – Alojz Sluga – Edvard Govekar

A novel hybrid two-stage method of facility layout planning, based on self-organized clustering, is presented. In the first stage, a self-organizing map (SOM)...


 

Managing Vehicle Acceleration Properties by Programming Functions for Engine Torque Control

Ivan Dunđerski

A new vehicle acceleration properties control system has been developed to improve passenger comfort. Nonlinearity of acceleration influences sensitive ...


 

Flow Driven Analysis of a Darrieus Water Turbine

Matjaž Fleisinger* – Matej Vesenjak – Matjaž Hriberšek

The paper discusses the development of transient sliding grid based flow driven simulation procedure for a Darrieus turbine analysis. A new computational...


 

Valve-Induced Water Hammer and Column Separation in a Pipeline Apparatus

Uroš Karadžić* – Vladimir Bulatović – Anton Bergant

A flexible experimental apparatus for investigating water hammer and column separation in an unsteady friction-dominated pipelines has been developed and...


 

Investigating Fatigue Life Effects on the Vibration Properties in Friction Stir Spot Welding Using Experimental and Finite Element Modal Analysis

Nima Jafarzadeh Aghdam* – Soran Hassanifard – Mir Mohammad Ettefagh – Arvin Nanvayesavojblaghi

Frequency response and vibration study of friction-welded specimens with different fatigue life properties is very important. Friction stir spot welding...


 

Investigating Prior Parameter Distributions in the Inverse Modelling of Water Distribution Hydraulic Models

Daniel Kozelj* – Zoran Kapelan – Gorazd Novak – Franci Steinman

Inverse modelling concentrates on estimating water distribution system (WDS) model parameters that are not directly measurable, e.g. pipe roughness...


 

Mechanics and Dynamics of Helical Milling Operations

Changyi Liu* – Gui Wang – Matthew S. Dargusch

This paper presents analytical models dealing with time domain cutting forces and the time and frequency domain dynamics of helical milling operations. The...


 

The Use of Computed Tomography to Analyse Grinding Smudges and Subsurface Defects in Roller Bearing Rings

Andrzej Zbrowski* – Krzysztof Matecki

This article shows that changes occurring on the surface of roller bearings in the form of grinding smudges stem from the subsurface material defects of these...


 

Experimental Model-Based Linearization of a S.I. Engine Gas Injector Flow Chart

Emiliano Pipitone* – Stefano Beccari – Marco Cammalleri – Giuseppe Genchi

Experimental tests previously executed by the authors on the simultaneous combustion of gasoline and gaseous fuel in a spark ignition engine revealed the ...


 

Three-Dimensional Foot Scanning System with a Rotational Laser-Based Measuring Head

Boštjan Novak – Aleš Babnik – Janez Možina – Matija Jezeršek*

Three-dimensional (3D) measurements of the feet is crucial for the correct design and selection of shoes. Badly-fitting shoes are one of the major causes of...


 

Optimization of Machining Performance in High-Pressure Assisted Turning of Ti6Al4V Alloy

Oğuz Çolak*

In this study, a genetic algorithm has been employed to determine optimum cutting parameters in the turning of Ti6Al4V alloy under conventional and high...


 

Design and Research for the Water Low-pressure Large-flow Pilot-operated Solenoid Valve

Liu Lei – Zhang Desheng – Zhao Jiyun*

The basic requirements of the valve-control coupling for control valves are quick response, high flow capacity, and anti-blocking ability. In this article, a...


 

Optimization of Intervening Variables in MicroEDM of SS 316L using a Genetic Algorithm and Response-Surface Methodology

Periyakgounder Suresh* – Rajamanickam Venkatesan – Tamilperruvalathan Sekar – Natarajan Elango – Varatharajan Sathiyamoorthy

This research paper attempts to investigate the optimum values of the major intervening parameters in micro-Electric Discharge Machining (microEDM) of...


 

A Computational Model for Bending Fatigue Analyses of Sintered Gears

Srečko Glodež* – Marko Šori – Tomaž Verlak

A computational model for determination of the fatigue life of sintered gears in regard to bending fatigue in a gear tooth root is presented. The proposed model ...


 

Wind Turbine Seismic Load Analysis Based on Numerical Calculation

Xin Jin* – Hua Liu – Wenbin Ju

Large-scale wind turbines have come into common use in Europe. Because violent earthquakes are relatively rare there, insufficient consideration has been...


 

Design of a Prototype System Operant in Lunar Environment

Rita Ambu* – Andrea Manuello Bertetto – Costantino Falchi

In this paper, the design of a prototype system developed for a rover intended for the removal and transport of rocks on lunar soil is reported. The part of the ...


 

Description and Analysis of Adsorption Heat Storage Device

Uroš Stritih* – Andrej Bombač

In this study, the main goal was to develop an adsorption heat storage system for domestic heating system gained by solar collectors and to indicate a new way ...


 

A Method for Gas Identification in Thermal Dispersion Mass Flow Meters

Klemen Rupnik* – Jože Kutin – Ivan Bajsić

A novel measurement method for identifying the type of gas in a thermal dispersion mass flow meter is presented. The physical background of the ...


 

Study on the Correction of S-N Distribution in the Welding Fatigue Analysis Method Based on the Battelle Equivalent Structural Stress by Rough Set Theory

Yibo Sun – Xinhua Yang*

In welding techniques, failure is a key problem that is related to the stability and safety of the welded structure. In the commonly used welding fatigue...


 

An Enhanced Control Technique for the Elimination of Residual Vibrations in Flexible-Joint Manipulators

Caglar Conker* – Ali Kilic – Selcuk Mistikoglu – Sadettin Kapucu – Hakan Yavuz

One method used to reduce or eliminate residual vibrations is to modify the input signal by using previously determined system parameters. In order to...


 

Dynamic Simulation of Variable-Speed Valve-Controlled-Motor Drive System with a Power-Assisted Device

Ming Xu*– Jing Ni – Guojin Chen

The variable-speed electrohydraulic drive has been applied in hydraulic machines having power matching means. However, further development has been restricted...


 

Numerical Investigations of Quenching Cooling Processes for Different Cast Aluminum Parts

Rok Kopun* – Leopold Škerget – Matjaž Hriberšek – Dongsheng Zhang – Wilfried Edelbauer

This paper discusses a recently improved computational fluid dynamics (CFD) methodology for virtual experimental investigation of the heat treatment for cast ...


 

Position-Parameter Selection Criterion for a Helix-Curve Meshing-Wheel Mechanism Based on Sliding Rates

Jiang Ding – Yangzhi Chen* – Yueling Lv – Changhui Song

The space curve meshing wheel (SCMW) is an innovative gear mechanism mediating transmission between space curves instead of classic space surfaces; the most...


 

High-Cycle Fatigue Behavior of Austenitic Steel and Pure Copper under Uniaxial, Proportional and Non-Proportional Loading

Łukasz Pejkowski* – Dariusz Skibicki – Janusz Sempruch

Austenitic steel EN: X2CrNiMo17-12-2 (ASTM: 316L) and copper Cu-ETP (DIN: E-Cu58, EN: CW004A, ASTM: C11000) were subjected to tension-compression, torsion and ...


 

The Snaking Stability of Passenger Cars with Light Cargo Trailers

Gašper Šušteršič – Ivan Prebil – Miha Ambrož*

This paper presents research conducted to determine whether the detailed multibody system (MBS) model presented in the paper is applicable to modelling the...


 

Design and Optimization of PSD Housing Using a MIGA-NLPQL Hybrid Strategy Based on a Surrogate Model

Feng Li – Yumo Qin – Zhao Pang – Lei Tian – Xiaohua Zeng*

A new power-split device (PSD) is designed as the core component of the multi-power coupling system in a hybrid electric vehicle. It is important to consider...


 

Manufacturing Cycle Time Analysis and Scheduling to Optimize Its Duration

Jelena R. Jovanovic* – Dragan D. Milanovic – Radisav D. Djukic

This paper reports the results of investigations on manufacturing cycle times for special-purpose products. The company performs serial production...


 

Evaluation of the Young’s Modulus of Rubber-Like Materials Bonded to Rigid Surfaces with Respect to Poisson’s Ratio

David Koblar* – Jan Škofic – Miha Boltežar

Axially loaded rubber blocks with a circular cross-section, whose ends are bonded to rigid plates, were studied. The frequency-response functions were obtained ...


 

Modeling Thermal Oxidation of Coal Mine Methane in a Non-Catalytic Reverse-Flow Reactor

Xiaoni Qi – Yongqi Liu* – Hongqin Xu – Zeyan Liu – Ruixiang Liu

Inspired by detailed designs of industrial porous burners, the combustion of methane–air mixtures in a non-catalytic reverse-flow reactor was studied...


 

Flow Image Velocimetry Method Based on Advection-Diffusion Equation

Benjamin Bizjan* – Alen Orbanić – Brane Širok – Tom Bajcar – Lovrenc Novak – Boštjan Kovač

This paper presents a non-contact method for velocity field calculation from a series of fluid flow images with illuminated planar layer of the flow and a...


 

Dynamic Modeling and Simulation of a Rotating Single Link Flexible Robotic Manipulator Subject to Quick Stops

Mihai Dupac* – Siamak Noroozi

Single link robotic manipulators are extensively used in industry and research operations. The main design requirement of such manipulators is to minimize link ...


 

Stored Energy Predictions from Dislocation-Based Hardening Models and Hardness Measurements for Tensile-Deformed Commercial Purity Copper

Matjaž Čebron* – Franc Kosel

Stored energy analyses by differential scanning calorimetry (DSC) and indentation hardness measurement were performed on crosssectional samples cut from the ...




 

Comparison of Vertical and Inclined Toothbrush Filaments: Impact on Shear Force and Penetration Depth

Frank Goldschmidtboeing* – Alexander Doll – Ulrich Stoerkel – Sebastian Neiss – Peter Woiase

This paper presents a semi-analytical model to describe the action of vertical and 16°-inclined toothbrush filaments onto flat tooth surfaces and into...


 

RBF Neural Network Based Sliding Mode Control of a Lower Limb Exoskeleton Suit

Shengli Song* – Xinglong Zhang – Zhitao Tan

A new force tracking control algorithm of partial actuated lower limb exoskeleton suit, which is designed for enhancing human motion is presented in this...


 

A Simple Method for Evaluating the Sustainable Design of Energy Efficient Family Houses

Miha Praznik* – Vincenc Butala – Martina Zbašnik-Senegačnik

Buildings have negative effects on the environment throughout their life cycle, i.e. from the phase of obtaining raw materials and manufacturing materials and...


 

Analysis of the Influence of Contaminants on the Biodegradability Characteristics and Ageing of Biodegradable Hydraulic Fluids

Yesid Asaff – Victor J. De Negri* – Heinrich Theissen – Hubertus Murrenhoff

Ongoing concerns regarding environmental protection encourage further research aimed at the development of environmentally-friendly products. Certain research...


 

Evaluating the Statistical Significance of a Fatigue-Life Reduction Due to Macro-Porosity

Ana Bižal* – Jernej Klemenc – Matija Fajdiga

This study focuses on an evaluation of the significance of the fatigue-life reduction due to macro-porosity present in pressure-die-casted aluminium specimens...


 

Optimization of the Energy Efficiency of a Piston Compressed Air Engine

Qihui Yu – Maolin Cai – Yan Shi* – Zichuan Fan

To improve the energy efficiency and output power of the piston compressed air engine (CAE), a mathematical model of its working process was set up. With the...


 

Structure Formation of Hypereutectic Al-Si-Alloys Produced by Laser Surface Treatment

Sergey Nikolaevich Grigoriev – Tatyana Vasilievna Tarasova* – Galina Olegovna Gvozdeva – Steffen Nowotny

Using a coaxial laser cladding process AlSix (X=30, 40, 60) clad tracks were produced. The mechanisms of structure formation in Al-Si alloys during laser...


 

The Trends in Usage and Barriers of Innovation Management Techniques in New Product Development

Marjan Leber – Majda Bastič – Borut Buchmeister*

This paper reports the results of a survey on the use of innovation management techniques (IMTs) with the potential to improve effectiveness of new product ...




 

Influence of Plying Strategies and Trigger Type on Crashworthiness Properties of Carbon Fiber Laminates Cured through Autoclave Processing

Enrico Troiani* – Lorenzo Donati – Gianluca Molinari – Raffaella Di Sante

A small-scale experimental test able to characterize the energy absorption of a material under compression was developed by innovatively introducing ...


 

Finite Element Formulations Applied to Outer Ear Modeling

Gaia Volandri* – Costantino Carmignani – Francesca Di Puccio – Paola Forte

The work described in this paper is part of a broader research activity on the development of a virtual ear. The present study focuses on the tympanic...


 

Reflection and Transmission Coefficients from Rectangular Notches in Pipes

Darryl K. Stoyko* – Neil Popplewell – Arvind H. Shah

The use of a single, non-dispersive ultrasonic guided wave mode is one important approach to monitoring a structure’s health. It is advantageously...


 

Vibrational Fatigue and Structural Dynamics for Harmonic and Random Loads

Martin Česnik – Janko Slavič*

The presented study experimentally and theoretically researches vibrational fatigue of an aluminum-alloy specimen for harmonic and random loads. The main aim...


 

Parameter Identification of Multistorey Frame Structure from Uncertain Dynamic Data

Snehashish Chakraverty* – Diptiranjan Behera

This paper investigates the identification procedure of the column stiffness of multistorey frame structures by using the prior (known) uncertain parameters...


 

Review and Upgrade of a Bulk Flow Model for the Analysis of Honeycomb Gas Seals Based on New High Pressure Experimental Data

Diego Saba* – Paola Forte – Giuseppe Vannini

The design of the gas seals used in centrifugal compressors and axial turbines requires to consider not only their aptitude to reduce leakage, but also their ...


 

Feasibility of Energy Harvesting Using Stochastic Resonance Caused by Axial Periodic Force

Kimihiko Nakano* – Matthew P. Cartmell – Honggang Hu – Rencheng Zheng

Stochastic resonance is a physical phenomenon where large vibration occurs when a weak sinusoidal force is applied to a bi-stable system. It is expected that...


 

PGD-VTCR: A Reduced Order Model Technique to Solve Medium Frequency Broad Band Problems on Complex Acoustical Systems

Andrea Barbarulo* – Hervé Riou – Louis Kovalevsky – Pierre Ladeveze

The calculation of vibrational responses of complex systems on frequency bands appears to be more and more important in engineering simulation. This is...


 

System Model Modes Developed from Expansion of Uncoupled Component Dynamic Data

Peter Avitabile* – Christopher Nonis – Sergio E. Obando

System models are often developed from component models either as modal components or as reduced order models. The resulting system model data is only available ...


 

Measurement of Wave Attenuation in Buried Plastic Water Distribution Pipes

Fabrício César Lobato de Almeida* – Michael John Brennan – Phillip Frederick Joseph – Simon Dray – Stuart Whitfield - Amarildo Tabone Paschoalini

Leaks in pipes are a common issue encountered in the water industry. Acoustic methods are generally successful in finding and locating leaks in metallic...


 

Improved Integration of Renewable Energy Sources with the Participation of Active Customers

Marko Corn* – Gregor Černe – Igor Papič – Maja Atanasijević-Kunc

European countries are promoting the use of renewable energy sources in order to reduce their dependence on imported energy. Renewable sources of energy are a...


 

Parametric Study of a Permanent-Magnet Stepper Motor’s Stepping Accuracy Potential

Jan Škofic – David Koblar – Miha Boltežar

This paper deals with a large-scale parametric study of geometrical influences on the stepping accuracy of a small, claw-poled, permanentmagnet stepper motor....


 

Experimental Chatter Characterization in Metal Band Sawing

Tilen Thaler* – Primož Potočnik – Janez Kopač – Edvard Govekar

One of the most detrimental instability phenomena in metal band sawing is chatter, i.e. high amplitude vibrations of the tool and/or workpiece. In this paper,...


 

Determination of Fatigue Crack Growth Trajectory and Residual Life under Mixed Modes

Marija Blažić* – Stevan Maksimović – Zlatko Petrović – Ivana Vasović – Dragana Turnić

This paper considers the determination of the crack growth trajectory and residual life for the two-dimensional structural elements under mixed modes. To...


 

Application of Constant Amplitude Dynamic Tests for Life Prediction of Air Springs at Various Control Parameters

Tomaž Bešter* – Matija Fajdiga – Marko Nagode

Air spring manufactures use constant amplitude tests for the quality validation of air springs. The tests are very simple and the only information we get from...


 

Electric or Hydraulic Energy Recovery Systems in a Reach Truck– A Comparison

Tatiana Minav* – Henri Hänninen – Antti Sinkkonen – Lasse Laurila – Juha Pyrhönen

In this paper, electric and hydraulic regeneration methods of recovering potential energy from an electro-hydraulic forklift truck are studied. Two similar...


 

Emission Evaluation of Different Types of Liquefied Wood

Tine Seljak* – Matjaž Kunaver – Tomaž Katrašnik

After initial studies, further research work on the combustion properties of second generation biofuels, obtained through solvolysis in polyhydroxy alcohols is ...


 

Creep-Feed Grinding: An Overview of Kinematics, Parameters and Effects on Process Efficiency

Sergey N. Grigoriev – Victor K. Starkov* – Nikolay A. Gorin – Peter Krajnik – Janez Kopac

Grinding kinematics is one of the main mechanisms affecting the behaviour and efficiency of the creep-feed grinding process; it is thus essential in...


 

Powder-Mixed Electro-Discharge Diamond Surface Grinding Process: Modelling, Comparative Analysis and Multi-Output Optimisation Using Weighted Principal Components Analysis

Manoj Modi - Gopal Agarwal

Powder-mixed electro-discharge diamond surface grinding (PMEDDSG) is an efficient process for shaping hard materials, such as Ti-6Al- 4V. Modelling, comparative...


 

Sea-wave Dynamic Loading of Sailing Yacht`s Retractable Keel

Pino Koc

A highly specialized analysis of functionality of a retractable keel lifting mechanism is presented in the paper. Because of its special design a retractable ...


 

Prediction of Wall Thickness Distribution in Simple Thermoforming Moulds

Ertugrul Selcuk Erdogan – Olcay Eksi

Thermoforming is widely used in manufacturing industries to produce large and labour-intensive products. Compared to other manufacturing techniques,...


 

Tuned-Sinusoidal Method for the Operational Modal Analysis of Small and Light Structures

Domen Rovšček – Janko Slavič – Miha Boltežar

Small and light structures have some distinctive features that intensify the difficulties when measuring their modal parameters. The mass that is added to the ...


 

A Detailed Analysis of the Resonant Frequency and Sensitivity of Flexural Modes of Atomic Force Microscope Cantilevers with a Sidewall Probe Based on a Nonlocal Elasticity Theory

Mohammad Abbasi – Ardeshir Karami Mohammadi

In this paper, utilizing a nonlocal elasticity theory, the resonant frequency and sensitivities of an atomic force microscope (AFM) with an assembled...


 

A Method for Optodynamic Characterization of Erbium Laser Ablation Using Piezoelectric Detection

Georgije Bosiger – Tadej Perhavec – Janez Diaci

The paper presents a new method for characterization of Erbium laser ablation processes widely employed in various medical applications. The method is based on ...


 

Forced Vibration Analysis of Milling Machine’s Hexapod Table under Machining Forces

Siamak Pedrammehr – Mehran Mahboubkhah – Mohammad Reza Chalak Qazani – Arash Rahmani – Sajjad Pakzad

Assuming a sinusoidal machining force, the forced vibration of a machine tools’ hexapod table in different directions is addressed in the present study....


 

The Experimental Analysis of Cavitating Structure Fluctuations and Pressure Pulsations in the Cavitation Station

Ignacijo Biluš – Gorazd Bombek – Marko Hočevar – Branko Širok – Tine Cenčič – Martin Petkovšek

The experimental analysis of unsteady cavitating flow has been performed to compare the static pressure dynamics and cavitation cloud structure dynamics. The...


 

Fatigue Life Analysis of Crane K-Type Welded Joints Based on Non-Linear Cumulative Damage Theory

Fuhai Cai – Xin Wang – Jiquan Liu – Fuling Zhao

There are large numbers of welds on cranes’ lattice booms. Due to notably complicated force conditions, the fatigue life analysis of the lattice boom is...


 

Improvement of Efficiency Prediction for a Kaplan Turbine with Advanced Turbulence Models

Dragica Jošt – Aljaž Škerlavaj – Andrej Lipej

A comparison between numerical simulations and measurements of a six-blade Kaplan turbine is presented in order to determine an appropriate numerical setup for...


 

Supervised Visual System for Recognition of Erythema Migrans, an Early Skin Manifestation of Lyme Borreliosis

Erik Čuk – Matjaž Gams – Matej Možek – Franc Strle – Vera Maraspin Čarman – Jurij F. Tasič

Lyme borreliosis is the most common human tick-borne infectious disease in the northern hemisphere, occurring predominantly in temperate regions of North...


 

Adaptive Pulsed-Laser Welding of Electrical Laminations

David Vegelj – Boštjan Zajec – Peter Gregorčič – Janez Možina

In this contribution we develop and describe a new, adaptive, pulsed-laser welding method for thin electrical laminations. By using a reflective laser sensor...


 

The Mathematical Model of Spiral Bevel Gears - A Review

Jixin Wang – Long Kong – Bangcai Liu – Xinpeng Hu – Xiangjun Yu – Weikang Kong

The spiral bevel gear (SBG) is a key component of the power transmission of intersection axes. Since the mathematical model of the SBG is a basis for stress and...


 

Advanced Modelling of Sheet Metal Forming Considering Anisotropy and Young’s Modulus Evolution

Bojan Starman – Marko Vrh – Mirko Halilovič – Boris Štok

The paper focuses on the modelling of springback within a formed stainless steel sheet. The main subject of this work is the construction of a constitutive...


 

Modelling of Hydraulic Spool-Valves with Specially Designed Metering Edges

Marko Šimic – Mihael Debevec – Niko Herakovič

This paper presents a new approach for modelling and simulation of hydraulic spool valves by using the already known simple mathematical expressions for...


 

Fine-structured Morphology of a Silicon Steel Sheet after Laser Surface Alloying of Sb Powder

Darja Steiner Petrovič – Roman Šturm

An experiment was designed to investigate the feasibility of surface modifying a fully processed, non-oriented, electrical steel sheet with antimony (Sb) using ...


 

Optimization of the Shape of Axi-Symmetric Rubber Bumpers

Tamás Mankovits – Tamás Szabó – Imre Kocsis – István Páczelt

The rubber bumpers built into the air-spring structures of buses perform a number of critical tasks. Consequently, designing their shape requires considerable ...


 

Frictional Conditions of AA5251 Aluminium Alloy Sheets Using Drawbead Simulator Tests and Numerical Methods

Tomasz Trzepieciński – Hirpa G. Lemu

This article presents research results on the effect of sheet metal surface roughness, lubricant conditions and sample orientation on the value of friction...


 

Topology Optimization for Continua Considering Global Displacement Constraint

Jijun Yi – Tao Zeng – Jianhua Rong

This paper presents a topology optimization method for continua that minimizes the volume subject to global displacement constraint. The method uses the p-norm...


 

Optimization of a Product Batch Quantity

Tomaž Berlec – Janez Kušar – Janez Žerovnik – Marko Starbek

Companies encounter various challenges when entering the global market, one of the most significant being the calculation of the optimal batch quantity of a...


 

Corrosion Analysis of Friction Stir-welded AA 7075 Aluminium Alloy

Govindaraj Elatharasan – Velukkudi Santhanam Senthil Kumar

Friction stir-welding of AA7075 has become widely practiced in the fabrication of light-weight structures requiring high strength-to-weight ratios and superior...


 

Surface Integrity Characterization Based on Time-Delay of the Magnetic Barkhausen Noise Voltage Signal

Pavel Žerovnik – Dušan Fefer – Janez Grum

The captured magnetic Barkhausen noise (BN) signal is composed of a series of voltage impulses changes produced by movements of the magnetic domains. In most ...


 

Pitting Fault Detection of a Wind Turbine Gearbox Using Empirical Mode Decomposition

Wei Teng – Feng Wang – Kaili Zhang – Yibing Liu – Xian Ding

The conventional method of detecting a gear fault is to demodulate the vibration signal collected from the gearbox based on the Hilbert transform; however, this...


 

Research on Levitation Coupled with Standing Wave Levitation and Electromagnetic Levitation

XiaoYang Jiao – GuoJun Liu – JianFang Liu – Xinbo Li – XiaoLun Liu – Song Lu

In order to solve the problem caused by metal materials' inability to be cooled without contact with other materials after being heated by electromagnetic...


 

An Experimental and Numerical Investigation of a Grid Composite Cylindrical Shell Subjected to Transverse Loading

Jafar Arashmehr – Gholam Hossein Rahimi – Seyed Fazel Rasouli

This paper presents an experimental and numerical study of a stiffened composite cylindrical shell with clamped-free boundary condition under transverse end...


 

Influence of Different Cooling and Lubrication Techniques on Material Machinability in Machining

Branislav Sredanovic – Gordana Globocki-Lakic – Djordje Cica – Davorin Kramar

In this paper, a novel approach to the definition of universal machinability is presented. The machinability model is based on analysing the vector of the ...


 

Systematic Development of a Device for Bituminous Layer Application

Janez Benedičič – Roman Žavbi – Jožef Duhovnik

A method has been developed that enables a systematic approach to searching for opportunities to design new products by taking account of the relevant business...


 

A New Method For Machinery Fault Diagnoses Based On an Optimal Multiscale Morphological Filter

Wei Tan – Xiaoan Chen – Shaojiang Dong

In order to effectively eliminate the noise and extract the impulse components in the vibration signals, a new method based on an optimal multiscale...


 

Comparison of Alcohol and Fatty Acid Adsorption on Hydrogenated DLC Coatings Studied by AFM and Tribological Tests

Rok Simič – Mitjan Kalin

Adsorption on hydrogenated diamond-like carbon (DLC) coatings with respect to boundary lubrication has been studied only very rarely, even though such...


 

Polypropylene/Clay Nanocomposites Produced by Shear Controlled Orientation in Injection Moulding: Deformation and Fracture Properties

Alejandra Costantino – Valeria Pettarin – Julio Viana – Antonio Pontes – Antonio Pouzada – Patricia Frontini

The effect of distinct morphologies induced by shear controlled orientation in injection moulding (SCORIM) in the mechanical and fracture performance of...


 

An Initial Study of Aerosol Jet® Printed Interconnections on Extrusion-Based 3D-Printed Substrates

Frederik Vogeler – Wesley Verheecke – André Voet – Hans Valkenaers

The combination of different additive manufacturing techniques to produce freeform products with multifunctional properties is gaining increasing popularity. In ...


 

Influence of Rapid Mould Temperature Variation on the Appearance of Injection-Moulded Parts

Giovanni Lucchetta ‒ Marco Fiorotto

In this work, an innovative technology for the rapid heating and cooling of injection moulds has been developed and used to analyse the effect rapid variations...


 

Monitoring of Injection Moulding of Thermoplastics: Adopting Pressure Transducers to Estimate the Solidification History and the Shrinkage of Moulded Parts

Vito Speranza – Umberto Vietri – Roberto Pantani

In this work, a series of injection moulding tests were conducted using a general purpose PolyStyrene, PS, and changing the holding pressure, injection...


 

Methods for Improved Flexural Mechanical Properties of 3D-Plotted PCL-Based Scaffolds for Heart Valve Tissue Engineering

Kim Ragaert – Filip De Somer – Stieven Van de Velde – Joris Degrieck – Ludwig Cardon

While porous poly-ε-caprolactone (PCL) scaffolds can be manufactured through 3D plotting with high regularity and reproducibility, it has been a challenge in...


 

Injection-Moulding Compounding of PP Polymer Nanocomposites

Markus Gottfried Battisti – Walter Friesenbichler

The objective of this study is a comparison of different compounding techniques and their influence on Young’s modulus. Both conventional processing of ...


 

Densification and Geometrical Assessments of Alumina Parts Produced Through Indirect Selective Laser Sintering of Alumina-Polystyrene Composite Powder

Jan Deckers – Jean-Pierre Kruth – Ludwig Cardon – Khuram Shahzad – Jef Vleugels

A powder metallurgy (PM) process to fabricate alumina parts through indirect selective laser sintering (SLS®) of alumina-polystyrene composite powder...


 

The Influence of Processing on the Aesthetic, Morphological and Mechanical Properties of Structural Foam Mouldings of High- Impact Polystyrene

Fantina Rosa Esteves ‒ Tiago Alexandre Carvalho ‒ António Sérgio Pouzada ‒ Carla Isabel Martins

The production of large plastic parts, in small series and at low cost, requires the development of alternative tools and materials. Structural foams (SF) are ...


 

Hardness Effects on Abrasive Flow Machining

Kursad Gov – Omer Eyercioglu – Mehmed Veysel Cakir

Abrasive flow machining (AFM) is a manufacturing technique that uses the flow of a pressurized abrasive media to remove workpiece material. In comparison with...


 

Experimental Investigation on Road Vehicle Active Suspension

Prabu Krishnasamy – Jancirani Jayaraj – Dennie John

This paper presents an investigation report for an electronically controlled pneumatic suspension system. The performance improvement in the passenger’s...


 

Parametric Optimization of the Output Shaft of a Portal Axle using Finite Element Analysis

Jong Boon Ooi – Xin Wang – Ying Pio Lim – ChingSeong Tan – Jee-Hou Ho – Kok-Cheong Wong

A portal axle unit is a gearbox unit installed on a vehicle for higher ground clearance and driving in off-road conditions. Shafts must be exceptionally tough...


 

On-line Oil Monitoring and Diagnosis

José Salgueiro – Gabrijel Peršin – Jože Vižintin – Matic Ivanovič – Boštjan Dolenc

In condition monitoring (CM) of mechanical drives, the analysis of various physical and chemical properties of the operating lubricant can be used to diagnose ...


 

Closed-Loop Handling Stability of 4WS Vehicle with Yaw Rate Control

Hongming Lv – Shaona Liu

To improve the vehicle handling stability, a four-wheel steering (4WS) controller with yaw rate tracking is proposed in this paper. A driver/ vehicle...


 

Integral Characteristics of Hydrogen Production in Alkaline Electrolysers

Mitja Mori – Tilen Mržljak – Boštjan Drobnič – Mihael Sekavčnik

This paper summarises the results of experimental investigations of a commercial alkaline water electrolyser used for hydrogen production to balance...


 

Reducing the Computational Time of the Smoothed Particle Hydrodynamics Method with a Coupled 2-D/3-D Approach

Elvira Džebo – Dušan Žagar – Matjaž Četina – Gregor Petkovšek

Smoothed particle hydrodynamics (SPH) is a particle-based Lagrangian method that can be adapted for simulating free surface flows. The method is particularly...


 

Scheduling for a Single-Terminal Intermodal System Recovery with Poisson Arrivals

Nikola Marković – Paul Schonfeld

This paper studies the recovery of an intermodal freight system from a major disruption and develops a model for optimising vehicle schedules under disrupted...


 

Experimental and Numerical Studies of Jaw Crusher Supporting Structure Fatigue Failure

Eugeniusz Rusiński – Przemysław Moczko – Damian Pietrusiak – Grzegorz Przybyłek

In this paper, studies into the causes of fatigue cracks of a jaw crusher supporting structure are presented. The problems appeared after short time of...


 

Ports Sustainability: A life cycle assessment of Zero Emission Cargo Handling Equipment

Andrija Vujičić – Nenad Zrnić – Boris Jerman

The goal of this paper is to present and evaluate the latest trends in the cargo handling equipment (CHE) industry, aimed at mitigating the environmental impact...


 

Sensitivity Analysis for Identifying the Critical Productivity Factors of Container Terminals

Bo Lu – Nam Kyu Park

With the rapid expansion of international trade, a distinctive feature of the contemporary container terminal industry is that competition has become more...


 

Traffic Modelling and Performance Evaluation in the Kotor Cruise Port

Davorin Kofjač – Maja Škurić – Branislav Dragović – Andrej Škraba

Simulation modelling of traffic in the Kotor cruise port is used for performance evaluation and optimization of the operational policy. During the summer, the...


 

Performance Analysis of a Southern Mediterranean Seaport via Discrete-Event Simulation

Francesco Longo, Aida Huerta, Letizia Nicoletti

Modeling & Simulation (M&S) has proved to be a day-to-day highly indispensable tool for complex systems design, management and monitoring. Therefore,...


 

Modelling of Multi-Mitigation Strategies for Maritime Disruptions in the Wheat Supply Chain

Saut Gurning – Stephen Cahoon – Branislav Dragovic – Hong-Oanh Nguyen

This paper assesses potential mitigation strategies for maritime disruptions occurring during the containerised transport of wheat in wheat supply chains (WSC)....


 

Freight-Forward Agreement Time series Modelling Based on Artificial Neural Network Models

Dimitrios Lyridis – Panayotis Zacharioudakis – Stylianos Iordanis – Sophia Daleziou

Over the last thirty years, there has been an extraordinary growth in the financial derivatives market, in the field of shipping. This can be attributed to the...


 

A Contribution for a Pragmatics-Based Approach to Concurrent Engineering Implementation

Nenad Popovic – Goran D. Putnik – Ondrej Jasko – Jovan Filipovic

The paper investigates how a pragmatics-based approach may influence Concurrent Engineering (CE) implementation projects. Pragmatics, a field of semiotics, is...


 

Optimal Design Based on Dynamic Characteristics and Experimental Implementation of Submersible Electromagnetic Actuators

Baoping Cai – Yonghong Liu – Aibaibu Abulimiti – Renjie Ji – Yanzhen Zhang – Xin Dong – Yuming Zhou

An optimization procedure based on the dynamic characteristics of a submersible electromagnetic actuator constrained in a specific volume has been developed. In...


 

Flow Characteristic of Staggered Multiple Slotted Tubes in the Passage of a Fin Tube Heat Exchanger

Sedat Yayla

The flow characteristics of inline and staggered cylinders placed in a fin tube heat exchanger model are experimentally investigated for Reynolds numbers of...


 

Modification of Conductive Material AA6101 of OPGW Conductors against Lightning Strikes

Sedat Karabay

In this article, failure in lightning tests and the overcoming of its destructive effects by improving the new generation of optical grounding wire (OPGW) are...


 

An Experimental Study of the Tribological Characteristics of Engine and Gear Transmission Oils

Sreten Perić – Bogdan Nedić – Dragan Trifković – Mladen Vuruna

During the past few decades, special attention has been devoted to developing modern instruments and methods of monitoring the tribomechanical characteristics ...


 

Speed-Control of Energy Regulation Based Variable-Speed Electrohydraulic Drive

Ming Xu – Bo Jin – Guojin Chen – Jing Ni

The variable-speed electrohydraulic drive is a promising drive principle due to its high energy efficiency and large speed-range. However, its slow response and...


 

Pure Waterjet Drilling of Articular Bone: An in vitro Feasibility Study

Steven den Dunnen – Gert Kraaij – Christian Biskup – Gino M.M.J. Kerkhoffs – Gabrielle J.M. Tuijthof

The clinical application of waterjet technology for machining tough human tissues, such as articular bone, has advantages, as it produces clean sharp cuts ...


 

Modeling Nonlinear Viscoelastic Nanoindentation of PVAc at Different Unloading Rates

Yilmaz Kucuk

In this study, nanoindentation technique was used to determine the nonlinear viscoelastic behavior of polyvinyl acetate (PVAc) with a glass transition...


 

Analysing Energy and Material Saving Technologies’ Adoption and Adopters

Iztok Palčič – Marc Pons – Andrea Bikfalvi – Josep Llach – Borut Buchmeister

The main objective of this paper is to map the adoption of technologies for energy reduction and resources consumption in production. The aim is also to...


 

Selecting the Most Adaptable Work Equipment

Tomaž Berlec – Janez Kušar – Lidija Rihar – Marko Starbek

Selecting the most suitable work equipment is a key factor in creating the value of products; therefore, the design and selection of work equipment are...


 

Dynamic Reliability Analysis of Mechanical Components Based on Equivalent Strength Degradation Paths

Peng Gao – Shaoze Yan – Liyang Xie – Jianing Wu

Owing to the randomness of load applied to mechanical components, it is difficult to accurately determine the strength degradation path. Therefore, the...


 

Detecting Groan Sources in Drum Brakes of Commercial Vehicles by TVA-FMEA: A Case Study

Sedat Karabay – Kasım Baynal – Cengiz İğdeli

In this article, the strategy followed by an automobile company for detecting the root causes of groan complaints related to rear drum brakes in commercial...


 

Effect of Scratch Velocity on Deformation Features of C-plane Sapphire during Nanoscratching

Pingfa Feng – Chenglong Zhang – Zhijun Wu – Jianfu Zhang

The effects of scratch velocity on plastic and brittle deformation features of (0001) C-plane sapphire were studied in nanoscratch tests. The test was conducted...


 

Study of Vibration Milling for Improving Surface Finish of Difficult-to-Cut Materials

Vytautas Ostasevicius – Rimvydas Gaidys – Rolanas Dauksevicius – Sandra Mikuckyte

This work studies the influence of high-frequency excitation of a cutting tool during end milling of workpieces made of difficult-to-cut metallic alloys. It is...


 

A Theoretical and Numerical Study of an Additional Viscosity Term in a Modified Elasto-Plastic Friction Model for Wet Friction Clutch Simulations

Tomaž Petrun – Jože Flašker – Marko Kegl

This paper deals with a theoretical and numerical study of various viscosity terms in the modified elasto-plastic friction model and their influence on the ...


 

A New Parameter of Statistic Equality of Sampling Lengths in Surface Roughness Measurement

Mite Tomov – Mikolaj Kuzinovski – Piotr Cichosz

This paper presents the procedure for obtaining the primary profile, the waviness profile, and the roughness profile when measuring surface roughness, based on...


 

A Study of Thermal Behaviour during Submerged Arc Welding

Aniruddha Ghosh – Nilkanta Barman – Himadri Chattopadhyay – Sergej Hloch

The present study reports on thermal behavior during submerged arc welding considering an oval shaped heat source. The welding process is represented by the...


 

A Functional Reasoning Cube Model for Conceptual Design of Mechatronic Systems

Jiehui Zou – Qungui Du

In order to improve the conceptual design of mechatronic systems, a refined functional representation aimed at functional reasoning is presented in this paper....


 

Design for Reliability Based Methodology for Automotive Gearbox Load Capacity Identification

Milosav Ognjanovic – Miroslav Milutinovic

Robust and Axiomatic design, a property-based approach in design, is applied and integrated into a new methodology for developing Functional Requirements (FR)...


 

Evaluation of Fluid Flow over Stepped Spillways Using the Finite Volume Method as a Novel Approach

Hamid Reza Vosoughifar – Azam Dolatshah – Seyed Kazem Sadat Shokouhi – Seyed Reza Hashemi Nezhad

This research deals with the development of a Computational Fluid Dynamics (CFD) code called V-Flow using MATLAB for the two-dimensional modelling of unsteady...


 

Analysing Kinematics of a Novel 3CPS Parallel Manipulator Based on Rodrigues Parameters

Gang Cheng – Peng Xu – De-hua Yang – Hui Li – Hou-guang Liu

In order to adjust the poses of the segment mirrors and give the correct surface shape to a large aperture telescope, an active adjusting platform for segment...


 

Microstructural Analysis of Laser Coated Ceramic Components TiB2 and TiC on Aluminium Alloy EN AW-6082-T651

Dunja Ravnikar – Primož Mrvar – Jožef Medved – Janez Grum

This paper deals with the deposition of ceramic powder coating TiB2-TiC mix with aluminium powder on the 6082-T651 aluminium alloy by means of laser coating....


 

Measurement of Involute Profile with Small Clamping Eccentricity in a Gear Measuring Center

Han Lianfu – Tang Wenyan – Wang Jun – Fu Changfeng

This paper studies the influence of small clamping eccentricity on the measurement and evaluation of involute profile, analyzes the cause of clamping eccentric...


 

Experimental Identification of Overall Structural Damping of System

Goran Radoičić – Miomir Jovanović

The dynamic behaviour of large and complex structures largely depends on damping resistance in the structure. A portion of the structural energy is lost to...


 

Exergy Based Performance Analysis of a Shower Cooling Tower

Xiaoni Qi – Yongqi Liu – Zhenyan Liu

The present study provides a descriptive mathematical model of energy and exergy for a shower cooling tower (SCT). The model is used to predict the variation in...


 

A Method for Optimal Blank Shape Determination in Sheet Metal Forming Based on Numerical Simulations

Nikolaj Mole – Gašper Cafuta – Boris Štok

The main benefit of using optimally shaped blanks in sheet metal forming is to maximize the efficiency of the forming process and, since there is no need for...


 

On the Convergence, Stability, and Computational Speed of Numerical Schemes for 0-D IC Engine Cylinder Modelling

Tomaž Katrašnik – Henrik Aleš Schuemie – Johann C. Wurzenberger

The development of real time capable 0-dimensional internal combustion engine models places high demands on convergence, stability, and computational speed of...


 

The Influence of Chip Breaker Geometry on Tool Stresses in Turning

Huseyin Gurbuz, Abdullah Kurt, Ibrahim Ciftci, Ulvi Seker

In this study, the influence of different chip breaker geometries on cutting forces and tool stresses developed during turning was investigated experimentally....


 

The Use of the Cavitation Effect in the Mitigation of CaCO3 Deposits

David Heath – Brane Širok – Marko Hočevar – Boštjan Pečnik

Hard mineral scale fouling results in significant economic losses both industrially and domestically. Recently, attempts have been made to use ultrasound to...


 

Study of a Flowerlike Deployable Structure

Ani Luo – Heping Liu – Cheng Li – Yongfan Wang

A deployable structure is a kind of mechanism that can be folded and deployed automatically. It is able to form required shape or curved surface after...


 

Enhancing Micro-EDM using Ultrasonic Vibration and Approaches for Machining of Nonconducting Ceramics

Andreas Schubert – Henning Zeidler – Matthias Hackert-Oschätzchen – Jörg Schneider – Hahn, Martin

Micro EDM (Electro Discharge Machining) is a known nonconventional process for the machining of hard to cut materials. Due to its ablating nature based on ...


 

Resource Efficient Injection Moulding with Low Environmental Impacts

Gašper Gantar – Andrej Glojek – Mitja Mori – Blaž Nardin – Mihael Sekavčnik

The selection of most appropriate design and technological solutions to produce certain mould should capture technical performance, economical issues as well as...


 

Characterisation and Processing of Reinforced PA 6 with Halloysite Nanotubes (HNT) for Injection Molding

Angel Fernández –Manuel Muniesa – Jaime González

The use of nano-scaled reinforcements enchances the mechanical performance of the resulting material and the addition of natural origin nanotubes improve the ...


 

Final Manufacturing Process of Front Side Metallisation on Silicon Solar Cells Using Conventional and Unconventional Techniques

Leszek Adam Dobrzański – Małgorzata Musztyfaga – Aleksandra Drygała

The paper presents the results of the investigation of the front electrode manufactured using two silver pastes (PV 145 manufactured by Du Pont and another ...


 

Characteristics of Hard Coatings on AZ61 Magnesium Alloys

Tomasz Tański

Gradient/monolithic coatings (Ti/TiCN/CrN, Ti/TiCN/TiAlN, Ti/DLC/DLC) were deposited onto magnesium alloy (Mg-Al-Zn) substrate by Cathodic Arc Evaporation...


 

Numerical Simulation of Cold Forming of α-Titanium Alloy Sheets

Sebastijan Jurendić – Silvia Gaiani

Despite the generally good cold workability of some α-titanium alloys, their relevant mechanical properties are quite different to those of traditional cold...


 

3D Numerical Analysis of 2D Profile Bending with the Torque Superposed Spatial Bending Method

Matej Hudovernik – Daniel Staupendahl – Mohammad Gharbi – Matthias Hermes – A. Erman Tekkaya – Karl Kuzman – Janez Marko Slabe

  Engineering research, in the field of light weight design, is strongly oriented towards the development of new high strength materials and innovative...


 

The Effect of Surface Roughness of End-Mills on Optimal Cutting Performance for High-Speed Machining

Chi-Hsiang Chen – Yung-Cheng Wang – Bean-Yin Lee

In this study, the effect of surface roughness of end-mills on the cutting performance of high-speed machining has been investigated. A novel optimization...


 

Nonlinear Control of a Hybrid Batch Reactor

Simon Štampar – Saša Sokolič – Gorazd Karer

This paper introduces a new class of advanced control algorithms for batch-reactor temperature control where a nonlinear PI controller with a feed-forward part...


 

Combined Cutting-deforming Taps

Irina Stefanova Aleksandrova – Gancho Nenkov Ganev

Enhancement of the efficiency and quality of internal thread forming requires continuous improvements in the design of the tools used and optimization of their...


 

A Study on the Derivation of Parametric Cutting Force Equations in Drilling of GFRP Composites

Eda Okutan – Sedat Karabay – Tamer Sınmazçelik – Egemen Avcu

The aim of the present work is to derive machine force equations in the drilling of [0°/+45°/90°/–45°] oriented glass fiber reinforced...


 

Multivariable Predictive Functional Control of an Autoclave

Aleksander Preglej – Igor Steiner – Sašo Blažič

This paper presents the predictive functional control of an autoclave, which is designed, tested and compared in uni- and multivariable manners. The control of...


 

Experimental Research and Computer Simulation of Face Grind-hardening Technology

Jianping Li – Songyong Liu – Changlong Du

The influence of technical parameters on face grind-hardening surface hardness and hardened layer depth were determined by systematic experimental studies on...


 

A Multi-Axis Biodynamic Measuring Handle for a Human Hand-Arm System

Luka Knez – Janko Slavič – Miha Boltežar

The biodynamic response method is increasingly being used to study the human hand-arm system and vibration-induced injuries that affect the hand. Most...


 

Detection of Flooding and Drying inside a PEM Fuel Cell Stack

Andrej Debenjak – Matej Gašperin – Boštjan Pregelj – Maja Atanasijević-Kunc – Janko Petrovčič – Vladimir Jovan

Proton Exchange Membrane (PEM) fuel cells are currently seen as the most suitable choice for implementation into daily-use applications. However, the PEM...


 

Characterizing Effective d31 Values for PZT from the Nonlinear Oscillations of Clamped-Clamped Micro- Resonators

Andrew J. Dick

In order to accurately predict the performance of micro-electromechanical systems which use piezoelectric material, precise knowledge of the piezoelectric...


 

Numerical and Experimental Study of Frictional Behavior in Bending Under Tension Test

Hirpa G. Lemu – Tomasz Trzepieciński

This paper presents the results of frictional resistance research for three different types of sheet metals, namely from steel, brass and aluminum alloy. The...


 

Measurement Uncertainty Assessment in Remote Object Geolocation

Lovro Kuščer – Janez Diaci

Remote object geolocation is a process of determining the geographic location of distant objects, which is often required in geology, military applications,...


 

Design and Materials Selection for Environmentally Friendly Ship Propulsion System

Liane Roldo – Ivan Komar – Nenad Vulić

The selection of the material regarding specific design of the stern tube journal bearings in vessels is critical taking into account the lubrication system,...


 

Model Development and Dynamic Load-Sharing Analysis of Longitudinal-Connected Air Suspensions

Yikai Chen – Jie He – Mark King – Wuwei Chen – Changjun Wang – Weihua Zhang

The objective of this research was to investigate the effect of suspension parameters on dynamic load-sharing of longitudinal-connected air suspensions of a...


 

Neural Network-Based Model for Supporting the Expert Driven Project Estimation Process in Mold Manufacturing

Blaž Florjanič – Edvard Govekar – Karl Kuzman

One of the crucial activities for running a successful mold manufacturing business is project estimation. The estimation process is an early project activity...


 

Tribological Behaviour of Coated Carbide Tools during Turning of Steels with Improved Machinability

Sebhi Amar – Osmani Hocine – Rech Joel

When competing with the industrial productivity, respecting the general rules of work and ecology of the environment system by avoiding various types of ...


 

Designs and Optimizations of Active and Semi-Active Non-linear Suspension Systems for a Terrain Vehicle

Shpetim Lajqi – Stanislav Pehan

This paper introduces a design and optimization procedure for active and semi-active non-linear suspension systems regarding terrain vehicles. The objective of...


 

Customizing Products through Application of Group Technology: A Case Study of Furniture Manufacturing

Nikola Suzić – Branislav Stevanov – Ilija Ćosić – Zoran Anišić – Nemanja Sremčev

Satisfying customer needs becomes increasingly complex when a product customization element is included. This paper presents a case of transforming a...


 

Modeling and Simulation of a Chip Load Acting on a Single Milling Tool Insert

Virginija Gylienė – Vytautas Ostaševičius

The paper presents experimental and numerical study of the end-milling process. The aim of this study is to define the force acting on a single cutting tool ...


 

Phase Transformations in High Alloy Cold Work Tool Steel

Roman Moravčík – Mária Štefániková – Roman Čička – Ľubomír Čaplovič – Karin Kocúrová – Roman Šturm

Phase transformations in the alloy tool steels have a crucial effect on the final properties of the steels. High alloy systems have different solidification ...


 

Hobbing Strategy and Performance Analyses of Linkage Models for Non-Circular Helical Gears Based on Four-Axis Linkage

Youyu Liu – Jiang Han – Lian Xia – Xiaoqing Tian

The application of non-circular helical gears has been largely restricted to their manufacturing techniques. For realization of their hobbing, a kind of hobbing...


 

Nonlinear Model for the Instability Detection in Centerless Grinding Process

Jose Billerman Robles-Ocampo – Juan Carlos Jauregui-Correa – Peter Krajnik – Perla Yasmin Sevilla-Camacho – Gilberto Herrera-Ruiz

In this work a novel nonlinear model for centerless grinding is presented. The model describes the dynamic behavior of the process. The model considers that the...


 

Investigation on Machining Performance of Inconel 718 under High Pressure Cooling Conditions

Oğuz Çolak

The paper deals with experimental investigation on machinability of Inconel 718 in conventional and alternative high pressure cooling conditions. The...


 

Modeling of the Influence of Cutting Parameters on the Surface Roughness, Tool Wear and Cutting Force in Face Milling in Off-Line Process Control

Dražen Bajić – Luka Celent – Sonja Jozić

Off-line process control improves process efficiency. This paper examines the influence of three cutting parameters on surface roughness, tool wear and cutting...


 

Probabilistic Thermal and Electromagnetic Analyses of Subsea Solenoid Valves for Subsea Blowout Preventers

Baoping Cai – Yonghong Liu – Congkun Ren – Aibaibu Abulimiti – Xiaojie Tian – Yanzhen Zhang

A prototype of subsea solenoid valve for subsea blowout preventers is designed and manufactured. The deterministic and probabilistic thermal and electromagnetic...


 

Assembly/Disassembly Analysis and Modeling Techniques: A Review

Robert Iacob – Diana Popescu – Peter Mitrouchev

Optimization and realistic virtual simulation of the Assembly and Disassembly (A/D) process are relevant research subjects, considering the significant role ...


 

Integration of Simulation and Lean Tools in Effective Production Systems – Case Study

Ranko Božičković – Milan Radošević – Ilija Ćosić – Mirko Soković – Aleksandar Rikalović

Production systems that are by their structure designed according to principles of group technology must, despite their perfection, rapidly adapt to changes in...


 

Design of Space-Curve Meshing-Wheels with Unequal Tine Radii

Jiang Ding –Yangzhi Chen –Yueling Lv

In some recent papers a new gear mechanism named Space-Curve Meshing-Wheel (SCMW) has been proposed by the present authors. However, the research presented was...


 

Enhanced Heat Transfer on Thermo Active Cooling Wall

Samo Venko – Boris Vidrih – Erik Pavlovič – Sašo Medved

In the article a study of the cooling potential of thermo activated wall in an office building with enhanced convective heat transfer is presented. Heat ...


 

Influence of Laser Surface Remelting on Al-Si Alloy Properties

Janez Sušnik – Roman Šturm – Janez Grum

The paper treats Al-Si alloy after laser surface remelting by the changes in microstructure and micro-hardness of a modified surface layer. Laser remelting of...


 

Nautical Risk Assessment for LNG Operations at the Port of Koper

Marko Perkovic – Lucjan Gucma – Marcin Przywarty – Maciej Gucma – Stojan Petelin – Peter Vidmar

Construction of an LNG (Liquid Natural Gas) terminal by TGE (TGE Gas Engineering GmbH) is currently planned to be located along the Slovenian coast near the...


 

Vacuum Insulation Panels - An Assessment of the Impact of Accelerated Ageing on Service Life

Roman Kunič

Vacuum insulation panels (VIP) are the most effective thermal insulation and are primarily used where not much space is available and extremely high thermal ...


 

Determination of Surface Qualities on Inclined Surface Machining with Acoustic Sound Pressure

Arif Gok – Cevdet Gologlu – Ibrahim H. Demirci – Mustafa Kurt

Die parts used in automotive and aviation industry have complicated surfaces that require multiaxis machining. In machining of inclined surfaces with ball-end ...


 

An Improved Torque Method for Preload Control in Precision Assembly of Miniature Bolt Joints

Xiwen Zhang – Xiaodong Wang – Yi Luo

In this work, the improved torque method based on a mathematical model is proposed for preload control in the precision assembly of miniature bolt joints. The...


 

Repair Preparation of Fiber-Reinforced Plastics by the Machining of a Stepped Peripheral Zone

David Zaremba – Christian Biskup – Thomas Heber – Nico Weckend – Werner Hufenbach – Frank Adam – Friedrich-Wilhelm Bach – Thomas Hassel

Today’s standard procedures for the repair of fiber reinforced plastics are not optimized for the structural rearrangement of the original material properties ...


 

Manipulability of a Haptic Mechanism within the Cylindrical Space of an MR Scanner

Matej Rajh – Srečko Glodež – Jože Flašker – Karl Gotlih

The aim of this paper is to present developed 3 DOF haptic mechanism and 3D visualization method for analysis of mechanism manipulability problems within...


 

Computation Method in Failure Analysis of Mechanically Fastened Joints at Layered Composites

Ivana Ilić – Zlatko Petrovic – Mirko Maksimović – Slobodan Stupar – Dragi Stamenković

This paper considers a computation method in failure analysis of layered composites containing pin-loaded holes. The investigation is focused on developing a...


 

Railway Axle Analyses: Fatigue Damage and Life Analysis of Rail Vehicle Axle

Ferhat Dikmen – Meral Bayraktar – Rahmi Guclu

In this study, failures in axles of rail vehicles have been examined. The axle failure in the paper is a classic fatigue problem with high magnitude bending...


 

Teamwork in the Simultaneous Product Realisation

Lidija Rihar – Janez Kušar – Stane Gorenc – Marko Starbek

The paper presents a transition from sequential to simultaneous product realisation. Such a transition is not possible without prior wellorganised teamwork or...


 

AdSR Based Fault Diagnosis for Three-Axis Boring and Milling Machine

Bing Li – Jimeng Li – Jiyong Tan – Zhengjia He

This paper introduced an adaptive stochastic resonance (AdSR) signal processing technique to extract fault feature of machining accuracy decay in boring and...


 

A Method to Determine the Impact of Geometrical Deviations on Product Performance

Frédéric Vignat – Dinh Son Nguyen – Daniel Brissaud

Robustness is the key to successful product design when many variation sources exist throughout the product lifecycle. Variations are of many sources such as...


 

Competitive Hopfield Neural Network Model for Evaluating Pedicle Screw Placement Accuracy

Diana Popescu – Cătălin Gheorghe Amza – Dan Lăptoiu – Gheorghe Amza

In this paper, the application of an X-ray image segmentation algorithm based on a Competitive Hopfield Neural Network (CHNN) model for evaluating the insertion ...


 

Autofluorescence Bronchoscopy Image Processing in the Selected Colour Spaces

Tomaž Finkšt – Jurij F. Tasič – Marjeta Terčelj-Zorman – Matej Zajc

Reading diagnostic medical images usually requires the expertise of a specialist physician. To aid physicians we have developed an algorithm that deduces...


 

Modelling of Thrust Forces in Drilling of AISI 316 Stainless Steel Using Artificial Neural Network and Multiple Regression Analysis

Adem Çiçek − Turgay Kıvak − Gürcan Samtaş − Yusuf Çay

In this study, the effects of cutting parameters (i.e., cutting speed, feed rate) and deep cryogenic treatment on thrust force (Ff) have been investigated in...


 

Non-Newtonian Blood Flow around Healthy and Regurgitated Aortic Valve with Coronary Blood Flow Involved

Jure Marn – Jurij Iljaž – Zoran Žunič – Primož Ternik

Most numerical simulations about aortic valve are discussing about the blood flow through prosthetic valves, therefore this study covers a biological aortic...


 

Boundary Layer Method for Unsteady Transonic Flow

Frane Majić – Ralph Voss – Zdravko Virag

A numerical method for determination of unsteady loads in a 2-D transonic flow, with the occurrence of a shock wave, on a pitching airfoil is demonstrated. The...


 

Dressing of Hybrid Bond CBN Wheels Using Short-Pulse Fiber Laser

Mohammad Rabiey – Christian Walter – Friedrich Kuster – Josef Stirnimann – Frank Pude – Konrad Wegener

A systematic research analysis has been applied to study the effect of dressing parameters on grinding forces, work piece roughness and wheel wear of a hybrid...


 

Exergy Analysis of Conventional and Low Exergy Systems for Heating and Cooling of Near Zero Energy Buildings

Mateja Dovjak – Masanori Shukuya – Aleš Krainer

The purpose of the study is to compare two heating and cooling (H/C) systems regarding individual thermal comfort conditions and rational building energy use....


 

Online Monitoring, Analysis, and Remote Recording of Welding Parameters to the Welding Diary

Andrej Lebar – Luka Selak – Rok Vrabič – Peter Butala

In certain domains of production engineering we are faced with very small batch production as it is the case in the production of heavy hydro energy equipment....


 

Mechanical Design Optimization for Multi-Finger Haptic Devices Applied to Virtual Grasping Manipulation

Javier López – Jose Breñosa – Ignacio Galiana – Manuel Ferre – Antonio Giménez – Jorge Barrio

This paper describes the design of a modular multi-finger haptic device for virtual object manipulation. Mechanical structures are based on one module per...


 

Experimental Investigation of High-Strength Structural Steel Welds

Hajro Ismar– Zijah Burzic – Nenad J.Kapor – Tugomir Kokelj

Material toughness becomes more significant material mechanical property, as well as design variable with recent advances of fracture mechanics understanding....


 

Experimental Research on New Grade of Steel Protective Material for Light Armored Vehicles

Jure Bernetič – Tomaž Vuherer – Matjaž Marčetič – Mladen Vuruna

An investigation of new PROTAC 500 armour steel was conducted. Three plates were heat treated to different states. One was quenched, the second and third were...


 

The Influence of Part Dimensions and Tolerance Size to Trigger Characteristics

Martin Macko - Slobodan Ilić – Mirko Jezdimirović

This article describes a negative effect of size tolerance on the trigger characteristic. The trigger characteristic is the dependence of trigger force and...


 

A Model for Shaped Charge Warhead Design

Slobodan Jaramaz – Dejan Micković – Predrag Elek – Dragana Jaramaz – Dušan Micković

A model for shaped charge warhead design was developed. The model is incorporated in the computer code - CUMUL. The code includes detonation wave profile...


 

Experimental and Simulation Testing of Flight Spin Stability for Small Caliber Cannon Projectile

Momčilo Milinović – Damir Jerković – Olivera Jeremić – Mitar Kovač

The basic aim of this paper is to consider correlations of stability flight criteria, derived as the relations of aerodynamic coefficients and derivatives, on...


 

Acoustic Experimental Data Analysis of Moving Targets Echoes Observed by Doppler Radars

Milenko Andrić – Boban Bondžulić – Bojan Zrnić – Aleksandar Kari – Goran Dikić

In this paper we describe the main tasks of ground surveillance radars for security and perimeter protection and targets detection. Our goal is to provide a ...


 

AFV Vetronics: Displays Design Criteria

Branko Livada – Radomir Janković – Nebojša Nikolić

This paper addresses the basic functionalities and properties of displays aimed to be used in modern armoured fighting vehicles (AFV). The paper also...


 

Nanotechnological Enhancement of Infrared Detectors by Plasmon Resonance in Transparent Conductive Oxide Nanoparticles

Zoran Jakšić – Momčilo Milinović – Danijela Randjelović

We investigated the use of plasmonic nanotechnology to enhance the performance of semiconductor infrared detectors. An increase of quantum efficiency,...


 

Dynamics of Polymer Sheets Cutting Mechanism

Livija Cveticanin – Ratko Maretic – Miodrag Zukovic

In the paper the dynamics of a cutting mechanism for polymer sheets is analyzed. The mechanism contains two connected slider-crank mechanisms which transform...


 

Global Criterion Method Based on Principal Components to the Optimization of Manufacturing Processes with Multiple Responses

José Henrique de Freitas Gomes – Aluizio Ramos Salgado Júnior – Anderson Paulo de Paiva – João Roberto Ferreira – Sebastião Carlos da Costa – Pedro Paulo Balestrassi

The necessity of efficient and controlled processes has increased the demand by employing optimization methods to the most diverse industrial processes. For...


 

Anti-Sway System for Ship-to-Shore Cranes

Edvin Raubar – Damir Vrančić

All ship-to-shore cranes hoisting mechanisms are made of a load attached to the trolley by means of a hoisting rope. In the process of loading and unloading the ...


 

Gear Unit Housing Effect on the Noise Generation Caused by Gear Teeth Impacts

Milosav Ognjanović – Snežana Ćirić Kostić

The basic hypothesis of the paper is that machine part surfaces are membranes that divide inner and outer space, receive disturbance power from inner space and...


 

Low-Frequency Sonoporation in vitro: Experimental System Evaluation

Jure Jelenc – Jože Jelenc – Damijan Miklavčič – Alenka Maček Lebar

Sonoporation is a phenomenon where ultrasound increases cell membrane permeability. As the result, molecules that are otherwise deprived of transport mechanisms ...


 

Universal Model of a Biomass Gasifier for Different Syngas Compositions

Andrej Pirc – Mihael Sekavčnik – Mitja Mori

This paper presents the theoretical and technical characteristics of biomass gasifiers. The modelling of a gasifier requires a linear system of equations that...


 

An Evaluation of Formed Maintenance Programme Efficacy

Željko Đurić – Ljubiša Josimović – Živoslav Adamović – Ljiljana Radovanović – Goran Jovanov

This paper presents the basic ideas for programming the maintenance of complex technical systems, which is a set of rules for determining the diagnostic mode of ...


 

Experimental Performance Evaluation of a Photovoltaic Thermal (PV/T) Air Collector and Its Optimization

Mohsen Mahdavi Adeli – Fatemeh Sobhnamayan – Said Farahat – Mahmoud Abolhasan Alavi – Faramarz Sarhaddi

The aim of the present study is the simultaneous optimization of thermal and electrical efficiencies of a solar photovoltaic thermal (PV/T) air collector. The...


 

Increased Efficiency of Hydraulic Systems Through Reliability Theory and Monitoring of System Operating Parameters

Mitar Jocanović – Dragoljub Šević – Velibor Karanović – Ivan Beker – Slobodan Dudić

In the process of hydraulics systems design various software simulation systems are used. However, the increase of efficiency of the designed hydraulic systems...


 

Improving Products’ Ergonomic Value Using Intelligent Decision Support System

Jasmin Kaljun – Bojan Dolšak

During the process of defining suitable design solutions, a designer has to consider a wide range of influential factors. Ergonomics certainly belongs to more...


 

Application of an Instrumented Tracer in an Abrasion Mill for Rock Abrasion Studies

Tomaž Šolc – Aneta Stefanovska – Trevor Hoey – Matjaž Mikoš

One of research fields in studying dynamics of gravel-bed rivers is the interaction between sediment particles in motion and incision rates in rock-bottom river ...


 

Two-Dimensional Mathematical Modelling of a Dam-Break Wave in a Narrow Steep Stream

Mario Krzyk – Roman Klasinc – Matjaž Četina

The paper deals with hydraulic aspects of a wave, emerging as a result of a potential dam break of the upper storage reservoir of the pumpedstorage hydropower...


 

Testing of Concrete Abrasion Resistance in Hydraulic Structures on the Lower Sava River

Andrej Kryžanowski – Matjaž Mikoš – Jakob Šušteršič – Velimir Ukrainczyk – Igor Planinc

The paper deals with the issues of resistance of concrete linings to long-term abrasion loading caused by waterborne particles, particularly for the proposed...


 

Experimental Analysis of the Impact of Particles on the Cavitating Flow

Boštjan Gregorc – Andrej Predin – Drago Fabijan – Roman Klasinc

The purpose of this paper is to present an analysis of the impact of solid particles on the development of cavitating flow conditions around a hydrofoil....


 

Dynamic Behaviour of Air Valves in a Large-Scale Pipeline Apparatus

Anton Bergant – Arno Kruisbrink – Francisco Arregui

This paper describes an experimental programme on the dynamic behaviour of air valves performed in a large-scale pipeline apparatus. Dynamic flow tests were...


 

Numerical Analyses to Investigate the Feasibility and Effectiveness in Using Heat Pipe Embedded End Mills

Yong-Bin Liu – Lin Zhu – Tien-Chien Jen – Ji-Wen Zhao – Yi-Hsin Yen

In this paper, the feasibility and effectiveness of heat pipe cooling in end milling operations are investigated. A new embedded heat pipe technology was...


 

Synthesis of Truss Structure Designs by NSGA-II and NodeSort Algorithm

Tino Stanković – Mario Štorga – Dorian Marjanović

This paper presents a genetic algorithm based approach for synthesis of truss structure designs. Genotype represented as a collection of binary encoded nodes is...


 

Tool-Edge Wear and Wavelet Packet Transform Analysis in High-Speed Machining of Inconel 718

Ning Fang - P Srinivasa Pai - Nathan Edwards

Tool-edge wear (i.e., the wear of a tool cutting edge before it is fully worn away) is among significant concerns in high-speed machining because it can result...


 

CFD-Based Investigation of the Response of Mechanical Ventilation in the Case of Tunnel-Fire

Mezid Muhasilovic – Jožef Duhovnik

The fact that many underground facilities, as large-scale spaces, differ in their geometric characteristics, continually sets new tasks for the researcher...


 

Theoretical and Experimental Study of Fatigue Strength of Plain Woven Glass/Epoxy Composite

Ali Movaghghar – Gennady Ivanovich Lvov

In this paper an energy-based model for predicting fatigue life and evaluation of progressive damage in composite materials is proposed. The damage model is...


 

Application of Taguchi Method for Surface Roughness and Roundness Error in Drilling of AISI 316 Stainless Steel

Adem Çiçek -Turgay Kıvak - Gürcan Samtaş

In this study, the effects of deep cryogenic treatment and drilling parameters on surface roughness and roundness error were investigated in drilling of AISI...


 

Use of Genetic Algorithms for Optimal Design of Sandwich Panels Subjected to Underwater Shock Loading

Hamidreza Salimi – Bahador Saranjam – Ahmad Hoseini Fard – Mohsen Ahmadzadeh

Sandwich composite panels are increasingly used in the construction of marine vehicles because of their outstanding strength, stiffness and light weight...


 

Radio Controlled Sailplane Flight: Experimental and Numerical Analysis

Matjaž Ramšak

The article deals with numerical and experimental analysis of radio controlled sailplane flight. A Computational Fluid Dynamics programme, Ansys CFX, is used...


 

Taguchi-Based and Intelligent Optimisation of a Multi- Response Process Using Historical Data

Tatjana Šibalija ‒ Vidosav Majstorović ‒ Mirko Soković

Optimisation of manufacturing processes is typically performed by utilising mathematical process models or designed experiments. However, such approaches could ...


 

Application of CFD Simulation in the Development of a New Generation Heating Oven

Zlatko Rek − Mitja Rudolf − Iztok Zun

This paper deals with the application of Computational Fluid Dynamics simulation in the development of a new generation cooking appliance in Gorenje concern. As...


 

Description and Modeling of the Additive Manufacturing Technology for Aerodynamic Coefficients Measurement

Saeed Daneshmand ‒ Cyrus Aghanajafi

Casting, machining and additive manufacturing technologies are used in order to produce wind tunnel testing models. The models can also be analyzed by...


 

Finite Mixture Estimation Algorithm for Arbitrary Function Approximation

Matej Volk – Marko Nagode – Matija Fajdiga

The paper considers a new prospect of the arbitrary continuous function approximation from a limited set of input data with the REBMIX algorithm, developed for ...


 

Analysis of Building Electric Energy Consumption Data Using an Improved Cooling Degree Day Method

Gorazd Krese – Matjaž Prek – Vincenc Butala

In cases where a quick insight into the operation of an HVAC system is more important than accuracy, cooling degree days can be used for monitoring electric ...


 

Effect of Agitation Work on Heat Transfer during Cooling in Oil ISORAPID 277HM

Bohumil Taraba − Steven Duehring − Ján Španielka − Štefan Hajdu

The article focuses on the issue of heat treatment. The cooling curves were obtained for Isorapid 277HM with an experimental way of temperature measuring and...


 

Neural-Network Estimation of the Variable Plant for Adaptive Sliding-Mode Controller

Suzana Uran ‒ Riko Šafarič

The Lyapunov based theoretical development of a neural-network sliding-mode based estimation of highly non-linear and variable robot plant for a direct-drive...


 

A Dynamic Rescheduling Model with Multi-Agent System and Its Solution Method

Fuqing Zhao ‒ Jizhe Wang ‒ Junbiao Wang ‒ Jonrinaldi Jonrinaldi

Dynamic rescheduling problem is an important issue in modern manufacturing system with the feature of combinatorial computation complexity. A dynamic...


 

Backward Hole-Flanging Technology Using an Incremental Approach

Aleš Petek – Karl Kuzman

The manufacturing of necks on the sheet metal parts using conventional hole-flanging process in small series production is sometimes too expensive or even ...


 

Dynamic Model for the Stress and Strain State Analysis of a Spur Gear Transmission

Vera Nikolić ‒ Ćemal Dolićanin ‒ Dejan Dimitrijević

A gear transmission dynamic model for the gear dynamic contact loading, dynamic contact stress state and dynamic contact strain state analysis is presented. A...


 

Design and Feasibility Analyses of Morphing Airfoil Used to Control Flight Attitude

Sha Du ‒ Haisong Ang

Morphing technology, inspired by bat and bird flight can enable an aircraft to adapt its shape to enhance mission performance and optimize flight attitude...


 

Control of Separation Flow over a Wind Turbine Blade with Plasma Actuators

Erik Potočar ‒ Branko Širok ‒ Marko Hočevar ‒ Matjaž Eberlinc

This paper analyses the effects produced by a plasma actuator on flow around a turbine blade profile at Re 7600 and Re 10500. The analysis is undertaken with...


 

Thermal Load of Multidisc Wet Friction Assemblies at Braking Regime

Zlatomir Živanović ‒ Miodrag Milić

The paper presents the results of thermal load investigations of multidisc friction assemblies used as service brakes of a high speed tracked vehicle. By...


 

Correlation between Incident Angle, Measurement Distance, Object Colour and the Number of Acquired Points at CNC Laser Scanning

Nikola Vukašinović – Janez Možina – Jože Duhovnik

In this paper the results of research about the influences of the incident angle, the measurement distance and object colour and reflectivity on the number of...


 

Comparison of Thermo-Hydraulic Properties of Heat Regenerators Applicable to Active Magnetic Refrigerators

Alen Šarlah – Jaka Tušek – Alojz Poredoš

This paper describes passive heat regenerators appropriate for active magnetic refrigerators (AMR) and evaluates them from the point of view of thermo-hydraulic...


 

Dynamic 1D Model of an Active Magnetic Regenerator: A Parametric Investigation

Giulio Tagliafico ‒ Federico Scarpa ‒ Luca Antonio Tagliafico

A one dimensional dynamic model of a reciprocating active reciprocating magnetic regenerator (AMR) was developed and a parametric analysis of its behavior at ...


 

Experiments on a Modular Magnetic Refrigeration Device

Kurt Engelbrecht ‒ Jesper Buch Jensen ‒ Christian Robert Haffenden Bahl

An experimental magnetic refrigeration test device has been built at Risø DTU. The device is designed to be modular, and thus all parts of the device can...


 

Experimental Equipment Research for Cryogenic Joule- Thompson Cryocoolers Comparison in IR Technology Sensors

Aleksandar Sicovic ‒ Momčilo Milinovic ‒ Olivera Jeremic

This paper shows experimental setup for research of Joule-Thompson cryocoolers performances integrated in Dewar vessels with temperature detector simulator of...


 

Investigation on the High Vacuum Tribological Characteristics of Surface Treated Nuclear Grade Stainless Steel Type AISI 316 LN at 25 to 500 °C

Ayyannan Devaraju – Ayyasamy Elayaperumal – Srinivasan Venugopal – Satish V. Kailas – Joseph Alphonsa

Although some researchers have published friction and wear data of Plasma Nitride (PN) coatings, the tribological behavior of PN/PN Pairs in high vacuum...


 

Simulation of Water-Gas Shift Membrane Reactor for Integrated Gasification Combined Cycle Plant with CO2 Capture

Andrej Lotrič ‒ Mihael Sekavčnik ‒ Christian Kunze ‒ Hartmut Spliethoff

The effectiveness of energy conversion and carbon dioxide sequestration in Integrated Gasification Combined Cycle (IGCC) is highly dependent on the syngas...


 

Polycrystalline Cubic Boron Nitride (PCBN) Tool Life and Wear in Turning of Amorphous-Crystalline Iron-Based Coatings

Ljubodrag Tanovic ‒ Pavao Bojanic ‒ Radovan Puzovic ‒ Sergey Klimenko

The paper presents PCBN-Ciborit cutting tools life and wear test results. The effects of the machining regime when turning amorphous-crystalline Fe80B20 and...


 

Influence of the Milling Strategy on the Durability of Forging Tools

Ivo Pahole ‒ Dejan Studenčnik ‒ Karl Gotlih ‒ Mirko Ficko ‒ Jože Balič

The quality of a tool’s surface has a direct influence on the number of well-produced parts. For the machining of an active tool surface, two...


 

Finite Element Analysis of a Tire Steady Rolling on the Drum and Comparison with Experiment

Nikola Korunović – Miroslav Trajanović – Miloš Stojković – Dragan Mišić – Jelena Milovanović

A finite element (FE) model for analysis of tire rolling on the drum, based on a specially developed CAD model, is presented in the paper. All the changes...


 

Kinematics and Dynamics of the Quasi-Passive Biped “PASIBOT”

Jesús Meneses – Cristina Castejón – Eduardo Corral – Higinio Rubio – Juan Carlos García-Prada

A quasi-passive biped (having only one actuator) developed into a Spanish project called “PASIBOT” [1] is presented in this article. We focus on the...


 

Pipistrel Taurus G4: on Creation and Evolution of the Winning Aeroplane of NASA Green Flight Challenge 2011

Tine Tomažič – Vid Plevnik – Gregor Veble – Jure Tomažič – Franc Popit – Sašo Kolar – Radivoj Kikelj – Jacob W. Langelaan – Kirk Miles

The paper presents the journey of the Pipistrel’s Taurus G4, the World’s first four-seat electric aeroplane and winner of the NASA Green Flight...


 

Quality Managers’ Estimates of Quality Management Principles Application in Certified Organisations in Transitional Conditions - Is Serbia Close to TQM?

Vladan Radlovački ‒ Ivan Beker ‒ Vidosav Majstorović ‒ Mladen Pečujlija ̶ Dragutin Stanivuković ‒ Bato Kamberović

For this research, an ad hoc questionnaire was sent to a representative sample of quality managers in Serbian certified organisations to determine their ...


 

On the Particles Size Distributions of Diatomaceous Earth and Perlite Granulations

Dragan V. Petrović ‒ Časlav B. Mitrović ‒ Nataša R. Trišovic ‒ Zorana Z. Golubović

When filtering products with a high level of non-soluble solids and containing filtration-inhibiting substances, a variety of different filter aids can be used....


 

Effects of Hot-Water-Pipeline Renovation in a District Heating System

Andrej Ljubenko ‒ Alojz Poredoš ‒ Miran Zager

In this paper the attention is on the heat losses of a main, aboveground supply, hot-water pipeline, whose length is 5430 m. It is situated between the...


 

Possibilities of Using Three-Dimensional Optical Scanning in Complex Geometrical Inspection

Tomaz Brajlih ‒ Tadej Tasic ‒ Igor Drstvensek ‒ Bogdan Valentan ‒ Miodrag Hadzistevic ‒ Vojko Pogacar ‒ Joze Balic ‒ Bojan Acko

Non-contact optical three-dimensional measuring, scanning and digitising are increasingly present in quality assurance systems. Simple scanning procedures, high...


 

CW Fiber Laser for Second Harmonic Generation

Vid Novak – Rok Petkovšek – Boštjan Podobnik – Janez Možina

We report on a reduced-complexity laser-diode-seeded master-oscillator-power-amplifier setup of a continuous wave fiber laser, with a single-stage ytterbium...


 

Implementation of Automatic Identification Technology in a Process of Fixture Assembly/Disassembly

Gordana Ostojic ‒ Stevan Stankovski ‒ Djordje Vukelic ‒ Milovan Lazarevic ‒ Janko Hodolic ‒ Branko Tadic ‒ Stevan Odri

Radio Frequency Identification (RFID) technology presents automatic identification technology that can be used in product life cycle various phases, especially...


 

Calculation of the Combined Torsional Mesh Stiffness of Spur Gears with Two- and Three-Dimensional Parametrical FE Models

Timo Kiekbusch ‒ Daniel Sappok ‒ Bernd Sauer ‒ Ian Howard

The torsional mesh stiffness is one of the most important characteristics of spur gears. This paper presents the development of detailed two- and ...


 

Structural Analysis of an Articulated Urban Bus Chassis via FEM: a Methodology Applied to a Case Study

Dario Croccolo ‒ Massimiliano De Agostinis ‒ Nicolò Vincenzi

This paper deals with the static structural analysis of an articulated urban bus chassis, carried out with the Finite Elements Method. The purpose of this work...


 

Application of Promethee-Gaia Methodology in the Choice of Systems for Drying Paltry-Seeds and Powder Materials

Slavica Prvulovic − Dragisa Tolmac − Ljiljana Radovanovic

This work deals with the application of Promethee-Gaia methodology and the choice of three systems for drying paltry-seeds and powder materials pneumatic ...


 

Development of Prosthetic Knee for Alpine Skiing

Ivan Demšar ‒ Matej Supej ‒ Zmago Vidrih ‒ Jožef Duhovnik

Above-knee amputation significantly reduces the amputee’s mobility and physical condition that can be built up through training or other sports activities...


 

Global Optimization of Lateral Performance for Two-Post ROPS Based on the Kriging Model and Genetic Algorithm

Wang Jixin ‒ Yao Mingyao ‒ Yang Yonghai

To improve their energy-absorption capacity, the current study provides a global optimization design method for two-post rollover protective structures (ROPS)...


 

The Influence of Airflow Inlet Region Modifications on the Local Efficiency of Natural Draft Cooling Tower Operation

Matjaž Dvoršek ‒ Marko Hočevar ‒ Brane Širok ‒ Nikola Holeček ‒ Božin Donevski

We present the influence of the cooling tower airflow inlet region modifications at the Šoštanj 4 thermal power plant on cooling tower local efficiency. Local...


 

The Formation of Saw Toothed Chip in a Titanium Alloy: Influence of Constitutive Models

Roberto Alvarez – Rosario Domingo – Miguel Angel Sebastian

Članek obravnava ortogonalno rezanje zlitine Ti6Al4V, natančneje: i) možnosti uporabe Zerilli- Armstrongovih modelov pri simulacijah po metodi končnih ...


 

Optimal Control of Workpiece Thermal State in Creep-Feed Grinding Using Inverse Heat Conduction Analysis

Marin Gostimirović – Milenko Sekulić – Janez Kopač – Pavel Kovač

Due to intensive friction between grinding particles and workpiece material, a substantial quantity of thermal energy develops during grinding. Efficient ...


 

Overall Structure Calibration of 3-UCR Parallel Manipulator Based on Quaternion Method

Gang Cheng ‒ Wei Gu ‒ Jing-li Yu ‒ Ping Tang

In this article a simple yet effective approach for the structure calibration of a three degree-offreedom (DOF) parallel manipulator is presented. In this...


 

Development of a Part-Complexity Evaluation Model for Application in Additive Fabrication Technologies

Bogdan Valentan ‒ Tomaž Brajlih ‒ Igor Drstvenšek ‒ Jože Balič

With the rapid development and expansion of devices for the production of both traditional (cutting) procedures and layered technologies (also known as 3D ...


 

Application of Numerical Simulations in the Deep-Drawing Process and the Holding System with Segments’ Inserts

Mihael Volk – Blaž Nardin – Bojan Dolšak

The demands for complicated products have increased dramatically over the last few years taking into consideration the utilisation of sheet metal, product ...


 

Influence of Input Parameters on the Characteristics of the EDM Process

Mohammadreza Shabgard – Mirsadegh Seyedzavvar – Samad Nadimi Bavil Oliaei

This paper presents the results of experimental studies carried out to conduct a comprehensive investigation on the influence of Electrical Discharge Machining...


 

Aspects of Using Tool Axis Inclination Angle

Marek Sadílek – Robert Čep – Igor Budak – Mirko Soković

This contribution deals with the research and proposal to change a position of tool axis against milled surface during multi-axial milling. Our target is...


 

Surface Topography Modelling for Reduced Friction

Marko Sedlaček – Luis Miguel Silva Vilhena – Bojan Podgornik – Jože Vižintin

The aim of the present research was to investigate the possibility to design contact surfaces with reduced friction using surface roughness and topography ...


 

FE-Modeling of Cold Rolling by In-Feed Method of Circular Grooves

Eduard Niţu – Monica Iordache – Luminiţa Marincei – Isabelle Charpentier

The methods of cold rolling of rods are widely used in manufacturing industries to obtain pieces with complex profiles. In this study, complex profiles with...


 

Signal Model-Based Fault Detection and Diagnosis for Induction Motors Using Features of Vibration Signal in Two- Dimension Domain

Van Tuan Do – Ui-Pil Chong

applying for induction motors. The approach consists of two consecutive processes: fault detection process and fault diagnosis process. In the fault detection...


 

Length Variation of Toothed Belt during Exploitation

Blaza Stojanović ‒ Nenad Miloradović ‒ Nenad Marjanović ‒ Mirko Blagojević ‒ Lozica Ivanović

Timing belt drives are a relatively new concept in power transmission, accepted nowadays in all areas of industry. Teeth, equally spaced on the inner side of ...


 

Sustainability Assessment: Cryogenic Machining of Inconel 718

Franci Pušavec ‒ Janez Kopač

This paper disseminates the foreground of sustainable cryogenic machining technology that has a high potential to cut production costs and improve...


 

Computation of Stress Intensity Factor in Functionally Graded Plates under Thermal Shock

Mohammad Bagher Nazari ‒ Mahmoud Shariati ‒ Mohammad Reza Eslami ‒ Behrooz Hassani

This paper addresses the implementation of the element-free Galerkin method, which is enriched intrinsically for fracture analysis of functionally graded...


 

Computation of Stress Intensity Factor in Functionally Graded Plates under Thermal Shock

Mohammad Bagher Nazari ‒ Mahmoud Shariati ‒ Mohammad Reza Eslami ‒ Behrooz Hassani

This paper addresses the implementation of the element-free Galerkin method, which is enriched intrinsically for fracture analysis of functionally graded...


 

Virtual Engine - A Tool for a Powertrain Dynamic Solution

Vaclav Pistek ‒ Pavel Novotny

The paper presents computational and experimental approaches to a powertrain vibration analysis. A complex computational model of a powertrain - a virtual...


 

Integrating R&D and Marketing in New Product Development

Nuša Fain ‒ Mihael Kline ‒ Jože Duhovnik

R&D - marketing integration is considered to be a critical activity within New Product Development (NPD). A theoretical framework for the study of R&D -...


 

Design and Testing of an Ultrasound System for Targeted Spraying in Orchards

Viktor Jejčič ‒ Tone Godeša ‒ Marko Hočevar ‒ Brane Širok ‒ Aleš Malneršič ‒ Andrej Štancar ‒ Mario Lešnik ‒ Denis Stajnko

The research aims to demonstrate the basic system elements of a prototype automated orchard sprayer, which can deliver pesticide spray selectively with respect...


 

Numerical Modelling of Crack Growth in a Gear Tooth Root

Srđan Podrug ‒ Srečko Glodež ‒ Damir Jelaska

A computational model for determination of crack growth in a gear tooth root is presented. Two loading conditions are taken into account: (i) normal pulsating...


 

Study of Adaptive Model Parameter Estimation for Milling Tool Wear

Chuangwen Xu ‒ Ting Xu ‒ Qi Zhu ‒ Hongyan Zhang

In a modern machining system, tool wear monitoring systems are needed to get higher quality production. In precision machining processes, especially surface...


 

Simulating Nonlinear Materials under Centrifugal Forces by using Intelligent Cross-Linked Simulations

Reinhard Hackenschmidt ‒ Bettina Alber-Laukant ‒ Frank Rieg

Actual sophisticated development processes are conducted by the use of multiple computer-aided tools (CAx-tools) to accelerate product development. However,...


 

Mesh Smoothing with Global Optimization under Constraints

Simon Kulovec ‒ Leon Kos ‒ Jožef Duhovnik

Mesh (pre)processing remains an important issue for obtaining useful meshes used in mechanical engineering, especially for finite element calculations. An ...


 

Integrated Design for Fatigue Life Estimation of Structures

Radouane Akrache ‒ Jian Lu

The design of a product or a mechanical system involves several stages, starting with the development of product specifications and ending with its final...


 

Validation of a Flexible Multibody Belt-Drive Model

Gregor Čepon ‒ Lionel Manin ‒ Miha Boltežar

In the past decade the applicability of belt-drives has been extended significantly due to their increased reliability. With automotive engines it is now common ...


 

Theoretical Analysis of Stiffness Constant and Effective Mass for a Round-Folded Beam in MEMS Accelerometer

Wai Chi Wong ‒ Ishak Abdul Azid ‒ Burhanuddin Yeop Majlis

In this paper, the governing equations of stiffness constant and effective mass for a round folded suspension beam in Micro-Electro Mechanical System (MEMS)...


 

Mathematical Model of an Autoclave

Aleksander Preglej ‒ Rihard Karba ‒ Igor Steiner ‒ Igor Škrjanc

This paper presents the mathematical modelling of the following autoclave processes: heating, cooling and pressure changes. An autoclave is a pressure vessel of...


 

Criticality Analysis of the Elements of the Light Commercial Vehicle Steering Tie-Rod Joint

Dobrivoje Ćatić – Branislav Jeremić – Zorica Djordjević – Nenad Miloradović

The introduction of the paper gives the basic concepts of Failure Modes, Effects and Criticality Analysis - FMECA. Features of elements of mechanical systems...


 

Numerical Methods for TMF Cycle Modeling

Henrik Zaletelj – Gorazd Fajdiga – Marko Nagode

Experimental tests for the endurance evaluation of the machine parts that are exposed to thermomechanical fatigue (TMF) require advanced and expensive testing...


 

Fault Detection of an Industrial Heat-Exchanger: A Model-Based Approach

Dejan Dragan

One of the key issues in modelling for fault detection is how to accommodate the level of detail of the model description to suit the diagnostic requirements....


 

A Secondary Source Configuration for Control of a Ventilation Fan Noise in Ducts

Jurij Prezelj ‒ Mirko Čudina

The main noise source in heating, ventilation, and air conditioning systems is usually a ventilating fan. Noise, generated by the ventilating fan is transmitted...


 

A Methodology for Quantifying the Kinematic Position Errors due to Manufacturing and Assembly Tolerances

Paulo Flores

A systematic and general methodology for kinematic position errors analysis of multibody systems is investigated throughout this work, taking into account the...


 

Numerical Prediction of Non-Cavitating and Cavitating Vortex Rope in a Francis Turbine Draft Tube

Dragica Jošt – Andrej Lipej

The paper presents a prediction of vortex rope in a draft tube obtained by the numerical flow analysis. The main goal of the research was to numerically predict...


 

Conservative-Force-Controlled Feed Drive System for Down Milling

Branko Tadic – Djordje Vukelic – Janko Hodolic – Slobodan Mitrovic – Milan Eric

Reviewed in this paper are the results of theoretical and experimental investigation of a novel down milling method. The method is based on controlling feed...


 

Investigation of TiN Coated CBN and CBN Cutting Tool Performance in Hard Milling Application

Fatih Taylan – Oğuz Çolak1 – Mehmet Cengiz Kayacan

Cubic Boron Nitride (CBN) and TiN Composite Coated CBN combines the thermal stability, super abrasiveness and cost effectiveness for hard machining applications...


 

Determining the Capacity of Unloading Bulk Cargo Terminal Using Queuing Theory

Ugljesa Bugaric ‒ Dusan Petrovic ‒ Zoran Petrovic ‒ Miroslav Pajcin ‒ Gordana Markovic-Petrovic

Hierarchical structure of the system, river terminals for bulk cargo unloading, connected with queuing and servicing and stochastic character of the...


 

An Intelligent Electro-Hydraulic Servo Drive Positioning

Edvard Detiček - Uroš Župerl

The goal of the research is to develop a closed loop control system for position control of electrohydraulic servo drive useful for practical application. The...


 

Surface Modification of Aluminium Alloys with Laser Shock Processing

Uroš Trdan – José Luis Ocaña – Janez Grum

An adequate residual stress variation and frequently also improved corrosion resistance of a material are key requirements for usability of numerous machine ...


 

Surface Integrity of Shot Peened Aluminium Alloy 7075-T651

Uroš Zupanc ‒ Janez Grum

The objective of the present study was to investigate the effect of surface hardening by shotpeening (SP) on fatigue properties of high-strength aluminium alloy...


 

Creep Damage Calculation for Thermo Mechanical Fatigue

Domen Šeruga – Matija Fajdiga – Marko Nagode

For the needs of the creep damage prediction of thermo mechanically loaded components, software has been developed. It enables master curve determination using...


 

Fatigue Failure Study of the Lower Suspension Vehicle Arm Using a Multiaxial Criterion of the Strain Energy Density

Abdelhamid Saoudi ‒ Mohamed Bouazara ‒ Daniel Marceau

The objective of this study is to evaluate the potential of light alloy mechanical part use in automobile industry by studying their fatigue life using various...


 

Surface Integrity after Mechanical Hardening of Various Aluminium Alloys

Sebastjan Žagar - Janez Grum

The paper presents two types of aluminium alloys, EN AW 2007 and EN AW 6082, treated by shot peening in which the surfaces of the metals were subjected to cold...


 

A Study of Quality Parameters and Behaviour of Self-Piercing Riveted Aluminium Sheets with Different Joining Conditions

Jacek Mucha

This paper presents research progress in the assembly dimensional prediction area, using finite element analysis results. A case study of the SPR of two sheets ...


 

Melt Volume Flow Measurement in the Mineral-Wool Production Process

Jinpeng Chen - Marko Hočevar - Brane Širok

The quality of the end product in mineral wool production depends on the fiberisation process on the spinning machine. An important process variable is the...


 

Position Control with Parameter Adaptation for a Nano-Robotic Cell

Gregor Škorc - Jure Čas - Simon Brezovnik - Riko Šafarič

so-called nano-robotic cell is based on an X/Y manipulator, supported by three serving tables, movable within a Z axis, and a position controlled using two...


 

Optimization of Trapezoidal Cross Section of the Truck Crane Boom by Lagrange’s Multipliers and by Differential Evolution Algorithm (DE)

Milomir M. Gašić ‒ Mile M. Savković ‒ Radovan R. Bulatović

The cross sections of truck crane booms are complex box-like cross sections, which should provide continuous stress allocation. It is difficult to analytically...


 

Modeling Techniques of Nested Helical Structure Based Geometry for Numerical Analysis

Cengiz Erdönmez - Cevat Erdem İmrak

The aim of this paper is to introduce a new methodology of defining and modeling the nested helical structure (NHS) for wire ropes, and to present an accurate...


 

Improvement of Business Processes Performances through Establishment of the Analogy: Quality Management System – Human Organism

Aleksandar Vujović – Zdravko Krivokapić – Mirko Soković

This paper establish a model for improvement of business processes performances based on quality management system (QMS) through a comparison with top...


 

Real-Time Cutting Tool Condition Monitoring in Milling

Franci Čuš - Uroš Župerl

Reliable tool wear monitoring system is one of the important aspects for achieving a self-adjusting manufacturing system. The original contribution of the...


 

FPGA-Based Control System of an Ultrasonic Phased Array

Mário João Simões Ferreira dos Santos - Jaime Batista dos Santos

One of the main features of ultrasonic phased arrays is the ability to create an ultrasonic focused beam by applying time-delayed signals to each one of the ...


 

Energy Savings in Building with a PCM Free Cooling System

Uroš Stritih - Vincenc Butala

Alternative solutions for cooling and ventilation of buildings have appeared in practice as a counterweight to energy wasting conventional systems. Free cooling...


 

Application of Genetic Algorithm into Multicriteria Batch Manufacturing Scheduling

Aleš Slak, Jože Tavčar, Jože Duhovnik

Technical innovations in the area of manufacturing logistics are introduced partially and thus fail to realize their full potential. In order to optimise the...


 

System Approach to Vehicle Suspension System Control in CAE Environment

Vladimir Popović - Branko Vasić - Miloš Petrović - Saša Mitić

In recent years, motor vehicles industry has shown a tendency of replacing electromechanical components by mechatronic systems with intelligent and autonomous...


 

The Effect of Electroless Ni Coating of SiC Particles on the Corrosion Behavior of A356 Based Squeeze Cast Composite

Burak Dikici - Cagri Tekmen - Mehmet Gavgali - Umit Cocen

The corrosion behavior of electroless Ni coated SiC particle reinforced squeeze cast aluminum based composite was investigated by potentiodynamic scanning (PDS)...


 

Rotating-Mirror Q-Switched Er:YAG Laser for Optodynamic Studies

Aleš Bizjak - Karolj Nemeš - Janez Možina

In this article a development of a simple, reliable and repeatable Q-switched Er:YAG laser with a pulse duration of 270 ns and energies up to 16 mJ in a TEM00...


 

Energy Saving Cooling-Unit for Plastic Moulding Machine

Darko Lovrec - Vito Tič

Compressed air is one of the major sources of energy consumption and also one of the most expensive types of energy. Consequently, special attention must be ...


 

Nonlinear Approach to Thin-Walled Beams with a Symmetrical Open Section

Nina Andjelić

The principle of virtual work is applied to thin-walled beams with a cross-section with the middle line of an arbitrary curvilinear shape and with a...


 

Analysis of Company Development Factors in Manufacturing and Service Company: a Strategic Approach

Jelena Borocki - Ilija Ćosić – Bojan Lalić – Rado Maksimović

Continuing company development requires the development of all segments (processes): technology development, organizational structure development, human ...


 

Shaping of Face Toothing in Flat Spiroid Gears

Roman Staniek

The paper deals with the theoretical basics of forming the face toothings in flat wheels of spiroid gears by means of a single cutting edge tool, using NC ...


 

Comparison between Elastic-Perfectly-Plastic Interfacial Free-Edge and Crack Tip Singular Fields

Liviu Marsavina, Andrew D. Nurse

The problem of the elastic and perfectly-plastic plane-strain asymptotic fields for the interfacial free-edge joint singularity is examined and compared with...


 

Fatigue Life Analysis of Aluminum Wheels by Simulation of Rotary Fatigue Test

Liangmo Wang, Yufa Chen, Chenzhi Wang, Qingzheng Wang

To improve the quality of aluminum wheels, a new method for evaluating the fatigue life of aluminum wheels is proposed in this paper. The ABAQUS software was...


 

Interrelation between ERP Modification and Modification Scheduling: Four SME Case Studies in Croatia

Stipe Čelar - Eugen Mudnić - Sven Gotovac

ERP customization and implementation requires significant resources and is a timely and complex project. ERP implementation became extremely demanding for SMEs...


 

Measuring Dynamic Loads on a Foldable City Bicycle

Miha Pirnat - Zdenko Savšek - Miha Boltežar

Strain gauges have been used to measure dynamic loads on a foldable bicycle while it is being ridden. Eight full, Wheatstone-bridge measuring points were used ...


 

Monitoring Gas Metal Arc Welding Process by Using Audible Sound Signal

Jožef Horvat - Jurij Prezelj - Ivan Polajnar - Mirko Čudina

The most frequently used arc welding process is gas metal arc welding (GMAW). Different methods are in use for monitoring the quality of a welding process. In...


 

Surface Defect Detection on Power Transmission Belts Using Laser Profilometry

Drago Bračun - Boštjan Perdan - Janez Diaci

Quality control in production of the power transmission belts currently relies mostly on visual inspection by skilled workers. They primary inspect belt ...


 

Focus Variation – a Robust Technology for High Resolution Optical 3D Surface Metrology

Reinhard Danzl - Franz Helmli - Stefan Scherer

This article describes and evaluates the focus variation method, an optical 3D measurement technique. The goal is to analyse the performance of the method on a ...


 

Study of Weak Electric Current Emissions on Cement Mortar under Uniaxial Compressional Mechanical Stress up to the Vicinity of Fracture

Antonios Kyriazopoulos - Ilias Stavrakas - Cimon Anastasiadis - Dimos Triantis

An experimental technique that deals with the detection of weak electric signals emitted during the application of temporal uniaxial stress on solid materials...


 

Electromagnetic Imaging Using Probe Arrays

Gerhard Mook - Fritz Michel - Jouri Simonin

Electromagnetic methods like eddy current technique do not provide images but merely produce local signals in a difficult-to- understand measurement plane....


 

NDT Based Process Monitoring and Control

Bernd Wolter - Gerd Dobmann - Christian Boller

The old focus on using automation was simply to increase productivity and reduce costs. Today, the purpose of automation has shifted to broader issues. Highly...


 

Electromagnetic Nondestructive Evaluation: Present and Future

Raimond Grimberg

Appearing more than 125 years ago, the electromagnetic nondestructive evaluation has transformed form “art” to an engineering science, which is recognized. ...


 

Application of Ultrasonic C-Scan Techniques for Tracing Defects in Laminated Composite Materials

Theodoros Hasiotis – Efstratios Badogiannis – Nicolaos Georgios Tsouvalis

In this paper practical ultrasonic C-scan techniques for NDT of laminated composite materials are developed and applied, with an aim to trace specific...


 

Lockin-Interferometry: Principle and Applications in NDE

Philipp Menner - Henry Gerhard - Gerd Busse

Interferometry is relevant for non-destructive evaluation (NDE) since dimensional changes much smaller than an optical wavelength result in detectable signals. ...


 

New Opportunities for NDT Using Non-Linear Interaction of Elastic Waves with Defects

Igor Solodov - Daniel Döring - Gerd Busse

When material is subjected to an intense load, its stiffness changes due to elastic nonlinearity. This effect is especially pronounced in damaged materials, so...



Leaflet SV-JME


 

 

Journal of Mechanical Engineering

in digital form


SV-JME-7-8-2017


SV-JME-6-2017


SV-JME-5-2017


SV-JME-4-2017

 

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