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61 Pages·2017·6.12 MB·English

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04-06 July 2018
Zlatibor, Serbia
„International Conference of Experimental and Numerical
Investigations and New Technologies“

CNN TECH 2018
04-06 July 2018
Hotel Mona, Miladina Pecinara 26, Zlatibor, Serbia
http://cnntechno.com

Programme
and
The Book of Abstracts

Organised by:
Innovation Center of Faculty of Mechanical Engineering
Faculty of Mechanical Engineering, University of Belgrade
Center for Business Trainings

Sponsored by:
Ministry of Education, Science and Technical development of the

Republic of Serbia
Title: International Conference of Experimental and Numerical
Investigations and New Technologies – CNN TECH 2018
PROGRAMME AND THE BOOK OF ABSTRACTS
Publisher: Innovation Center of Faculty of Mechanical Engineering
Kraljice Marije 16, 11120 Belgrade 35
tel: [phone], fax [phone]
e-mail: [email protected]
web site: http://cnntechno.com, http://www.inovacionicentar.rs
Editors: Dr Nenad Mitrovic, Assistant Professor
Dr Milos Milosevic, Senior Scientific Researcher
Dr Goran Mladenovic, Assistant Professor
Technical editor Dr Goran Mladenovic, Assistant Professor
Cover page: Dr Goran Mladenovic, Assistant Professor
Printed in: Innovation Center of Faculty of Mechanical Engineering
Kraljice Marije 16
11120 Belgrade 35
tel: [phone]
Circulation: 70 copies. The end of printing: July 2018.

ISBN: 978-86-7083-979-3
Copyright© 2018 International Conference of Experimental and Numerical
Investigations and New Technologies – CNN TECH 2018
“International Conference of
Experimental and Numerical
Investigations and New Technologies”
CNN TECH 2018

SCIENTIFIC COMMITTEE:
Miloš Milošević, Serbia (chairman) Valentin Birdeanu, Romania
Nenad Mitrović, Serbia (co-chairman) Danilo Nikolić, Montenegro
Aleksandar Sedmak, Serbia Goran Mladenović, Serbia
Hloch Sergej, Slovakia Bajić Darko, Montenegro
Dražan Kozak, Croatia Tasko Maneski, Srbija
Nenad Gubeljak Slovenia Luis Reis, Portugal
Monka Peter, Slovakia Žarko Mišković, Serbia
Snežana Kirin, Serbia Tozan Hakan, Turkey
Samardžić Ivan, Croatia Nikola Momčilović, Serbia
Martina Balać, Serbia Traussnigg Udo, Austria
Mládková Ludmila, Czech Republic Zoran Janjus, Bosnia and Herzegovina
Johanyák Zsolt Csaba, Hungary Gordana Bakić, Serbia
Igor Svetel, Serbia Katarina Čolić, Serbia
Aleksandra Mitrović, Serbia Jovan Tanasković, Serbia

ORGANIZING COMMITTEE:
Nenad Mitrović (chairman)
Miloš Milošević (co-chairman)
Aleksandar Sedmak
Martina Balać
Igor Svetel
Goran Mladenović
Aleksandra Mitrović
Aleksandra Dragicević
Žarko Mišković
Katarina Čolić
Milan Travica
ACKNOWLEDGEMENT

The organizing committee of the 2nd International Conference of Experimental and
Numerical Investigations and New Technologies – CNN TECH 2018 wishes to
sincerely thank all the institutions and individuals who by means of personal
engagement and constructive action helped organizing this conference.
We particularly wish to thank our sponsor, The Ministry of Education, Science and
Technological development, Government of the Republic of Serbia.
PREFACE

Dear Friends and Colleagues, Welcome to CNN Tech 2018 Conference and the
fabulous mountain of Zlatibor!
With 40 papers (17 by international authors) and contributions by authors from 11
different countries, International Conference of Experimental and Numerical
Investigations and New Technologies CNN Tech 2018 successfully sets the high
level for the future conferences. Participation of a large number of domestic and
international authors, as well as the diversity of topics, justifies our efforts to organize
this conference and contribute to exchange of knowledge, research results and
experience of industry experts, research institutions and faculties which all share a
common interest in the field in experimental and numerical investigations.
This year CNN Tech 2018 focuses on the following topics:
− Mechanical Engineering,
− Materials Science,
− Chemical and Process Engineering,
− Experimental Techniques,
− Numerical Methods,
− New Technologies.
Apart from a plenty of interesting lectures, the participants will have a chance to
lighten up and communicate in friendly and relaxed settings.
Organizing committee of CNN Tech 2018 would like to express gratitude to Ministry
of Education, Science and Technological development for financial support of the
Conference.
On behalf of the Innovation center of Faculty of Mechanical Engineering, Faculty of
Mechanical Engineering and Center for Business Trainings, we wish this to be
splendid CNN Tech conference filled with many memorable moments.

PROGRAMME AND ORGANIZING COMMITTEE
CONTENTS

PROGRAMME ................................................................................................................................. i

ABSTRACTS .................................................................................................................................. 1

Mechanical Engineering ............................................................................................................... 2
Emina S Dzindo
J-INTEGRAL IN ELASTO-PLASTIC FRACTURE ................................................................... 3
Natasa A. Kablar
HEAT AND ELECTRICITY PRODUCTION FROM BIOMASS................................................. 4
Jasmina Lozanovic Sajic,Maja Djurovic-Petrovic, Sasa Petrovic
AUTOMATIC DETECTION OF CARBON MONOXIDE (CO) IN THE GARAGES OF
RESIDENTIAL AND COMMERCIAL BUILDINGS ................................................................... 5
Jovan D. Tanaskovic, Martina M. Balac
STATIC STRENGTH ANALYSES OF THE STEEL STRUCTURE OF BIOMASS
RESERVOIR UNDER HYDROSTATIC PRESSURE ............................................................... 6
Stefan G. Culafic
NUMERICAL AND EXPERIMENTAL ANALYSIS OF STRENGTH OF STRUCTURAL
ELEMENTS IN HYDRO - POWER PLANTS ........................................................................... 7
Mirko Dobrnjac, Milos Markovic
THE SOLAR MEASUREMENT STATION FOR EXAMINATION OF THE THERMAL
RECEIVER FOR SOLAR ENERGY ......................................................................................... 8
Milan Travica, Nenad Mitrovic, Aleksandar Petrovic
COMPARISON BETWEEN DIFFERENT CALCULATION PROCEDURES OF LOADS
CAUSED BY TEMPERATURE DILATATION IN PIPELINES ................................................. 9
Snezana Kirin
INNOVATION MANAGEMENT- LEAN ENTERPRISE .......................................................... 10
Darko Jocic, Velimir Cirovic, Dragan Aleksendric
IDENTIFICATION AND RECOGNITION OF VEHICLE ENVIRONMENT USING
ARTIFICIAL NEURAL NETWORKS...................................................................................... 11
Boris Kosic, Misa Stojicevic, Zorana Jeli, Branislav Pokonstantinovic, Aleksandra
Dragicevic
DESIGN STUDY OF THE DIFERENT METAMATERIAL SHAPES ....................................... 12
Aleksandra Dragicevic, Boris Kosic, Zorana Jeli
THE NEW METHOD FOR REMOVING HIGHLY CORRELATED VARIABLES FROM
DATASETS ........................................................................................................................... 13

Materials Science ........................................................................................................................ 14
Ivan Tanasic, Ljiljana Tihacek Sojic
ANALYSING SAMPLES AND SPECIMENS IN DENTAL BIOMECHANICS ....................... 15
Aleksandra D. Mitrovic, AleksandraLj.Dragicevic, Dejana P. Popovic, Manuel Conte,
Dragomir M. Stamenkovic
TGA AND DTA ANALYSIS OF SOFT CONTACT LENSES BASED ON POLY
(HYDROXYETHYL METHACRYLATE) AND FULLERENES ............................................ 16
Reljic M. Mirjana, Stojiljkovic T. Stanisa, Stepanovic M. Jovan, Lazic B. Branislava, Milena
S. Stojiljkovic
EXPLORATION OF THE CHANGES OF PROPERTIES OF WATER VAPOUR
RESISTANCE OF Co/PES FABRICS DURING MAINTENANCE ......................................... 17
Aleksandra Mitrovic, Nenad Mitrovic, Dejana Popovic, Milos Milosevic, Vladimir Miljkovic
EXPERIMENTAL STUDY OF TEXTILE DEFORMATION USING 3D DIGITAL IMAGE
CORRELATION METHOD .................................................................................................... 18
T. Jovanovic, Dj. Koruga, A. Mitrovic, D. Stamenkovic, M. Tomic, J. Sakota-Rosic and M.
Cvetkovic
IR SPECTROSCOPYOF THE HIGHER FULLERENE C84-D2:22 FOR ITS
QUALITATIVE AND QUANTITATIVE DETERMINATION ..................................................... 19

Chemical and Process Engineering .......................................................................................... 20
Ivan M. Buzurovic, Dragutin Lj. Debeljkovic, Darko M. Radojevic, Goran V. Simeunovic
ASYMPTOTIC STABILITY OF SINGULAR TIME DELAY SYSTEMS: LYAPUNOV’S
APPROACH BASED ON JENSEN’S AND COPPEL’S INEQUALITY ................................. 21
Ivan M. Buzurovic, Dragutin Lj. Debeljkovic, Aleksandra M. Jovanovic, Goran V.
Simeunovic
LYAPUNOV STABILITY OF DISCRETE DESCRIPTOR DELAYED SYSTEMS:
APPROACH BASED ON CONVOLUTION AND JENSEN’S INEQUALITY .......................... 22
Milena S. Stojiljkovic, StanisaT. Stojiljkovic, Bratislav Z. Todorovic, Mirjana M. Reljic
PHASE CHANGE BIODEGRADABLE MATERIALS BASED ON ORGANICALLY
MODIFIED CLAY, PARAFFIN AND WASTE FATTY ACID (MONG) .................................... 23
Sanja Dobrnjac, Mirko Dobrnjac, Jelena Penavin Skundric, Ljubica Vasiljevic, Stevan
Blagojevic, Zvjezdana Sandic
POSSIBILITY FOR REMOVING PRODUCTS OF THERMAL DEGRADATION OF
EDIBLE OIL BY NATURAL ALUMINOSILICATES ............................................................... 24
Nenad Mitrovic
APPLICATION OF 3D DIGITAL IMAGE CORRELATION METHOD IN PROCESS
ENGINEERING ...................................................................................................................... 25
Nebojsa Manic, Bojan Jankovic, Dragoslava Stojiljkovic, Vladimir Jovanovic, Martina
Balac
TGA-DSC-MS ANALYSIS OF PYROLYSIS PROCESS OF VARIOUS BIOMASSES
WITH ISOCONVERSIONAL (MODEL-FREE) KINETICS ...................................................... 26
Marta Trninic, Dusan Todorovic, Aleksandar Jovovic, Dragoslava Stojiljkovic, Øyvind
Skreiberg, Liang Wang, Nebojsa Manic
MATHEMATICAL MODELLING AND PERFORMANCE ANALYSIS OF A SMALL-
SCALE COMBINED HEAT AND POWER SYSTEM BASED ON BIOMASS WASTE
DOWNDRAFT GASIFICATION ............................................................................................. 27

Experimental Techniques ........................................................................................................... 28
Vuk Adžic, Mustafa Makhzoum, Aleksandar Milivojevic and Miroljub Adžic
RESEARCH OF LEAN PREMIXED COMBUSTOR BY CHEMILUMINESCENCE
TOMOGRAPHY ..................................................................................................................... 29
Aleksandra Mitrovic, Nenad Mitrovic, Dejana Popovic, Milos Milosevic, Dusan Antonovic
BIOMECHANICAL BEHAVIOR OF RESIN BASED CEMENTMAXCEM ELITE ................... 30
Jovan D. Tanaskovic, Aleksandra D. Mitrovic, Francis J. Franklin, Dragan D. Milkovic
IMPACT OF DENSITY OF POLYURETHANE FOAM ON ABSORPTION POWER OF
ENERGY ABSORBER .......................................................................................................... 31
Martina Balac
STRUCTURAL OPTIMIZATION OF PRESSURE VESSELS USING FEA ............................ 32
Vera Cerovic, Dragan Milkovic, Aleksandar Grbovic, Sasa Radulovic, Jovan Tanaskovic
EXPERIMENTAL MEASUREMENTS OF THE STRESSES IN THE LOWER LINK OF
THE THREE-POINT HITCH MECHANISM ............................................................................ 33
Martina Balac, Aleksandar Grbovic
MULTIPARAMETER STRUCTURAL OPTIMIZATION OF PRESSURE VESSEL WITH
TWO NOZZLES ..................................................................................................................... 34
Milos Milosevic, Srdan Postic, Nenad Mitrovic, Aleksa Milovanovic, Milan Travica, Sergej
Hloch, Zorana Golubovic
STRAIN MEASUREMENT SETUP OF COMPRESSIVELY LOADED MANDIBLE
MODEL WITH TEETH AND COMPENSATIONS .................................................................. 35

Numerical Methods ..................................................................................................................... 36
Maksimovic S. Katarina, Vasovic V. Ivana, Maksimovic S. Mirko, Dragi Stamenkovic
DETERMINATION OF FRACTURE MECHANICS PARAMETERS OF STRUCTURAL
COMPONENTS UNDER THERMOMECHANICAL LOADS .................................................. 37
Nikola Mirkov, Nenad Vidanovic, Gordana Kastratovic
AN OPEN SOURCE SOFTWARE LIBRARY FOR COMPUTATIONAL CONTINUUM
MECHANICS ......................................................................................................................... 38
Zarko Miskovic, Radivoje Mitrovic, Milan Tasic, Marko Tasic and Ján Danko
APPLICATION OF FINITE ELEMENT METHOD FOR DETERMINATION OF AXIAL
LOAD ON CONVEYOR WING ROLLERS............................................................................. 39
Miodrag Milcic, Tomaz Vuherer, Igor Radisavljevic, Dragan Milcic
EXPERIMENTAL INVESTIGATION OF MECHANICAL BEHAVIOUR OF AL 2024
ALLOY WELDED BY FRICTION STIR WELDING ................................................................ 40
Natasa A. Kablar
COMPUTATIONAL STUDY OF WNT SIGNALING PATHWAY IN ALZHEIMER
DISEASE ............................................................................................................................... 41
Katarina Colic, Aleksandar Grbovic, Aleksandar Sedmak, Kaled Legweel, Uros Tatic
NUMERICAL METHODS IN ASESSMENT OF HIP IMPLANT DESIGN AND INTEGRITY ... 42

New Technologies ...................................................................................................................... 43
Ivana Vlajic Naumovska, Zeljko Despotovic, Borko Cupic
USAGE OF DC-DC CONVERTERS ...................................................................................... 44
Natasa A. Kablar
WIRELESS ROBOT ARM CONTROL BASED ON ARDUINO MICROCONTROLLER ......... 45
Aleksa Milovanovic, Milos Milosevic, Goran Mladenovic, Blaz Likozar, Katarina Colic,
Nenad Mitrovic
ACCURACY OF POLYMER ELECTROLYTE MEMBRANE (PEM) FUEL CELL
REFORMER PROTOTYPES USING FDM AND SLA 3D PRINTING TECHNOLOGY IN
COMPARISON WITH DIGITAL CAD MODEL ....................................................................... 46
Goran M. Mladenovic, Marko J. Milovanovic, Ljubodrag M. Tanovic, Tim J. Jones, Milos
D. Pjevic
MANUFACTURING AND GEOMETRY MEASUREMENT OF PARTS WITH FREE FORM
SURFACES ........................................................................................................................... 47