Facultatea de Inginerie Manageriala si Tehnologica MENIU COVERT INSTRUCTIONS FOR AUTHORS EDITORS PEER-REVIEW AIMS AND SCOPE ARTICLES 2005-2011 Indexed by :

ANNALS OF THE ORADEA UNIVERSITY. Fascicle of Management and Technological Engineering ISSN 1583 - 0691, CNCSIS "Clasa B+" 3 issues per year   MECHATRONICS : Industrial Robots, Mechanisms, Machine Elements, Fine Mechanics, Tribology, Sensors, A.I., Pneumatic and Hydraulic Systems ASPECTS REGARDING THE MECHATRONIC TRACKING SYSTEMS USED FOR IMPROVING THE PHOTOVOLTAIC CONVERSION Cătălin ALEXANDRU University ”Transilvania of Braşov”, Product Design & Robotics Dept. calex@unitbv.ro THE MEASUREMENT OF THE STRAIGHTNESS IN THE CASE OF LONG GUIDEWAYS, USING MODERN MEASUREMENT METHODS, NAMELY, THE LASER PhD. Eng. Flavius A. ARDELEAN University of Oradea aflavius@uoradea.ro A BIOMECANICAL MODEL OF THE HUMAN ARM lect. univ. dr. Mircea BĂRBUCEANU University of Piteşti, Faculty of Sciences, ROMANIA mircea_barbuceanu@yahoo.com COMPARATIVE ANALYSIS ON THE MAIN PARAMETERS INFLUENCE FOR THE PINION TEETH ADDENDUM THICKNESS IN EXTERNAL AND INTERNAL GEARS Cristina Andreea BOZAN, Cătălin Cornel GAVRILĂ University TRANSILVANIA of Braşov, Dept. of Product Design and Robotics cristina.bozan@unitbv.ro, cgavrila@unitbv.ro THE SEQUENCE MODULAR BLOCKS FOR THE AUTOMATISED PROCESSES COMMAND – PART 3 Braun, B; Ionescu, E; Drugă, C1 1TRANSILVANIA University of Brasov Precision Mechanics and Mechatronics Department braun@unitbv.ro pHFETs-CONSTRUCTION AND INSTRUMENTATION Braun B, Drugă C, Ionescu E 1 1 Universitatea „TRANSILVANIA” Braşov Catedra de Mecanică Fină şi Mecatronică braunb@unitbv.ro ON THE DEPENDENCE OF THE RECEIVED DIRECT SOLAR RADIATION ON THE PV PSEUDO-EQUATORIAL TRACKING STEPS’ NUMBER Bogdan BURDUHOS, Dorin DIACONESCU, Radu SAULESCU Transilvania University of Braşov, Product Design for Sustainable Development Center bogdan.burduhos@unitbv.ro, dvdiaconescu@unitbv.ro, rsaulescu@unitbv.ro THE WATER FRICTION BETWEEN THE WIPER BLADE AND THE WINDSHIELD Adrian-Constantin BUTA*. Claudiu POZNA** Transilvania University of Brasov, Product Design and Robotics Department *acbuta@unitbv.ro, **cp@unitbv.ro THE INFLUENCE OF SOME ANTIOXIDANTS OVER OILS AUTOOXIDATION REACTION USING LASER INTERFEROMETR-PART II Alina CĂRĂBAN1, Georgeta GAVRIŞ1, Gabriela BADEA2, Oana STĂNĂŞEL1, Naiana ŢARCĂ3 1University of Oradea, Faculty of Sciences, Universitatii St, No 1. Oradea, Department of Chemistry 2 University of Oradea, Faculty Energetics, Universitatii St, No 1. Oradea, 3 University of Oradea, Faculty of Economic Sciences, Universitatii St, No 1. Oradea acaraban@uoradea.ro, ggavris@uoradea.ro, gbadea@uoradea.ro, ostanasel@uoradea.ro, ntarca@uoradea.ro ORTHOTIC MECHATRONIC DEVICE Eng. Vladimir CÂRDEI1, Assoc. Prof. Gelu ONOSE2, Eng. Ştefan Tudorel CRĂCIUNOIU1, Eng. Valeriu AVRAMESCU1, Eng. Roxana GREJDANESCU1, Eng. Loredana Theodora PAUN1 1SC ICTCM Mechanical Engineering and Research Institute SA, 2The Clinical Emergency Hospital “Bagdasar – Arseni” Bucharest TRACKING SYSTEM FOR SOLAR THERMAL COLLECTOR Daniela CIOBANU1, Gheorghe MOLDOVEAN1 1Transilvania University of Braşov, Department of Product Design and Robotics daniela.ciobanu@unitbv.ro, ghmoldovean@unitbv.ro STUDY ON THE TENSION STATES OF THE MANDIBLE BY APPLYING THE FINITE ELEMENTS METHOD Marinela CIORTAN Inspectoratul Scolar Judetean Gorj THE BIOMECHANICAL MODELING OF TEMPOROMANDIBULAR JOINT DISC Marinela CIORTAN Inspectoratul Scolar Judetean Gorj UNDERWATER MANIPULATORS Anca CONSTANTIN, Octavian ROBU “Ovidius” University of Constanta aconstantina2003@yahoo.com MOTION LAWS DETERMINATION, ON EXPERIMENTAL WAY, OF JOINTS FROM THE HUMAN LOWER LIMB STRUCTURE FOR CERTAIN ACTIVITIES IMPOSED TO THE LOCOMOTOR APPARATUS Cristian COPILUŞI1 Nicolae DUMITRU1 Petrică CIOCAN1 1 Faculty of Mechanics – Department of Applied Mechanics University of Craiova cristache03@yahoo.co.uk STUDY REGARDING TO FRICTION AND WEAR OF TiN THIN FILMS Rodica COZMA Transilvania University, Braşov, Romania rocozma@rdslink.ro TRIBOLOGICAL RESEARCHES ON COMPOSITE MATERIALS Rodica COZMA Transilvania University of Braşov, Departament of Product Design and Robots, Romania rocozma@rdslink.ro Map24 AJAX API 2.0 Csokmai Lehel Szabolcs Universitatea din Oradea SILICON WAFERS ROTATION GRINDING METHOD AND SURFACE GRINDING ON A ROTARY TABLE Tiberiu DOBRESCU1, Florina ANGHEL1 1University Politehnica of Bucharest, Virtual Enterprises Management and Engineering Research Centre UPB-PREMINV tibidobrescu@yahoo.com, florina@mix.mmi.pub.ro SOME EXPERIMENTAL RESULTS REGARDING THE MOBILIZATION OF A REVOLUTE JOINT BY MEANS OF FLUIDIC MUSCLES Liliana DRAGAN1, Valentin CIUPE2 1North University of Baia-Mare, 2Politehnica University of Timisoara lilianaubm@email.ro THEORETICAL CONSIDERATIONS CONCERNING THE VARIATION LIMITS OF THE CHARACTERISTIC ANGLE OF THE BRAIDED SHELL Liliana DRAGAN1 Ioan NICOARA2 1North University of Baia-Mare, 2Politehnica University of Timisoara lilianaubm@email.ro LOGISTIC EQUATION – ORDER AND CHAOS Elena EFTIMIE “Transilvania” University of Braşov, Department of Product Design and Robotics eftimiem@unitbv.ro MORPHOLOGICAL THEORIES – REGULARITY AND IRREGULARITY Elena EFTIMIE “Transilvania” University of Braşov, Department of Product Design and Robotics eftimiem@unitbv.ro GEOMETRICAL DESIGN OF CUSTOM-MADE FEMORAL STEM PROSTHESES Mihai Ovidiu GHIBA, Lucian RUSU POLITEHNICA University of Timisoara, Department of Mechanics and Vibration ovidiu@cmpicsu.upt.ro, luck@cmpicsu.upt.ro TRANSITION IN THE FRETTING PHENOMENON BASED ON THE VARIABILE COEFFICIENT OF FRICTION Ştefan Ghimişi, Gheorghe Popescu, Gheorghe Gîrniceanu University “Constantin Brancusi”,Târgu Jiu, B-dul Republicii nr.1, 1400, Gorj, Romania ghimisi@utgjiu.ro, gepo@utgjiu.ro, girniceanu@utgjiu.ro RELATIVE ROTATION ANGLE BETWEEN SPINAL VERTEBRAE USING COMPLEX SHAPE MARKERS Corina GRUESCU1, Renata BODEA2, Alis GARAIMAN1, Marius COSTACHE1, Erwin LOVASZ1 1University Politehnica Timisoara, Mechatronics Department 2University of Oradea, Mechatronics and Fine Mechanics Department corina_gruescu@yahoo.com, prod.conf@rdslink.ro STUDY ON EFFICIENCY OF AN PARABOLIC REFLECTIVE SOLAR CONCENTRATOR Corina GRUESCU1, Renata BODEA2, Marius COSTACHE1 1University Politehnica Timisoara, Mechatronics Department 2University of Oradea, Mechatronics and Fine Mechanics Department corina_gruescu@yahoo.com, prod.conf@rdslink.ro CONTRIBUTIONS FOR ESTABLISHING THE RIGHT NUMBER OF NESTS THAT A CAST MUST HAVE Cornelia IONESCU LUCA1 1“Gh. Asachi” Technical University,Iassy, Romania cionescu@tex.tuiasi.ro AUTOMATIC SYSTEMS OF CAST MANIPULATION FOR THE MACHINES AND INJECTION AGGREGATES BUILT-UP FOR THE FOOTWEAR INDUSTRY Cornelia IONESCU LUCA 1 1“Gh. Asachi” Technical University,Iassy, Romania e-mail:cionescu@tex.tuiasi.ro THE SEQUENCE MODULAR BLOCKS FOR THE AUTOMATISED PROCESSES COMMAND – PART 1 Ionescu, E; Braun, B; Drugă, C1 1TRANSILVANIA University of Brasov Precision Mechanics and Mechatronics Department eionescu@unitbv.ro THE SEQUENCE MODULAR BLOCKS FOR THE AUTOMATISED PROCESSES COMMAND – PART 2 Ionescu, E; Drugă, C Braun, B1 1 TRANSILVANIA University of Brasov Precision Mechanics and Mechatronics Department eionescu@unitbv.ro AN APPLICATION OF ROBOT SIMULATION TO PALLETS Constantin ISPAS and Bogdan-Ion LUNGU University POLITEHNICA of Bucharest, Faculty of Engineering and Management of Technological Systems, Department of Machine and Manufacturing Systems ispas1002000@yahoo.fr, lungu_ib@yahoo.com DYNAMIC BEHAVIOUR OF A TRACKING SYSTEM WITH ONE DEGREE OF FREEDOM, USED FOR THE PLATE, DISH AND TROUGH TYPE SOLAR COLLECTORS Mihai-Tiberiu LATEŞ, Raluca-Septimia LATEŞ, Dorin DIACONESCU “Transilvania” University of Braşov, Product Design and Robotics Department latesmt@unitbv.ro, latesr@unitbv.ro, dvdiaconescu@unitbv.ro DYNAMIC BEHAVIOUR OF A TRACKING SYSTEM WITH TWO DEGREES OF FREEDOM USED FOR PV PANELS Mihai-Tiberiu LATEŞ “Transilvania” University of Braşov, Product Design and Robotics Department latesmt@unitbv.ro SOLAR COLLECTOR WITH VARIABLE PARAMETERS USED FOR EXPERIMENTAL TESTS Raluca LATEŞ Transilvania University of Brasov, Product Design and Robotics Department latesr@unitbv.ro FINITE ELEMENT ANALYSIS OF FLOW TUBES IN SOLAR THERMAL COLLECTORS Raluca LATES1, Ion VISA1 1University of Braşov, Department of Product Design and Robotics latesr@unitbv.ro, visaion@unitbv.ro THE NAVIGATION CONTROL OF A ROBOTIC STRUCTURE Laurean BOGDAN1, Gheorghe DANCIU2, Flaviu STANCIULEA3 1University LUCIAN BLAGA of Sibiu , 2Tera Impex SRL ,3Tera Impex SRL laurean.bogdan@ulbsibiu.ro, danciu@teraimpex.ro APPLICATIONS OF SHAPE MEMORY ALLOY ACTUATORS IN BIOMEDICAL ENGINEERING Dan MÂNDRU, Ion LUNGU, Simona NOVEANU, Olimpiu TĂTAR Technical University of Cluj-Napoca, Faculty of Mechanics Department: Mechanisms, Fine Mechanics and Mechatronics 400641, Cluj-Napoca, B-dul Muncii 103-105 Dan.Mandru@mmfm.utcluj.ro EXPERIMENTAL DETERMINATION OF TEMPERATURE IN ONE STAGE VAPOR COMPRESSION REFRIGERATION CYCLE Ioan MIHAI, Dan MILICI, Milan CRASI “Ştefan cel Mare” University Str. Universităţii nr. 13, 720 225 Suceava, Romania mihai.i@fim.usv.ro RESEARCH CONCERNING THE VARIATION OF THE PRESSURE ON THE UNDERSURFACE AND THE SUCTION FACE OF THE WING Ioan MIHAI, Dan MILICI, Milan CRASI “Ştefan cel Mare” University Str. Universităţii nr. 13, 720 229 Suceava ,Romania mihai.i@fim.usv.ro THE TRANSFORMING DIGITAL LIVING ROOM Cezar MIHALCESCU, Beatrice CIOLACU, Cristina TITRADE, Florentina PAVEL Universitatea Româno Americană cezar_mihalcescu@hotmail.com DYNAMIC MODELL ADEQUATE FOR ROBOT CONTROL Liviu MOLDOVAN “Petru Maior” University of Targu-Mures mliviu@upm.ro SAFETY CLUTCH WITH BALLS AND SPHERICAL SEATS RADIALLY DISPOSED WITH THRUST SYSTEM BASED ON THRUST DISC Gheorghe MOLDOVEAN1, Silviu POPA2 1Transilvania University of Braşov, Department of Product Design and Robotics, 2 Depoul CFR Braşov, Regionala Transport Feroviar Călători Brasov ghmoldovean@unitbv.ro, spopa@yahoo.com THE INFLUENCE OF GEOMETRICAL PARAMETERS ON THE ZB AND ZD GEARING FACTORS FOR EXTERNAL CYLNDRICAL GEARS Gheorghe MOLDOVEAN1, Doru VELICU1, Bogdan A. DEAKY1 1Transilvania University of Braşov, Department of Product Design and Robotics ghmoldovean@unitbv.ro, dvelicu@unitbv.ro, bogdan_deaky@xu.unitbv.ro ABOUT THE EVOLUTION OF THE LEICA LASER TRACKER/3D CMM METROLOGY Dorin V. NISTE1, Dorina CAPALB2, Ioan MIHAILA3 1. eng., drd., S.C. COMAU S.A., 2. eng., drd., lycee V. Voiculescu, 3. prof., PhD., University of Oradea lydy_s2000@yahoo.com GEOMETRIC MODELING ASSEMBLY OF HYDRAULIC SERVO STEERING GEAR Jelena Eric Obucina1 1 College of Technical and Mechanical Engineering Trstenik, Serbia jecaeric79@yahoo.com GENERALIZED EQUATION OF THE HELICAL WORM Gheorghe OPROESCU1 1“Dunarea de Jos” University of Galati, Engineering Faculty of Braila gheorghe.oproescu@ugal.ro KINEMATICAL ANALYSIS OF THE MECHANISM IN CASE OF HYDRAULIC MACHINES WITH AXIAL PISTONS AND WITH ROTATING MOTION TRANSMITTING BY MEANS OF CONNECTING RODS Simion Parepa Petroleum-Gas University of Ploieşti, Department of Oilfield and Petrochemical Equipment sparepa@upg-ploiesti.ro STRUCTURAL ANALYSIS OF THE MECHANISM IN CASE OF HYDRAULIC MACHINES WITH AXIAL PISTONS AND WITH ROTATING MOTION TRANSMITTING BY CONNECTING RODS Simion Parepa Petroleum-Gas University of Ploieşti, Department of Oilfield and Petrochemical Equipment sparepa@upg-ploiesti.ro THE STUDY OF A VIBRATING PISTON MOUNTED IN A RIGID BAFFLE Sorin PATER, Ion BRATU, Mitran TUDOR, Nicolae POLOJINTEF CORBU University of Oradea Economically study regarding modernizing of the final working of the car radiators through implementation of an articulated robot in a flexible manufacturing cell Silviu Mihai PETRISOR1, Vlad Darius DANCIU2, Călin Ciprian OłEL2 1Technical University of Cluj-Napoca, Department of Mechanics and Programming, 2 Department of Management silviumihai_petrisor@yahoo.com, vlad_danciu@yahoo.com, otel_calin@yahoo.com THE ASPECTS ABOUT RAPID PROTOTYPING SYSTEM Adrian P. POP1, Petru UNGUR1, Gheorghe BEJINARU MIHOC2 1University of Oradea, 2 “Transilvania” University of Brasov adippop@yahoo.com, petru_ungur@yahoo.com, bejinaru@unitbv.ro ABOUT FABRICATION OF MICROLENSES ARRAYS Adrian P. POP1, Petru UNGUR1, Gheorghe BEJINARU MIHOC2 1University of Oradea, 2 “Transilvania” University of Brasov adippop@yahoo.com; pungur@uoradea.ro; bejinaru@unitbv.ro CRACK CENTRE DEPTH AND RESIDUAL TENSIONS INFLUENCE ON STRESS INTENSITY FACTOR MODE I VARIATION IN THE HERTZIAN STRESSES FIELD OF GEAR TEETH Claudiu Ovidiu POPA, Lucian Mircea TUDOSE Technical University of Cluj – Napoca AN ANALYSIS OF THE STRESS INTENSITY FACTOR MODE II VARIATION UNDER INFLUENCES OF RESIDUAL TENSIONS AND THE POSITION OF THE CRACK CENTRE FOR AN INTERNAL CRACK SITUATED IN THE HERTZIAN STRESSES FIELD OF GEAR TEETH Claudiu Ovidiu POPA, Lucian Mircea TUDOSE Technical University of Cluj – Napoca THE TRACKING LINKAGE SYNTHESIS DESTINED TO DRIVE THE AZIMUTHAL MOTION FROM A PV TRACKER Valentina POPA, Ion VISA, Dorin DIACONESCU Transilvania University of Braşov, Product Design for Sustainable Development Center valentina.popa@unitbv.ro, visaion@unitbv.ro, dvdiaconescu@unitbv.ro HIDROPLAST CENTERING AND FASTENING MECHANISM Gheorghe POPESCU1, Ştefan GHIMIŞI1, Alin STANCIOIU1, Henrieta Luiza POPESCU2 1University Constantin Brâncuşi, Târgu Jiu 2Construction Materials High school, Tg.Jiu gepo@utgjiu.ro, ghimisi@utgjiu.ro, alin@utgjiu.ro, luiza@utgjiu.ro THE RESULTS OF THE RESEARCHES REGUARDING THE USE OF CAMS MECHANISMS IN ASSEMBLING ELECTRICAL DETONATORS Gheorghe POPESCU1, Ştefan GHIMIŞI1, Alin STANCIOIU1 1University Constantin Brâncuşi, Târgu Jiu gepo@utgjiu.ro, ghimisi@utgjiu.ro, alin@utgjiu.ro APPLICATIONS OF THE UNCERTAINTY REGIONS BASED WORKSPACE DEFORMATION MODELING Marius Sebastian RUSU1, Lucian GRAMA1 1”Petru Maior” University of Tîrgu Mures, Technological and Managerial Engineering Department sebyrusu@yahoo.com, lgrama@upm.ro THE DESIGN OF A DC MOTOR SPEED CONTROLLER Marius Sebastian RUSU1, Lucian GRAMA1 1”Petru Maior” University of Tîrgu Mures, Technological and Managerial Engineering Department sebyrusu@yahoo.com, lgrama@upm.ro UNMANNED AERIAL VEHICLES (UAVS) FOR SPECIAL OPERATIONS FORCES As.dr.ing.inf.Lavinia Ioana Săbăilă, as.drd. Manuela Odeta Belei University „Aurel Vlaicu” Arad THE STUDY OF RELATIVE MOVEMENTS FROM KINEMATICS COUPLES OF ROTATION AND TRANSLATION THROUGH HOMOGENEOUS OPERATORS As.dr.ing.Lavinia Ioana Săbăilă, prof.dr.ing.Ioan Radu, prof.dr.ing.Doina Mortoiu University „Aurel Vlaicu” Arad CONTRIBUTIONS TO CALCULUS, DESIGNING, MODELING AND CONSTRUCTIVE OPTIMIZATION OF A ROTATION MODULE FROM THE BASE OF AN ARTICULATED ROBOT Silviu Mihai PETRISOR1, Mihaela SIMION1, Viorel ISPAS1 1Technical University of Cluj-Napoca, Department of Mechanics and Programming silviumihai_petrisor@yahoo.com, mihap_elly@yahoo.com, ispasviorel@yahoo.com INFLUENCING FACTORS FOR THE MEASURING RESULTS. ERROR SOURCES AND SOME POSSIBILITIES TO REDUCE FOR THOSE ERRORS Marius STANESCU1, Constantin Anton MICU2 1Romanian Bureau of Legal Metrology of Constanta-Mass Laboratory, 2University POLITEHNICA of Bucharest-Department Devices and Measurement Systems mariustomy141267@yahoo.com MODELAREA DINAMICĂ A STRUCTURII PICIOR-GAMBĂ PENTRU MODEL ROBOT BIPED, CU MOTOARE ROTATIVE Ionel STEFAN*, Dorin DIACONESCU**, Petre ALEXANDRU*** Transilvania University of Brasov, Product Design and Robotics Department *simst7@yahoo.com, **dvdiaconescu@unitbv.ro, ***alex.p@unitbv.ro THE EXPERIMENTALLY DETERMINATION FOR THE ELASTIC AND SAFETY CLUTCH Ioan STROE "Transilvania" University of Braşov stroei@unitbv.ro STEPING ROBOT WITH FOUR FOOTS Ioan STROE Universitatea "Transilvania" din Braşov stroei@unitbv.ro COOPERATIVE LOGISTIC NETWORK INFORMATIONAL SYSTEM DEDICATED TO SME`s LOCATED AMONG E60 EUROPEAN ROAD Radu TARCA1, Marian TOPOLOGEANU2, Stefan VELICU3 1University of Oradea, 2 ICTCM Bucuresti 3 University Politehnica of Bucharest rtarca@uoradea.ro THE CAMERA CALIBRATION FOR A TELEROBOT SYSTEM Radu TARCA, Ildiko Pasc, Florin POPENTIU VLADICESCU, Ioan TARCA, Tiberiu VESELENYI University of Oradea rtarca@uoradea.ro, ildi.pasc@yahoo.com, popentiu@imm.dtu.dk, ctnelu@yahoo.com, tvesselenyi@yahoo.co.uk ROBOTIC SYSTEMS FOR INSPECTION AND EXPLORATION Olimpiu TĂTAR, Dan MÂNDRU Technical University of Cluj-Napoca, Faculty of Mechanics Department of Mechanisms, Fine Mechanics and Mechatronics 400641, Cluj-Napoca, B-dul Muncii 103-105 olimpiut@yahoo.com VACUUM ROBOT FOR CLEANING THE GLASS FRONTAGE OF THE BUILDINGS Lecturer .dr. eng. Dănuţ- Pavel TOCUŢ, lecturer. eng. Călin TRIPE-VIDICAN, univ. prof. dr. eng. Aron TRIPE-VIDICAN University of Oradea, Faculty of Managerial and Technological Engineering IMPLEMENTATION OF WORKING AND AUTOMATIZATION DEVICES IN A FLEXIBLE PROCESSING SISTEM Lecturer .dr. eng. Dănuţ-Pavel TOCUŢ, univ. prof. dr. eng. Aron TRIPE-VIDICAN, lecturer. eng. Călin TRIPE-VIDICAN University of Oradea, Faculty of Managerial and Technological Engineering UNIVERSAL PNEUMATIC EDUCATIONAL STAND Tripe Vidican Aron, Tripe Vidican Călin, Tocuţ Pavel Dănuţ, Pop Ovidiu University of Oradea tripetrophy@yahoo.com BIOMECATRONIC SIMULATOR DEVICE OF THE INFERIOR LIMB Călin Tripe Vidican – Aron Tripe Vidican – Dănuţ Pavel Tocuţ University of Oradea STUDY ABOUT THE BIOMECHANICAL MODEL OF THE CERVICAL SPINE Aurica TRUŢA1, Felicia Aurora POP1, Mariana ARGHIR1 1Technical University of Cluj-Napoca, Department of Mechanics and Programming auricatruta@yahoo.com, marianaarghir@yahoo.com THE TREATMENT BY DIFFUSION OF THE CONICAL ACTIVE SURFACES OF THE DRIVER DISK FOR THE REVOLUTIONS SPEED VARIATOR Petru UNGUR(1), Flavius A. ARDELEAN(2), Adrian P. POP(3) Dan Craciun(4) (1), (2), (3),(4) University of Oradea pungur@uoradea.ro, aflavius@uoradea.ro THEORETICAL ASPECTS REGARDING THE ELECTROMAGNETIC INDUCTION’S USE IN WARMING THE HEATING AGENT FOR THE CLOSED CIRCUIT HEATING INSTALLATIONS Petru UNGUR(1), Adrian P. POP (2), Flavius A. ARDELEAN (3), Carmen IANCU(4) (1), (2), (3), (4) University of Oradea pungur@uoradea.ro, aflavius@uoradea.ro ADAPTED STAND FOR TESTING FLAT PLATE SOLAR THERMAL COLLECTORS Radu VELICU1, Raluca LATEŞ1 1Transilvania University of Braşov, Department of Product Design and Robotics rvelicu@unitbv.ro, latesr@unitbv.ro   Copyright 2011 CNCSIS ACCREDITATION 2002-2004, "Clasa B" 2005-2006, "Clasa B+" 2007-2011