6th INTERNATIONAL MULTIDISCIPLINARY SCIENTIFIC SYMPOSIUM

UNIVERSITARIA SIMPRO 2014

10-11 OCTOBER 2014, PETROŞANI

CONFERENCE PROCEEDINGS

Editor: Victor ARAD

E-editors: Susana ARAD Nicolae-Ioan VLASIN

DISCLAIMER This book contains abstracts and complete papers approved by the Conference Reviewers and Committees. Authors are responsible for the content and accuracy. Information in the SIMPRO 2014 Conference Proceedings is subject to change without notice. No part of this book may be reproduced or transmitted in any form or by any means, for any purpose, without the express written permission of the International Multidisciplinary Scientific Symposium Editors and the Chairman of SIMPRO 2014. Copyright ©SIMPRO 2014 All Rights Reserved by the International Multidisciplinary Scientific Symposium Published by Universitas Publishing House, Universitatii str., no 20, 332006 Petrosani. Total print: 200 . ISSN–L 1842 – 4449 ISSN 2344 – 4754 INTERNATIONAL MULTIDISCIPLINARY SCIENTIFIC SYMPOSIUM UNIVERSITARIA SIMPRO, Secretariat Bureau Phone + 4 025 454 6112 Fax + 4 025 454 6112 E-mail simpro@upet.ro URL www.upet.ro/simpro/2014/

ORGANIZERS: UNIVERSITY OF PETROSANI & INCD -INSEMEX PETROSANI

Under the auspices: ACADEMY OF TECHNICAL SCIENCES OF ROMANIA

GENERAL ASSOCIATION OF ENGINEERS IN ROMANIA, AGIR

In partnership with*: ALUMNI ASSOCIATION OF THE UNIVERSITY OF PETROSANI,

CARPATCEMENT HOLDING S.A

HUNEDOARA COUNTY COUNCIL

HUNEDOARA ENERGY COMPLEX

MAXAM ROMANIA

NATIONAL SOCIETY OF COAL IN PLOIEŞTI

OLTENIA ENERGY COMPLEX - MINING DIVISION,

ROSIA MONTANA GOLD CORPORATION ALBA IULIA

S.C. DEVA GOLD

TOWN HALL OF THE MUNICIPALITY OF PETROŞANI

TOWN HALL OF THE MUNICIPALITY VULCAN

TOWN HALL OF PETRILA

* Alphabetical ordered

COMMITTEE MEMBERS†: Conference Chair:

Prof. dr. Victor ARAD, University of Petrosani, ROMANIA

Honorary President: Prof. dr. Aron POANTA, University of Petrosani, ROMANIA

Honorary Members:

Prof. dr. Nicolae DIMA, Ph. D., University of Petrosani, ROMANIA

Prof. dr. Dumitru FODOR, Member of the Academy of Technical Sciences, ROMANIA

Prof. dr. Nicolae ILIAS, Member of the Academy of Technical Sciences, ROMANIA

Prof.dr. Emil POP, University of Petrosani, ROMANIA

Vice-chairs:

Assoc. Prof. dr. Codruta DURA, University of Petrosani, ROMANIA

Dr. George Arthur GĂMAN, INCD-INSEMEX Petrosani, ROMANIA

Assoc. Prof. dr. Marius MARCU, University of Petrosani, ROMANIA

Members:

Prof. dr. Mircea BARON, University of Petrosani, ROMANIA

Assoc. Prof. dr. Ioel VERES, University of Petrosani, ROMANIA

Assoc. Prof. dr. Nicolae PATRASCOIU, University of Petrosani, ROMANIA

Prof. dr. FOTAU, University of Petrosani, ROMANIA

Assoc. Prof. dr. Roland MORARU, University of Petrosani, ROMANIA

Assoc. Prof. dr. Claudia ISAC, University of Petrosani, ROMANIA

International scientific committee:

Prof. Newton AMEGBEY - University of Mines & Technology, Tarkwa, GHANA

Prof. Victor ARAD, University of Petrosani, ROMANIA

Prof. Sukumar BANDOPADHYAY – University of Alaska Fairbanks, Fairbanks, USA

Prof. Viliam BAUER - Technical University of Kosice, SLOVAK REPUBLIC

Prof. Jayanta BHATTACHARYA- Indian Institute of Technology, Kharagpur, INDIA

Prof. Ion BOSTAN – Technical University of Moldova, REPUBILIC OF MOLDOVA

Prof. Stanislaw CIERPISZ – Silesian University of Technology, Glivice, POLAND

Prof. Carsten DREBENSTEDT – Technical University Bergakademie Freiberg,

GERMANY

† Alphabetical ordered

Prof. Monika HARDYGÓRA – Wroclaw University of Technology, Wroclaw, POLAND

Prof. Vladimir KEBO – Technical University of Ostrava, CZECH REPUBLIC

Prof. Vadim L. PETROV – Moscow State Mining University, RUSSIA

Prof. Vladimir S. LITVINENKO – Saint Petersburg Mining University, RUSSIA

Dr. Constantin LUPU, Scientific Manager, INCD-INSEMEX, Petrosani, ROMÂNIA

Prof. Per Nicolai MARTENS – RWTH University, Aachen, GERMANY

Prof. Hani MITRI – McGill University, Montreal, CANADA

Prof. Ivan NISHKOV – University of Mining and Geology “Ivan Rilski”, Sofia,

BULGARY

Prof. Jan PALARSKI – The Silesian University of Technology, Glivice, POLAND

Prof. George PANAGIOTU – National Technical University of Athens, GREECE

Prof. Pavel PAVLOV – University of Mining and Geology “Ivan Rilski”, Sofia,

BULGARY

Prof. Gennadiy PIVNYAK – National Mining University, Dnipopetrovsk, UKRAINE

Dr. Raj SINGHAL- Int. Journal of Mining, Reclamation and Environment, Editor-in-

Chief, Calgary, CANADA

Prof. Mostafa Mohamed TANTAWY - Assiut University, EGYPT

Prof. Lyuben TOTEV - University of Mining and Geology “Ivan Rilski”,

Sofia, BULGARY

Prof. Ingo VALGMA – Tallinn University of Technology, ESTONIA

Prof. Isik YILMAZ- Cumhuriyet University, Sivas, TURKEY

Acad. Dorel ZUGRAVESCU- Corresponding member of the Romanian Academy,

Bucuresti, ROMANIA

National scientific committee:

Prof. Ioan BUD – Technical University, Cluj Napoca, North Centre, Baia Mare,

ROMANIA

Prof. Mihai COLOJA PASCU – Oil and Gas University, Ploieşti, ROMANIA

Prof. Carmen FLOREA- University of Petrosani, ROMANIA

Prof. Mircea GEORGESCU- University of Petrosani, ROMANIA

Dr. Emilian GHICIOI –INCD INSEMEX Petroşani, ROMANIA

Prof. Sabina IRIMIE– University of Petroşani, ROMANIA

Prof. Wilhelm W. KEKS – University of Petroşani, ROMANIA

Prof. Mariana MAN – University of Petroşani, ROMANIA

Prof. Gheorghe MANOLEA – University of Craiova, ROMANIA

Prof. Radu MUNTEANU – Technical University of Cluj-Napoca, ROMANIA

Prof. Marin NAN – University of Petroşani, ROMANIA

Prof. Mircea POPA – Polytechnic University of Timisoara, ROMANIA

Prof. Sorin RADU - University of Petroşani, ROMANIA

Assoc. Prof. Ilie RĂSCOLEAN – University of Petroşani, ROMANIA

Prof. Ilie ROTUNJEANU- University of Petrosani, ROMANIA

Prof. Romulus SARBU- University of Petrosani, ROMANIA

Prof. Flavius Dan SURIANU, Polytechnic University of Timişoara, ROMANIA

Dr. Niculae VOINOIU, Labour Inspection, Bucuresti, ROMANIA

Technical committee

Prof dr. susana ARAD, University of Petroşani, ROMANIA

Lecturer Felicia ANDRIONI, University of Petroşani, ROMANIA

Lecturer Madalina BALAETI, University of Petroşani, ROMANIA

Oana BARAIAC Ph.D Stud., University of Petroşani, ROMANIA

Lecturer Daniela CIOLEA, University of Petroşani, ROMANIA

Lecturer Stela DINESCU, University of Petroşani, ROMANIA

Lecturer dr. Larisa FILIP, University of Petroşani, ROMANIA

Lecturer Mihaela GHICAJANU, University of Petroşani, ROMANIA

Assoc. Prof. Mirela MONEA, University of Petroşani, ROMANIA

Lecturer Florin G. POPESCU, University of Petroşani, ROMANIA

Eng. Marius SUVAR Ph. D Stud, University of Petroşani, ROMANIA

REVIEWERS: Prof. dr. Iosif ANDRAŞ Prof. dr. Nicolae ILIAS

Prof. dr. Susana ARAD Prof. dr. Sabina IRIMIE

Prof. dr. Victor ARAD Assoc. Prof. dr. Claudia ISAC,

Prof. dr. Mircea BARON Assoc. Prof. dr. Dumitru JULA

Prof. dr. Ioan BUD Prof. dr. Wilhelm W. KEKS

Prof. dr. Nicolae DIMA Prof. dr. Maria LAZĂR

Lecturer dr. Stela DINESCU Prof. dr. Mariana MAN

Assoc. Prof. dr. Emilia DUNCA Assoc. Prof. dr. Marius MARCU

Assoc. Prof. dr. Codruţa DURA Conf. dr. Roland MORARU

Assoc. Prof. dr. Imola DRIGĂ Prof. dr. Marin NAN

Prof. dr. Carmen FLOREA Assoc. Prof. dr. Liliana SAMOILA

Prof. dr. Dumitru FODOR Prof. dr. Romulus SARBU

Lecturer dr. Larisa FILIP Prof. dr. Constantin SEMEN

Dr. Artur GAMAN Assoc. Prof. dr. Nicolae PATRASCOIU

Prof. dr. Mirceaa GEORGESCU Prof. dr. Sorin RADU

Dr. Emil GHICIOI Conf. dr. Ilie RĂSCOLEAN

CONTENT

Alphabetical index 2

SECTION 1 - SAFETY AND ENVIRONMENT ENGINEERING

1.1. USING POTENTIAL OF BIOTECHNOLOGIES FOR ENVIRONMENTAL PROTECTION Ildiko Tulbure

6

1.2. ASSESSING RISK IN RAIL TRANSPORT AND ADMINISTRATION OF NON-INTEROPERABLE RAILWAY INFRASTRUCTURES WITHIN S.C. GRUP TRANSPORT FEROVIAR S.A Roland Iosif Moraru, Mihai Popescu-Stelea

12

1.3. INCREASING THE SECURITY ON PERFORMING BLASTING IN OPEN-CAST MINING, WITH THE ENSURANCE OF SEISMIC PROTECTION TO THE INDUSTRIAL / CIVIL OBJECTIVES SITUATED IN THEIR VICINITY Gabriel Vasilescu, Emilian Ghicioi, Attila Kovacs, Edward Gheorghiosu, Stefan Ilici , Ilie-Ciprian Jitea, Sorin Bordos

18

1.4. ROLE OF JIU VALLEY HARD COAL DEPOSITS BETWEEN EASTERN AND WESTERN EUROPEAN ENERGETIC CONSTRAINTS Grigore Buia, Csaba Lorinţ, Ciprian Nimară, Radu Lupuleac

22

1.5. DEVELOPMENT AND IMPLEMENTATION OF WATER AND SOIL SAMPLING, ASSAYING AND ASSESSMENT PROCEDURES MEANT TO DETERMINE THE HUMAN IMPACT ON THE ENVIRONMENT Kovacs Marius, Gheţie Gheorghe, Toth Lorand , Călămar Angelica

28

1.6. ANTHROPIC IMPACTS ON THE ENVIRONMENTAL FACTORS AND ITS REDUCTION MEASURES WITHIN THE OLTET MINING PERIMETER Dumitrescu Ioan, Nimară Ciprian

33

1.7. EXPERIMENTAL RESULTS FOR INTERNAL RESISTANCE VARIABILITY OF TESTING APPARATUS FOR LOW CURRENT CIRCUITS IN EXPLOSIVE ATMOSPHERES Marius Darie, Sorin Burian, Jeana Ionescu, Tiberiu Csaszar, Lucian Moldovan, Cosmin Colda, Adriana Andriş

39

1.8. ENSURING THE SAFETY AND PRESERVATION OF THE HEALTH OF THE WORKERS BY THE USE OF PERSONAL PROTECTIVE EQUIPMENT (PPE) IN THE MINING INDUSTRY Crăciun Nicoleta

45

1.9. ANALYSIS OF THE MEASURES FOR NOX EMISSIONS REDUCTION RESULTING FROM FOSSIL FUELS BURNING AT DEVA THERMAL POWER PLANT FOR COMPLIANCE WITH THE EU ENVIRONMENTAL STANDARDS Gheorghe Laurentiu Dobrei

50

1.10. ASPECTS REGARDING MONITORING OF AIR POLLUTANTS EMISSIONS Călămar Angelica, George Artur Găman, Kovacs Marius, Toth Lorand,

58

1.11. STUDY OF SO2 EMISSIONS RESULTED FROM COMBUSTION OF JIU VALLEY COAL Liana Simona Sbirna, Clementina Sabina Moldovan

65

1.12. RESEARCH ON THE CHANGES OF THE RESCUERS HEART RATE DURING TRAINING Daniel Pupazan, Artur George Găman, Cosmin Ilie, Alin Irimia

69

1.13. CALCULATION MODEL OF THE ALTITUDE MODIFICATION AS A RESPONSE OF THE GEOMORPHOLOGIC SYSTEM FOLLOWING ANTHROPOGENIC ACTIVITIES OF MINERAL RESOURCES EXPLOITATION Buia Grigore, Nimară Ciprian

75

1.14. THE USE OF ROBOTS IN UNDERGROUND RESCUE ACTIONS Alin Irimia, George Artur Găman, Daniel Pupăzan, Cosmin Ilie

78

1.15. INFLUENCE OF GAS GENERATED BY DETONATION OF EXPLOSIVES FOR CIVIL USES, ON THE WORK ENVIRONMENT Attila Kovacs, Cristian Raul Cioara, Gabriel Vasilescu, Emilian Ghicioi, Edwar, Gheorghiosu, Daniela-Carmen Rus, Ilie-Ciprian Jitea

84

1.16. INDICATORS OF SUSTAINABLE DEVELOPMET IN MINING Alina Adela Davidoiu

87

1.17. DESIGN OF CENTRIFUGAL HYDRAULIC CLASSIFIERS BASED ON HYDRODYNAMIC SIMILITUDE Catalin Vranceanu, Romulus Sârbu

92

1.18. DETERMINING THE AVALANCHE RISK INTO THE PARANG MOUNTAIN Roxana Herbei, Aronel Matei, Mihai Herbei

96

1.19. RISK ASSESSMENT POLLUTION AND ECOTOXICOLOGICAL EFFECTS IN SITES ABANDONED MINING INDUSTRY IN ROMANIA Dunca Emilia, Ciolea Daniela

100

1.20. THE HUMAN FACTOR INFLUENCE ON THE ECOSYSTEM OF BATS Daniela Ionela Ciolea, Emilia Cornelia Dunca

106

1.21. THE STUDY OF FOAMING POWER OF SOME FOAM STICKS USED FOR DRAINING WATER FROM GAS WELLS Andra Tămaș, Martin Vincze

111

1.22. NOISE ATTENUATION DUE TO PROPAGATION ENVIRONMENT PRODUCED BY MINING BAND CONVEYORS FROM OPEN PIT Aurora Stanci, Andreea Cristina Stanci, Dorin Tataru

117

SECTION 2 - MINING ENGINEERING, SURVEYING AND CADASTRIAL AREA

2.1. EVOLUTION OF COAL EXPLOITATION IN VALEA JIULUI DURING THE

REORGANIZATION PROGRAMS AFTER 1990 Fănel-Radu Lupuleac, Eugen,Cozma, Ilie Onica

121

2.2. PLOTTING THE CHARACTERISTIC CURVES FOR MINE VENTILATION FANS USING THE „VENTMEX” SOFTWARE Corneliu Boantă, Constantin Lupu, Nicolae-Ioan Vlasin, Doru Cioclea, Ion Gherghe

125

2.3. NECESSITY TO VERIFY THE VENTILATION SYSTEMS OPERATING IN POTENTIALLY EXPLOSIVE AND/OR TOXIC ENVIRONMENTS Florin Rădoi, Doru Cioclea, Constantin Lupu, Ion Gherghe, Corneliu Boantă, Emeric Chiuzan

130

2.4. RESEARCH REGARDING THE CURRENT STATE AND THE LATEST TRENDS IN CONSTRUCTION AND EXPLOITATION OF MINING POWER SUPPLY SYSTEMS István-Adrian Szép, Marin Silviu Nan

134

2.5. ANALYSIS OF MECHANIZED MINING TECHNOLOGIES FOR THE ROMANIAN ROCK SALT DEPOSITS Ilie Onica, Eugen Cozma

140

2.6. LANDFILL CAPACITY ASSESMENT AT WASTE DUMP VALEA ARSULUI - VULCAN COLLIERY Adrian Florea, Maria Lazăr, Csabi Lorinţ

148

2.7. MEASURES, PROGRAMS AND LAWS ON THE RESTRUCTURING OF THE MINING ACTIVITIES IN ROMANIA AND THE EUROPEAN UNION Marin Silviu Nan, Mariana Negru

154

2.8. ANALYSIS OF AERODYNAMIC PARAMETERS SPECIFY A MAIN LOCAL STATIONS Marius Simion Morar, Doru Cioclea, Ion Gherghe, Adrian Matei

159

2.9. TESTING THE RESISTANCE OF THE PROTECTIVE CLOTHING AGAINST CHEMICAL AGENTS IN ORDER TO ASSESS THEIR CONFORMITY Irina Nălboc, Constantin Lupu, Maria Prodan , Andrei Moţa Szolloşi

163

2.10. PRIOR ESTABLISHMENT OF WORK ENVIRONMENT CHARACTERISTICS IN CASE OF THE OCCURRENCE OF AN UNDERGROUND EXPLOSION Doru Cioclea, Constantin Lupu, Ion Gherghe, Florin Rădoi, Corneliu Boantă, Cristian Tomescu, Marius Cornel Şuvar, Nicolae Ioan Vlasin, Vlad Mihai Păsculescu

168

2.11. TECHNICAL-ECONOMIC INDICATORS FOR THE ASSESSMENT OF TECHNOLOGICAL SCHEMES OF MINES Inga Rosioru, Nicolae Iliaş

174

2.12. DIMENSIONING THE COAL FACES AND USE OF THE DESIGN SOFTWARE IN THE USED TECHNOLOGICAL CRITERION FROM OLTENIA’S LIGNITE COAL PITS D. Antonie, V. Ogarlici, I.C. Predoiu, Mioara Brujan (Predoiu)

179

2.13. CONDITIONS OF MANAGEMENT BY VALUES IN MINING COMPANIES Jan Kudelko, Agata Juzyk, Leszek Zaremba

185

2.14. CONTRIBUTION TO SOLVING GEOMETRIC LEVELING UNDERGROUND NETWORKS Ofelia-Larisa Filip, Nicolae Dima, Ioel Veres

192

2.15. METHODS OF VALUING REAL ESTATEIN GERMANY Stelling Wilhelm

195

2.16. USE INDEPENDENT PATHWAY TO TROUBLE POLYGONAL TOPOGRAPHY PIRCING MINING Ofelia-Larisa Filip, Nicolae Dima

203

2.17. POSSIBILITY OF SOLVING PROBLEMS IN CADASTRE Ioel Veres, Nicolae Dima, Ofelia-Larisa Filip

206

2.18. CONSIDERATIONS ON OVERALL STABILITY OF GAP CREATED, IN 22 DECEMBER 2010, IN TOWN OCNA MUREŞ, COUNTY ALBA Raluca Farcaş, Nicolae Dima

209

SECTION 3 - ROCK MECHANICS AND GEOTECHNICAL

APPLICATIONS; CIVIL ENGINEERING

3.1. RESEARCH ON LOAD CARRYING CAPACITY OF BASE TERRAINS OF

THE WASTE DUMPS IN JIU VALLEY Maria Lazar, Adrian Florea, Florin Faur

213

3.2. GEOMECHANICS SURVEYS ON THE STABILITY OF SOME ACTIVE WASTE DUMPS IN JIU VALLEY Oana Bărăiac, Victor Arad, Susana Iancu (Apostu), Gheorghe Lasc, Vlad Cosma

219

3.3. PROGRESSIVE COLLAPSE SCENARIO SIMULATION Andrei Bindean , Valeriu Stoian

225

3.4. CONSTRUCTION, DESIGN AND EVALUATION OF TAILINGS DAMS FOR NEW MINING PROJECTS Vlad Cosma, Gheorghe Lasc, Oana Bărăiac, Susana Iancu

231

3.5. CRITICAL ASPECTS ON SYSTEMS ECOLOGY EXPLORATION AND EXPLOITATION OF SHALE GAS Lazăr Avram, Monica Emanuela Stoica, Tudora Cristescu

237

3.6. MUCK CLASSIFICATION: RAW MATERIAL OR WASTE IN TUNNELLING OPERATION Claudio Oggeri, Taddeo Maria Fenoglio, Raffaele Vinai

240

3.7. IMPLEMENTATION OF REAL TIME GEOTECHNICAL MONITORING AT AN OPEN PIT MOUNTAIN COAL MINE IN WESTERN CANADA Brian Klappstein, Gheorghe Bonci, Wayne Maston

250

SECTION 4 - ELECTRICAL ENGINEERING AND ENERGETICS

4.1. ANALYSIS OF FAULTS IN EXPLOSION PROOF ELECTRIC DRIVES AND

CONCERNS FOR MODERNIZING THE MAINTENANCE AND REPAIRS OF MOTORS OPERATING IN EXPLOSIVE ATMOSPHERES Magyari Mihai, Burian Sorin, Friedmann Martin, Moldovan Lucian, Fotău Dragoş, Colda Cosmin

263

4.2. THE NEW EUROPEAN DIRECTIVE REGARDING THE EXPOSURE OF WORKERS TO THE RISKS ARISING FROM PHYSICAL AGENTS Beiu Constantin, Buica Georgeta, Antonov Anca Elena

269

4.3. MEASURING AND ADJUSTING THE TEMPERATURE WITH CPU 224 PLC AND TD 200 OPERATOR INTERFACE SIEMENS Gabriel Nicolae Popa, Iosif Popa, Corina Maria Diniş, Angela Iagăr

275

4.4. UPON ACHIEVEMENT OF THE USUAL FUNCTIONS OF TIME WITH PS-3 PLC KLÖCKNER- MOELLER Iosif Popa, Gabriel Nicolae Popa, Corina Maria Diniş, Sorin Ioan Deaconu

283

4.5. FUTURE OF COAL AND CHALLENGES IN ENERGY FIELD Susana Arad, Liliana Samoila

289

4.6. REDUCING ELECTRICITY CONSUMPTION AT WINDING MACHINES OPERATED BY INDUCTION MOTOR USING POWER ELECTRONICS Ilie Uţu, Stochiţoiu Maria Daniela

295

4.7. USING THE EASY PROGRAMABLLE LOGIC CONTROLLERS TO THE MINING CONVEYORS BELT IN JILT OPEN PIT Stochiţoiu Maria Daniela, Uţu Ilie

301

4.8. METHODS FOR DETERMINING THE INSULATION RESISTANCE Teodora Hristova

305

4.9. CONSIDERATIONS REGARDING THE TORQUE TEST FOR BUSHINGS AND THERMAL SHOCK TEST, APPLICABLE TO ELECTRICAL EQUIPMENT DESIGNED FOR USE IN EXPLOSIVE ATMOSPHERES Moldovan Lucian, Burian Sorin, Friedmann Martin, Magyari Mihai,Fotău Dragoş, Colda Cosmin

311

4.10. LOW POWER EMBEDDED SYSTEM APPROACH FOR POWER QUALITY CONTROL Gheorghe Marc, Mircea Risteiu, Ioan Ileana

315

4.11. THE IMPORTANCE OF OLTENIA’S COAL Antonie Daniel, Ogarlaci Vasile, Predoiu Ionut Cosmin, Brujan (Predoiu) Mioara

321

4.12. DESIGN AND SIMULATION OF HYBRID ISOLATED LOW POWER SYSTEM Sorin Deaconu, Marcel Topor, Corina Daniela Cunţan, Ioan Baciu, Gabriel Nicolae Popa, Corina Maria Diniş

325

4.13. ANALYSIS OF THERMIC STABILITY IN SHORT CIRCUIT REGIME OF ELECTRIC DISTRIBUTION NETWORKS CONDUCTOR Leon Pana, Florin Gabriel Popescu, Liliana Samoila, Razvan Slusariuc

331

4.14. THE QUANTIFICATION OF ENERGY EFFECT OF LOSSES IN TRANSPORT AND DISTRIBUTION HEATING NETWORK Mija Eduard Aurelian, Iliaş Nicolae, Preda Lucian

335

SECTION 5 - SYSTEM CONTROL, APPLIED INFORMATICS AND

COMPUTER ENGINEERING

5.1. A SOLUTION FOR MONITORING CONVEYOR BELT

Nicolae Patrascoiu, Ioana Camelia Barbu, Cecilia Roşulescu

339

5.2. INFORMATION ROUTING IN WIRELESS SENSOR NETWORKS Popa Ionut-Alin, Pop Emil

343

5.3. INTELLIGENT SOFTWARE APPLICATION FOR CONTROL AND MONITORING OF DEGASSING PROCESS Vali Sirb, Angela Egri, Emil Sergiu Andras

351

5.4. CHEAP WIRELESS MONITORING SOLUTION OF THE CONDITION FOR ELECTRIC MOTORS Bogdan Sochirca, Aron Poanta

357

5.5. MODELING AND SIMULATION OF A BIOENERGY SYSTEM FOR CAMPUS OF THE UNIVERSITY OF PETROSANI Adrian Nicolae Dinoiu, Emil Pop, Ioana Camelia Barbu

361

5.6. USING VIRTUAL INSTRUMENTATION IN DISTRIBUTED CONTROL SYSTEMS Nicolae Patrascoiu, Ioana Camelia Barbu, Cecilia Roşulescu

367

5.7. SIMATIC "LADDER" PROGRAM FOR A CONVEYOR BELT Casavela Stelian Valentin, Casavela Cristofor, Csavela Antonio

371

5.8. MODELING AND SIMULATION OF THE VECTORIAL CONTROL SYSTEM WHICH CONTAIN AN EXTENDED GOPINATH OBSERVER Corneliu Mandrescu, Olimpiu Stoicuta, Nadia Stoicuta

378

SECTION 6 - MECHANICAL ENGINEERING AND TRANSPORT

6.1. PRODUCTION OF CONSTRUCTION MATERIALS FROM POWER

INDUSTRY WASTE Anghelescu Lucica, Chiroiu Corina-Natalia, Radu Sorin Mihai, Dinescu Stela

384

6.2. STRUCTURAL, FUNCTIONAL AND ENERGETIC MARKERS OF REFRIGERATING INSTALLATIONS Vătavu Sorin, Vătavu Niculina

390

6.3. PROPERTIES OF FORM FITTING SAFETY COUPLINGS Stefan Vöth, Jan Sippel

396

6.4. DIAGNOSIS OF WINDING ENGINE BRAKE MECHANISM IN BLIND SHAFT No. 15 IN PETRILA MINE Itu Răzvan-Bogdan

400

6.5. BREAKING CASE REHABILITATION AND TECHNICAL VERIFICATION OF BREAKING SYSTEM IN THE MK 2,1×4 WINDING ENGINE MOUNTED IN LONEA MINE SKIP SHAFT Itu Vilhelm, Itu Răzvan-Bogdan

404

6.6. RESEARCH AND CONTRIBUTIONS REGARDING THE OPERATION OF A STATIONARY MONITORING SYSTEM FOR GAS LEAKS AND EMISSIONS IN TERMS OF COALFIELD AND POWERPLANT AREAS Silviu Marin Nan, Adrian Bogdan Șimon

408

6.7. STATE OF STRAIN AND DISPLACEMENTS FROM THE STRUCTURE OF THE EXTRACTING TOWER IN THE CASE OF APPLICATION OF THE SAFETY BRAKE Pop Ioan-Alexandru, Radu Sorin-Mihai

413

6.8. STUDY ON THE RESISTANCE OF THE CHASSIS-TANK CONNECTION TO THE LOADS THAT APPEAR IN USE Radu Sorin , Tănăsoiu Bogdan, Aonofriesei Ioan

419

6.9. TESTS ON INERTISATION OF OIL SLUDGE RESULTED FROM OIL EXTRACTION ACTIVITIES Rus Ioan-Constantin, Pop Gheorghe

423

6.10. THE DECREASE OF THE MECHANICAL STRESSES AND THE REDUCTION OF THE DISTORTIONS OCCURED IN THE FLEXIBLE JOINTS OF THE GLIDING STEEL TIMBERING Simaschevici Alexandru, Simaschevici Horia

430

6.11. STRUCTURAL AND FUNCTIONAL SOLUTIONS FOR THE IMPROVEMENT OF THE SLIDING STEEL MINE TIMBERING Simaschevici Alexandru, Simaschevici Horia

435

6.12. METHODOLOGY OF ESTABLISHING RESIDUAL LIFETIME OF LIFTING INSTALATION BY NON-DESTRUCTIVE METHODS Florin Vîlceanu, Sorin Mihai Radu, Mihai Carmelo Ridzi

439

6.13. THERMAL ENERGY BALANCE FOR THE BLOCK NO. 5 AT C.T.E. MINTIA POWER PLANT Dobrei Gheorghe Laurenţiu, Petrilean Dan Codruţ, Conţ Ioan, Crişan Claudiu Doinel, Traian Vasiu

442

6.14. ON THE EFFECTS CAUSED BY THE SHOCK DURING RAILWAY VEHICLE BUFFING Copaci Ion, Tănăsoiu Aurelia, Aonofriesei Ioan

446

6.15. RESEARCH ON THE CONSTRUCTION AND FUNCTION OF THE ROAD VEHICLES SUSPENSION SYSTEMS Nan Marin-Silviu , Secara Monia-Camelia, Grecea Dănuţ, Popescu Dorina

450

6.16. THE STUDY OF CONSTRUCTIVE FUNCTIONAL ASPECTS OF THE STEERING SYSTEM FOR MOTOR ROAD STEADS Secară Monia Camelia, Nan Marin-Silviu, Ţuţuianu Gabriel, Grecea Danuţ

463

6.17. RESEARCH ON THE POSSIBILITIES OF IMPROVING THE VULCANIZATION RUBBER CONVEYOR BELTS Armăşoiu Petre, Florea Vlad-Alexandru

475

6.18. OPTIMUM DESIGN OF A MULTIPLE-PIPE ABOVE-GROUND PIPELINE Zoltán Virág

479

6.19. GRAPHICAL INTERFACE FOR EXPERIMENTAL ANALYSIS OF NONDESTRUCTIVE TESTING OF DRILL PIPES Stan Ioana-Gabriela, Niculae Georgrta-Claudia

483

6.20. STUDY THE POSSIBILITIES OF IMPROVING TECHNOLOGICAL EQUIPMENT MAINTENANCE ACTIVITY FROM QUARRIES Tihanov Tănăsache Daniel, Florea Vlad-Alexandru

489

6.21. STUDY ON THE ESTIMATION OF THE DEMAND OF SPARE PARTS BY USING THE RENEWAL PROCESS Tomuș Ovidiu-Bogdan, Kovacs Iosif, Jula Dumitru

493

6.22. MANAGEMENT OF THE VENTILATION NETWORK AT VULCAN MINING UNIT Morar Marius-Simion, Radu Sorin-Mihai, Cioclea Doru, Gherghe Ion

497

6.23. STUDY OF THE MINING PRODUCTION SYSTEMS, PROCESSES AND COMPONENTS USING ARTIFICIAL INTELLIGENCE METHODS Stela Dinescu, Andrei Andras

506

6.24. THE SYNTHESIS COMPLEX MECHANISM OF GUIDING ROOF SUPPORTS FOR THE COAL MINING Dimirache Gabriel, Zamora Adriana

512

6.25. OPPORTUNITIES FOR USING THE FINITE ELEMENT METHOD BY COMPUTER RESEARCH ON A ROTARY CRUSHER OF THE ECCENTRIC TYPE 800Dx75 Iliev Zhivko, Perenovski Nikolay

516

6.26. SIMPLE PULLEY BLOCK TO HOIST THE SKIP IN LUPENI MINE Dumitrescu Iosif, Itu Răzvan-Bogdan

522

6.27. PRESENT STAGE AND TENDENCIES IN THE MANAGEMENT AND MONITORING MODERNIZATION SYSTEMS OF EXTRACTION Grecea Dănuţ, Nan Marin-Silviu

528

6.28. RESEARCH AND RESULTS REGARDING ENVIRONMENTAL PROTECTION DURING THE REVERSE OSMOSIS USED FOR THE TREATMENT OF WASTEWATER FROM URANIUM PROCESSING Stănilă Sorina-Daniela, Jula Dumitru

534

6.29. SUBLEVEL CAVING SHIELDS AND THEIR UTILIZATION IN MINING OUT DISTURBED THICK COAL SEAMS Kamburov Stefan Milenov, Molnár, József

539

SECTION 7 - MATHEMATICS, PHYSICS, INFORMATICS

7.1. INTEGER TRIANGLES WITH INTEGER MEDIANS

Nicolae Nicolae

543

7.2. BUILDING A DATA WAREHOUSE FOR UNIVERSITY FROM PETROŞANI Preda Mircea

548

7.3. GENERATE GRAPHICAL TREE STRUCTURES FROM DATA STRUCTURES DBF Preda Mircea

554

SECTION 8 - MANAGEMENT AND MARKETING

8.1. ECONOMIC EFFICIENCY OF QUALITY

Buşe Florian, Dobriţoiu Nicolae, Mangu Sorin-Iuliu, Buşe Gheorghe-Florin

557

8.2. LEADERSHIP CHALLENGES OF TODAY'S MANAGERS: OVERVIEW OF APPROACHES AND A STUDY IN ROMANIA Irimie Sabina, Băleanu Virginia, Suciu Cristina, Filip Elena

563

8.3. HIGH PERFORMANCE WORK PRACTICES FOR HUMAN RESOURCES - AMO MODEL Munteanu Anca-Ioana

569

8.4. THE DYNAMICS OF CLUSTERING PROCESSES IN EUROPE Mădălina Maticiuc

573

8.5. ENGINEERING AND MANAGEMENT AT THE UNIVERSITY OF PETROSANI Edelhauser Eduard, Csiminga Diana, Tiuzbaian Ioan Nicolae, Munteanu Rares, Furdui Ersilia

577

8.6. THE ROLE OF INNOVATION IN ENTREPRENEURIAL DEVELOPMENT Mihaela Ghicajan, Dobre-Baron Oana

582

8.7. QFD BASED SOFTWARE FOR AN INNOVATIVE MEDICAL DEVICE ANALYSIS Andreea Ionica, Monica Leba, Remus Dobra

586

SECTION 9 - ECONOMICS AND PUBLIC ADMINISTRATION

9.1. SOME USEFUL TOOLS FOR MARKET SEGMENTATION: CRITERIA,

STRATEGIES AND METHODS Codruţa Dura, Imola Drigă

592

9.2. THE FINANCIAL SECTOR AND THE ROLE OF BANKS IN ECONOMIC DEVELOPMENT Imola Drigă, Codruţa Dura

598

9.3. FINANCIAL GLOBALIZATION: CONCEPTS AND MAIN TRENDS Valentina Fetiniuc, Ivan Luchian

604

9.4. ONLINE CENTRALIZATION OF ECONOMIC AGENTS DECLARATIVE STATEMENTS Alin Isac, Claudia Isac

614

9.5. ISSUES CONCERNING THE MAIN TOOLS OF FINANCIAL PLANNING AND CONTROL IN THE PUBLIC SYSTEM Maria Măcriş

618

9.6. ROMANIAN INSURANCE MARKET: SIZE, STRUCTURE AND TRENDS Mirela Monea, Ana Preda

624

9.7. THE ANALYSIS OF GROSS WRITTEN PREMIUMS IN THE MAJOR REGIONS OF THE WORLD, BEFORE, DURING AND AFTER FINANCIAL CRISIS Ana Preda, Mirela Monea

628

9.8. THE PREROGATIVE OF IMPLEMENTING AN EFFECTIVE INTERNAL CONTROL OF INVENTORIES IN THE ECONOMIC ENTITIES Bogdan Răvaş

634

9.9. DEVELOPMENT OF ACCOUNTING THEORY FROM THE PERSPECTIVE OF COMPLEXITY OF FINANCIAL INSTRUMENTS Sabin Armăşelu

638

9.10. CORPORATE PERFORMANCE DETERMINANTS. EVIDENCE OF DIFFERENCES ACROSS SECTORS Sorana Vătavu

642

9.11. CONSIDERATIONS REGARDING TO ACHIEVING THE FINANCIAL EQUILIBRIUM TO MICRO ECONOMICAL LEVEL Ilie Răscolean, Slusariuc Gabriela

648

9.12. COMPETITIVENESS - KEY FOR ECONOMIC DEVELOPMENT. STUDY CASE AMONG THE CENTRAL AND EASTERN ECONOMIES IN EU Emilia Ungureanu, Felix-Constantin Burcea

654

SECTION 10 - SOCIO - HUMAN SCIENCES. PHILOLOGY

10.1. JIU VALLEY`S DEMOGRAPHIC DIMENSIONS AT THE INTERSECTION

OF SOCIO-ECONOMIC TRANSFORMATIONS Felicia Andrioni, Mariana Anghel, Lavinia Elisabeta Popp

660

10.2. THE MINER CALENDAR. 1935-1938 Baron Mircea, Dobre-Baron Oana

666

10.3. EMOTIONAL INTELLIGENCE AND JOB PERFORMANCE Eisler Izabella

670

10.4. CURATIVE EDUCATION PERSPECTIVE ON TEMPERAMENTS Golăşie Mironică

676

10.5. VICTORIAN AGE – A CONTEXT Lavinia Hulea

682

10.6. STUDY THE POSSIBILITY OF INCREASING THE CAPACITY OF SERVICE OF MINING GROUNDWATER BY IMPROVEMENT OF PHYSICAL STATE Ilioni Cristian, Marin Silviu Nan

688

Alphabetical index

A C

Andras A. 6.23 Casavela A. 5.7 Andras E.S. 5.3 Casavela C. 5.7 Andrioni F. 10.1 Casavela S.V. 5.7 Andriş A. 1.7 Călămar A. 1.5, 1.10 Anghel M. 10.1 Chiroiu C.N. 6.1 Anghelescu L. 6.1 Chiuzan E. 2.3 Antonie D. 2.12, 4.11 Cioara C.R. 1.15 Antonov A.E. 4.2 Cioclea D. 2.2, 2.3, 2.8, 2.10, 6.22 Aonofriesei I. 6.8, 6.14 Ciolea D.I. 1.19, 1.20 Arad S. 4.5 Colda C. 1.7, 4.1, 4.9 Arad V. 3.2 Conţ I. 6.13 Armăselu S. 9.9 Copaci I. 6.14 Armășoiu P. 6.17 Cosma V. 3.2, 3.4 Avram L.3.5 Cozma E. 2.1, 2.5 Crăciun N. 1.8 Crişan C.D. 6.13 Cristescu T. 3.5 Csaszar T. 1.7 Csiminga D. 8.5 Cunţan C.D. 4.12 B D

Baciu I. 4.12 Darie M. 1.7 Barbu I.C. 5.1, 5.5, 5.6 Davidoiu A.A. 1.16 Baron M. 10.2 Deaconu S. 4.4, 4.12 Băleanu V. 8.2 Dima N. 2.14, 2.16, 2.17, 2.18 Bărăiac O. 3.2, 3.4 Dimirache G. 6.24 Beiu C. 4.2 Dinescu S. 6.1, 6.23 Bindean A. 3.3 Diniş C.M. 4.3, 4.4, 4.12 Boantă C. 2.2, 2.3, 2.10 Dinoiu A.D. 5.5 Bonci, Gh. 3.7 Dobra R. 8.7 Bordos S. 1.3 Dobre –Baron O. 8.6, 10.2 Brujan (Predoiu) M. 2.12, 4.11 Dobrei G.L. 1.9, 6.13 Buia G. 1.4, 1.13 Dobriţoiu N. 8.1 Buica G. 4.2 Drigă I. 9.1, 9.2 Burcea F.C. 9.12 Dumitrescu I. 1.6 Burian S. 1.7, 4.1, 4.9 Dumitrescu If. 6.26 Buşe F. 8.1 Dunca E., 1.19, 1.20 Buşe G.F. 8.1 Dura C. 9.1, 9.2

E H

Edelhauser E. 8.5 Herbei M. 1.18 Egri A. 5.3 Herbei R. 1.18 Eisler I. 10.3 Hristova T. 4.8 Hulea L. 10.5 F I

Farcaş R., 2.18 Iagăr A. 4.3 Faur F. 3.1 Iancu S. 3.2, 3.4 Fenoglio, T.M. 3.6 Ileana I. 4.10 Fetiniuc V. 9.3 Iliaş N. 2.11, 4.14 Filip E.8.2 Ilici Ş. 1.3 Filip O.L. 2.14, 2.16, 2.17 Ilie C. 1.12, 1.14 Florea A. 2.6, 3.1 Iliev Z. 6.25 Florea V.A. 6.17, 6.20 Ilioni C. 10.6 Fotău D. 4.1, 4.9 Ionescu J. 1.7 Friedmann M. 4.1, 4.9 Ionică A. 8.7 Furdui E. 8.5 Irimia A. 1.12, 1.14 Irimie S. 8.2 Isac A. 9.4 Isac C. 9.4 Itu R.B. 6.4, 6.5, 6.26 Itu V. 6.5 Ivan L. 9.3 G J

Găman A.G. 1.10, 1.12, 1.14 Jitea I.C. 1.3, 1.15 Gheorghiosu E. 1.3, 1.15 Jula D. 6.21, 6.28 Gherghe I. 2.2, 2.3, 2.8, 2.10, 6.22 Juzyk, A. 2.13 Gheţie G. 1.5 Ghicajan M. 8.6 Ghicioi E. 1.3, 1.15 Golăşie M. 10.4 Grecea D. 6.15, 6.16, 6.27 K N

Kamburov S.M. 6.29 Nan M.S. 2.4, 2.7, 6.6, 6.15, 6.16, 6.27, 10.6 Kovacs A. 1.3, 1.15 Nălboc I. 2.9 Kovacs I. 6.21 Negru M. 2.7 Kovacs M. 1.5, 1.10 Nicolae N.7.1 Kudelko, J. 2.13 Niculae G.C. 6.19 Klappstein, B. 3.7 Nimară C. 1.4, 1.6, 1.13

L O Lasc G. 3.2, 3.4 Ogarlaci V. 2.12, 4.11 Lazăr M. 2.6, 3.1 Onica I. 2.1, 2.5 Leba M. 8.7 Oggeri, C. 3.6 Lorinţ C. 1.4, 2.6 Lupu C. 2.2, 2.3, 2.9, 2.10 Lupuleac R. 1.4, 2.1 M P

Magyari M. 4.1, 4.9 Pană L. 4.13 Mangu S.I. 8.1 Păsculescu V.M. 2.10 Marc G. 4.10 Pătrășcoiu N. 5.1, 5.6 Maston, W. 3.7. Perenovski N. 6.25 Matei Ad. 2.8 Petrilean D.C. 6.13 Matei Ar. 1.18 Poanta A. 5.4 Maticiuc M. 8.4 Pop E. 5.2. 5.5 Măcriș M. 9.5 Pop G. 6.9 Mândrescu C. 5.8 Pop I.A. 6.7 Mija E.A. 4.14 Popa G.N. 4.3, 4.4, 4.12 Moldovan C.S. 1.11 Popa I. 4.3, 4.4 Moldovan L. 1.7, 4.1, 4.9 Popa I.A. 5.2 Molnár J. 6.29 Popescu D. 6.15 Monea M. 9.6, 9.7 Popescu F.G. 4.13 Morar M.S. 2.8, 6.22 Popescu-Stelea M. 1.2 Moraru R.I. 1.2 Preda A. 9.6, 9.7 Munteanu A. 8.3 Preda L. 4.14 Munteanu R. 8.5 Preda M. 7.2,7.3 Predoiu I. C. 2.12, 4.11 Prodan M. 2.9 Pupăzan D. 1.12, 1.14 R T

Radu S.M. 6.1, 6.7, 6.8, 6.12,6.22 Tămas A. 1.21 Rădoi F. 2.3, 2.10 Tănăsoiu A. 6.14 Răscolean I. 9.11 Tănăsoiu B. 6.8 Răvaș B. 9.8 Tătaru D. 1.22 Ridzi M.C. 6.12 Tihanov Tănăsache D. 6.20 Risteiu M. 4.10 Tiuzbaian I. N. 8.5 Roșioru I. 2.11 Tomescu C. 2.10 Roșulescu C. 5.1, 5.6 Tomuş O.B. 6.21 Rus I.C. 6.9 Topor M. 4.12 Rus D.C. 1.15 Toth L. 1.5, 1.10 Tulbure I. 1.1 Tutuianu G. 6.16

S U

Samoila L. 4.5, 4.13 Ungureanu E. 9.12 Sârbu R. 1.17 Uțu I. 4.6, 4.7 Sbirna L.S. 1.11 Secara M.C. 6.15, 6.16 V Simaschevici A. 6.10,6.11 Simaschevici H. 6.10,6.11 Vasilescu G. 1.3, 1.15 Sippel J. 6.3 Vasiu T. 6.13 Sîrb V. 5.3 Vătavu N. 6.2 Slusariuc G. 9.11 Vătavu Sorana 9.10 Slusariuc R. 4.13 Vătavu Sorin. 6.2 Sochirca B. 5.4 Veres I. 2.14, 2.17 Stan I.G. 6.19 Vinai, R. 3.6 Stanci A. 1.22 Vincze M. 1.21 Stanci A.C. 1.22 Virág Z. 6.18 Stănilă S.D. 6.28 Vîlceanu F. 6.12 Stelling W. 2.15 Vlasin N.I. 2.2, 2.10 Stochițoiu M.D. 4.6, 4.7 Vöth S. 6.3 Stoian V. 3.3 Vrânceanu C. 1.17 Stoica M.E. 3.5 Stoicuța N. 5.8 Stoicuța O. 5.8 Suciu C. 8.2 Szép I.A. 2.4 Szolloşi-Moţa A. 2.9 Ş Z

Șimon A.B. 6.6 Zamora A. 6.24 Şuvar M.C. 2.10 Zaremba, L. 2.13