ISSN 1454 - 8003 Proceedings of 2016 International Conference on Hydraulics and Pneumatics - HERVEX November 9-11, Baile Govora, Romania

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CONTENTS

SECTION I: INDUSTRIAL HYDRAULICS AND MECHATRONICS

ANALYTICAL ESTIMATION OF AN EXTERNAL GEAR PUMP’S SPEED LIMIT

Markus KUNKIS, Jürgen WEBER

15 - 23

DYNAMICAL ANALYSIS OF COMPOUND PRESSURE RELIEF VALVE Basavaraj HUBBALLI, Vilas SONDUR

24 - 35

ASPECTS REGARDING AXIAL PROPELLER PUMPS PRINCIPLE OF OPERATION

Fănel ȘCHEAUA

36 - 40

TEMPERATURE CONTROL OF THE ELECTRICALLY HEATED OVEN PRODUCTION SYSTEM BY USING ZIEGLER-NICHOLS METHOD

Yusuf ALTUN, Ekrem BAŞER

41 - 45

HYDRAULIC CYLINDER WITH EMBEDDED DISTRIBUTION USED IN FERTILIZER INJECTORS

Sava ANGHEL, Gabriela MATACHE, Gheorghe SOVAIALA, Alina POPESCU, Alexandru MARINESCU

46 - 49

DIGITAL HYDRAULIC MOTORS Petrin DRUMEA, Ioan PAVEL, Gabriela MATACHE

50 - 55

THE DYNAMIC CONTROL OF WATER TANK PROCESS SYSTEM Yusuf ALTUN

56 - 61

THE ENERGY BALANCE OF PUMPS EQUIPPED WITH PRESSURE, FLOW AND POWER REGULATORS

Ioan LEPĂDATU, Cătălin DUMITRESCU, Liliana DUMITRESCU, Genoveva VRÂNCEANU, Polifron Alexandru CHIRIȚĂ

62 - 67

SMART TRANSDUCER FOR SPEED AND POSITION Marian BLEJAN, Ioana ILIE, Andrei DRUMEA

68 - 72

DIGITAL HYDRAULICS SOLUTIONS Petrin DRUMEA, Radu RĂDOI, Bogdan TUDOR, Ilare BORDEASU

73 - 79

DEVELOPMENT AND CONTROL OF CONFIGURABLE ARRAYS OF PNEUMATIC DIGITAL VALVES

Mihai AVRAM, Despina DUMINICĂ, Constantin BUCŞAN, Alina SPÂNU

80 - 85

AN ANALYSIS TOOL FOR HYDRAULIC WIND POWER TRANSFER SYSTEM USING LABVIEW

Yusuf ALTUN

86 - 91

NORMALLY CLOSED SWITCHING VALVE FOR HIGH FREQUENCY Petrin DRUMEA, Radu RADOI, Bogdan TUDOR, Alexandru HRISTEA, Ioan BALAN

92 - 97

ISSN 1454 - 8003 Proceedings of 2016 International Conference on Hydraulics and Pneumatics - HERVEX November 9-11, Baile Govora, Romania

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SECTION II: MOBILE HYDRAULICS AND TRIBOLOGY

FLOW OF THE NON-NEWTONIAN FLUIDS IN A RECTANGULAR GAP Alexandru RĂDULESCU, Irina RĂDULESCU

98 - 104

CAPTURING AND STORING THE ENERGY RECOVERED FROM HYDRAULIC DRIVE SYSTEMS OF MOBILE MACHINERY AND EQUIPMENT

Corneliu CRISTESCU, Catalin DUMITRESCU, Radu RĂDOI, Genoveva VRÂNCEANU, Constantin CHIRITA

105 - 114

MODELLING THE DYNAMICS OF MOTORCYCLE MOTION Kamil BIEDULSKI, Krzysztof KĘDZIA, Jarosław PROKOPOWICZ

115 - 130

HYDRAULICALLY DRIVEN ASSAULT DOUBLE RAMP Ioan LEPADATU, Corneliu CRISTESCU, Liliana DUMITRESCU, Alexandru Polifron CHIRITA, Radu RADOI, Catalin DUMITRESCU

131 -140

OPTIMIZING THE CAPTURE OF WATER FOR MICRO-HYDRO POWER PLANT FACILITIES ON THE MOUNTAIN RIVER

Radu POP, Liviu VAIDA

141 - 144

THEORETICAL AND EXPERIMENTAL RESEARCH FOR ACHIEVING A DEMONSTRATOR OF A PNEUMATIC DRIVING ENSEMBLE FOR LIGHT NON-POLLUTING VEHICLES

Gabriela MATACHE, Petrin DRUMEA, Marin BLEJAN, Ioan PAVEL

145 - 149

HYDRAULIC LIFTING EQUIPMENT PROVIDED WITH ENERGY RECOVERY

Teodor Costinel POPESCU, Catalin DUMITRESCU, Alexandru MARINESCU

150 - 155

SMART ROOT CUTTING MACHINE USED IN BIOTECHNOLOGY FOR DIRECTING THE GROWTH OF ROOT SYSTEM IN ORCHARDS

Sava ANGHEL, Gabriela MATACHE, Gheorghe SOVAIALA, Nicolae TANASESCU, Mihai ALEXE, Ioan PAVEL, Alexandru MARINESCU

156 - 161

MOBILE SEISMIC PLATFORM FOR PEOPLE TRAINING Petrin DRUMEA, Bogdan TUDOR, Stefan TRACHE, Marian SEBE

162 - 167

SECTION III: HYDRAULIC SYSTEMS, STANDS AND COMPLEX EQUIPMENT

INVESTIGATION OF FLUIDIC SYSTEMS IN MACHINE TOOLS Linart SHABI, Juliane WEBER, Jürgen WEBER

168 - 177

ELABORATION OF WAVE ENERGY CAPTURE SYSTEMS Ion BOSTAN, Viorel BOSTAN, Valeriu DULGHERU

178 - 182

MATERIAL TESTING – A GLIMPSE TO OPPORTUNITY Ion Bogdan LUNGU, Daniela LUNGU

183 - 190

INTERDISCIPLINARY EXPERIMENTAL STAND FOR DETERMINING THE CHARACTERISICS OF A RECIPROCATING COMPRESSOR

Angela PLESA, Oana GIURGIU, Lavinia SOCACIU

191 - 194

ISSN 1454 - 8003 Proceedings of 2016 International Conference on Hydraulics and Pneumatics - HERVEX November 9-11, Baile Govora, Romania

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INFLUENCE OF CERTAIN TECHNOLOGICAL PARAMETERS FOR LASER MARKING OF ARTICLES OF STEEL 08X13

Nikolay ANGELOV, Dimcho PULOV, Tsanko KARADZHOV

195 - 198

ENERGY SAVING BY INTEGRATION OF LASER CONTROLLED HYDRAULIC SERVOMECHANISMS INTO THE NAVVY LEVELING MACHINES

Teodor Costinel POPESCU

199 - 205

ELABORATION OF WIND ENERGY CONVERSION SYSTEMS Viorel BOSTAN, Ion BOSTAN, Valeriu DULGHERU

206 - 211

METHODS OF DIAGNOSING MALFUNCTIONS IN HYDRAULIC ACTUATIONS

Petrin DRUMEA, Ionas Catalin DUMITRESCU, Alexandru HRISTEA, Constantin CHIRITA

212 - 217

RESEARCHES ON SPECIFIC MALFUNCTIONS DIAGNOSIS OF HYDRAULIC DRIVE SYSTEMS EQUIPMENTS USING THE INFRARED THERMOGRAPHY METHOD

Alexandru-Daniel MARINESCU, Teodor Costinel POPESCU, Liviu ENACHE, Carmen-Anca SAFTA

218 - 224

HYDRAULIC ACTUATION SPECIFIC TO MICRO HYDROPOWER PLANTS Daniel-Vasile BANYAI, Liviu-Ioan VAIDA, Dan OPRUȚA, Ioan-Lucian MARCU

225 - 230

INFORMATIC TEST BENCH SYSTEM FOR AUTOMOTIVE POWER STEERING

Alexandru HRISTEA, Radu RADOI, Ion BALAN, Dorel GRAB

231 - 235

AUTOMATED OIL TRANSFER SYSTEM FOR AN ELECTROHYDRAULIC EQUIPMENT TESTING STAND

Iulian-Claudiu DUȚU, Radu-Iulian RĂDOI, Alexandru HRISTEA, Mihaela-Florentina DUȚU

236 - 242

SOLUTIONS TO REDUCE PRESSURE AND WATER USED FOR IRRIGATION

Ilie BIOLAN, Costel BIOLAN, Carmen NECULA

243 – 247

TECHNOLOGY AND COMPUTERIZED STAND FOR PROOFING REVERSIBLE HYDROSTATIC PUMPS

Ioan LEPADATU, Constantin CHIRIȚĂ, Marian BLEJAN, Liliana DUMITRESCU, Alexandru Polifron CHIRIȚĂ

248 – 255

COOLING EQUIPMENT WITH HEAT PIPES FOR POWER TRANSFORMERS RELIABILITY IMPROVEMENT

Marian DUTA, Daniela POPESCU, Dumitru FETCU

256 – 265

MECHATRONIC MODULE FOR SPEED CONTROL IN HYDRAULIC DRIVES

Ioana ILIE, Marian BLEJAN, Corneliu CRISTESCU

266 – 270

PREDETERMINING THE SIZE OF INRUSH CURRENT IN POWER TRANSFORMERS COUPLING USING LABVIEW

Maria Cristina NIȚU, Marian DUȚĂ, Claudiu-Ionel NICOLA

271 – 279

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SECTION IV: ENVIRONMENT, ECOLOGY, RENEWABLE ENERGY AND SUSTAINABLE DEVELOPMENT

AN EVALUATION METHOD FOR ARTIFICIAL SEA STATE TIME TRACES AND HIGH LEVEL DESIGN OF POWER-TAKE-OFF IN MARINE WAVE ENERGY APPLICATIONS

Dominic DIEßEL, Hubertus MURRENHOFF

280 - 289

ASSESSING THE BLADE CHORD LENGTH INFLUENCE ON THE EFFICIENCY OF A HORIZONTAL AXIS HYDROKINETIC TURBINE

Rareș-Andrei CHIHAIA, Gabriela OPRINA, Sergiu NICOLAIE, Andreea EL-LEATHEY, Corina BABUTANU, Adrian NEDELCU

290 - 297

CFD SIMULATION OF THE HOT AIR FLOW USED FOR CEREAL SEED DRYING

Vlad Nicolae ARSENOAIA, Petru CÂRLESCU, Oana CORDUNEANU, Andreea DIACONU, Ioan ȚENU

298 - 302

BIODIESEL PRODUCTION FROM MICROALGAE Emilia GÎLCĂ, Cerasel VĂRĂTICEANU, Claudiu TĂNĂSELIA, Marius ROMAN, Cecilia ROMAN

303 - 306

A SIMULATION OF RIVERBED FLOW WITH ENVIRONMENTAL RISK Mariana PANAITESCU, Fanel-Viorel PANAITESCU, Iulia-Alina ANTON, Sanda BUDEA

307 - 313

POWER PRODUCTION A NEGATIVE CARBON BALANCE WITH CHAB CONCEPT

Erol MURAD

314 - 318

CFD MODELING OF THE OPERATING PROCESS FOR SPRAYERS IN VINE PLANTATIONS, WITH RECOVERY OF THE DISPERSED PESTICIDE LIQUID

Andreea DIACONU, Ioan ȚENU, Petru CÂRLESCU, Radu ROȘCA, Vlad ARSENOAIA, Oana CORDUNEANU

319 - 325

RESEARCHES CONCERNING THE INTEGRATION OF WIND TURBINES IN URBAN ENVIRONMENT

Emanuela Sorina POP, Emilia CAMPEAN

326 - 334

INTEGRATED SYSTEM FOR OBTAINING EXTRACTS ACTING AS BIOFERTILIZERS / FOLIAR BIOINSECTICIDES IN ORGANIC FARMING

Iulian VOICEA, Valentin VLĂDUȚ, Mihai MATACHE, Cătălin PERSU, Dan CUJBESCU, Nicoleta UNGUREANU

335 - 339

DRYERS WITH CHAB CONCEPT FOR A SUSTAINABLE AGRICULTURE Erol MURAD, Luminiţa CATANA, Gheorghe SOVAIALA , Monica LAZAR, Anda LAZAR

340 - 344

RESEARCH ON DILUTED SEWAGE FERTIGATION Ilie BIOLAN, Magda MUNTEANU, Costel BIOLAN, Carmen NECULA

345 - 350

RESEARCH ON THE INFLUENCE OF DRIP FERTIGATION ON A SWEET PEPPER AND TOMATO PRODUCTION IN A TUNNEL

Oana CORDUNEANU, Ioan ȚENU, Petru CÂRLESCU, Andreea DIACONU, Vlad Nicolae ARSENOAIA, Gheorghe ȘOVĂIALĂ

351 - 357

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PRODUCTION OF BIOCHAR IN CHAB CONCEPT FOR REDUCING CO2 CONCENTRATIONS IN THE ENVIRONMENT AND SUSTAINABLE AGRICULTURAL DEVELOPMENT

Mihai ALEXE, Alexandra DIMA

358 - 363

INTELLIGENT SYSTEM FOR THE ACTIVE CONTROL OF WORKS FOR APPLYING PHYTOSANITARY TREATMENTS

Cătălin PERSU, Dan CUJBESCU, Mihai MATACHE, Gabriel GHEORGHE, Iulian VOICEA

364 - 367

TECHNOLOGIES OF CAPTURE AND STORAGE OF ENERGY FROM RENEWABLE SOURCES

Corneliu CRISTESCU, Catalin DUMITRESCU, Petrin DRUMEA, Valeriu DULGHERU, Krzysztof KEDZIA

368 - 382

ENVIRONMENTAL REHABILITATION OF EXCESSIVELY ERODATED SLOPE TERRAINES USING INNOVATIVE AFFORESTIZATION TECHNOLOGIES

Alexandra Liana VISAN, Constantin Gabriel BOGDANOFF, Dumitru MILEA, Valeria Gabriela CIOBANU, Costin MIRCEA

383 - 389

SECTION V: EDUCATION, TRAINING IN FLUID POWER AND INNOVATIVE POLICIES

COMPETITIVE AND INNOVATIVE NEW CONCEPTS OF CYBER-MECHATRONICS SYSTEMS FOR INTELIGENT INDUSTRIAL ENVIRONMENTS

Gheorghe I. GHEORGHE

390 - 397

INVENTIONS RESULTED FROM RESEARCH LED TO ENHANCE THE PROFESSIONAL LEVEL OF SPECIALISTS FROM IHP

Petrin DRUMEA, Cătălin DUMITRESCU, Ana-Maria POPESCU, Liliana DUMITRESCU

398 - 406

BUSINESS MODELS AND COMPETITIVE ADVANTAGE FOR TECHNOLOGY TRANSFER ENTITIES. CASE STUDY: INNOVATION IN COMPANIES WORKING IN FLUID POWER APPLICATIONS

Alexandru MARIN, Laura BOANȚĂ, Alexandra HADĂR

407 - 416

INTEGRATED SOLAR ENERGY POWER PLANT BASED ON PARABOLIC CONCENTRATOR AND ALPHA STIRLING SYSTEM FOR ENERGY GENERATION

Dan MOCANU, Adrian ARMEANU, Gabriel RASOI

417 - 424