COVER

EDITORIAL BORD

SCIENTIFIC COMMITTEE

CONTENT

 

BULLETIN OF THE TRANSILVANIA UNIVERSITY OF BRASOV, VOL.1(50)-2008

SERIES I  -   ENGINEERING SCIENCES, ISSN 2065-2119 (Print), ISSN 2065-2127 (CD-ROM)  

 ·Mechanics Engineering

Aleonte, M., Cosgarea, R., Săcăreanu, S., Cofaru, C.: State of the Art 5 Gears Automatic Gearbox .........................

1

Bencze, A., Niculiţă, C., Deliu, Gh.: True Orbits of Satellites ............................................................................... 7

Cosgarea, R., Aleonte, M., Săcăreanu, S., Cofaru, C.: State of the Art of Homogeneous Charge Compression

           Ignition Engines ....................................................................................................................................

11
Costiuc, L.: Dynamic Regime Modelling of Thermal Systems. The Case of a Refrigerating System........................... 17
Dateş, R.N., Curtu, I.: Rheological Phenomena of Anisotropic Orthotropic Materials............................................... 23
Gal, A., Turcu, D., Sandu, V.: The Mechanical Power Loss of the Diesel Engines..................................................... 27

Ionescu, R., Năstăsoiu, S.: An Evaluation Criterion for Tractive and Economic Performance in the Engine -

          Transmission System of the Farming Tractor .............................................................................................

31

Lauber, U., Ortmann, P., Kleynhans, G.: Design, Manufacture and Testing of a High Speed Oil Free Integrated Motor

          Compressor Suitable for Unmanned / Subsea Applications..........................................................................

35
Niculiţă, C., Bencze, A., Cândea, I.: Aircraft Wings: Present and Future ............................................................. 41

Săcăreanu, S., Cosgarea, R., Chiru, A., Lerchner, K.: The Conception and Building of a Stand for Testing a

          Wheel Guidance Mechanism ...................................................................................................................

47

Stanciu, M.D., Curtu, I., Roşca, I.C., Creţu, N.C.: Diagnosis of Dynamic Behavior of Ligno-Cellulose

         Composite Plates in the Construction of the Classical Guitar .......................................................................

55
Velea, M.N., Lache, S.: A Multi-Criteria Design Method for Sandwich Constructions with Periodic Cellular Cores ....... 61

 

 

BULLETIN OF THE TRANSILVANIA UNIVERSITY OF BRASOV, VOL.1(50)-2008

SERIES I  -   ENGINEERING SCIENCES, ISSN 2065-2119 (Print), ISSN 2065-2127 (CD-ROM)  

·Industrial Engineering

Bârsan, L., Bârsan, A.: The Environmental Impact of a Product ........................................................................... 69

Bozan, C.A., Moldovean, Gh., Velicu, R.: Structural Synthesis on Speed Multipliers with Fixed Axle Gear Used in Wind

          Turbine ...................................................................................................................................................

75

Burduhos, B., Diaconescu, D.V., Săulescu, R.: Comparison between Single-Axis PV Trackers of Pseudo-Equatorial

          and Azimuthal Type..................................................................................................................................

81
Butuc, B., Moldovean, Gh.: Gears Based Azimuthally Tracking Systems for Photovoltaic Platforms .......................... 87
Clinciu, M.R.: Estimating the Statistical Parameters for Experimental Data............................................................. 93
Clinciu, R.: Analysis of the Metrological Reliability - A Study on Experimental Data.................................................. 97
Coste, L., Eftimie, E.: Solar and Wind Power Determination for Braşov City Area .................................................... 101
Dascălu, M., Talabă, D., Gîrbacia, F.S., Stavăr, A.: Cognitive Approach of Human-Machine Communication............... 107
Diaconescu, D.V., Vătăşescu, M.M.: Two New Pairs of Local Solar Angles and Their Corresponding Tracking Systems . 113
Dinicu, V., Vişa, I., Diaconescu, D.V.: Efficiency Improvement of an Azimuthally Tracked PV Panel ........................... 121
Duguleană, M., Mogan, Gh.: Aspects Concerning a Mobile Robot Cognitive System.................................................. 129
Eftimie, E.: A Programme for the 3D Representation and Animation of Objects and Surfaces ................................... 135
Huidan, L.: Selection of the Project Manager ....................................................................................................... 143
Neagoe, M., Jaliu, C.: On the Conceptual Design of Technical Products: A Case Study.............................................. 147

Popa, S., Moldovean, Gh.: Loads in the Completely Engaged Operation for Safety Clutches with Balls and Spherical

          Active Rabbets Radially Disposed ..............................................................................................................

157
Stavăr, A., Talabă, D., Dascălu, M.: State of the Art in Haptic Input Systems for Biomedical Applications .................. 163
Velicu, R.: On the Performance of a Two-Planetary Group Gearbox........................................................................ 169
Vişa, I., Hermenean, I.S.: On the Equatorial Type Systems Used in CPV Tracking ................................................... 175
Vişa, L., Popescu, I.: Quality Principles and Dimensions ...................................................................................... 183

 

 

BULLETIN OF THE TRANSILVANIA UNIVERSITY OF BRASOV, VOL.1(50)-2008

SERIES I  -   ENGINEERING SCIENCES, ISSN 2065-2119 (Print), ISSN 2065-2127 (CD-ROM)  

·Materials Science and Engineering 

Balteş, L.S., Ţierean, M.H., Şamotă, I., Mirza Roşca, J.C.: Analysis of the Stresses in the Femoral Bone,

         Premise for the Hip Prosthesis Dimensioning ..............................................................................................

191

Bogatu, C., Vîlcu, R., Duţă, A., Geană, D., Straver, E., de Loos, T.W.: Modelling Vapor-Liquid Equilibria in the

         CHF3 + Isobutylbenzene System ................................................................................................................

197

Cecal, Al., Cecal, A.I., Humelnicu, D., Endler, W., Drăghici, C.: Environmental Management Implemented In

         German Universities................................................................................................................................,.

203

Croitoru, C., Paţachia, S.: Molecularly Imprinted Poly(Vinyl Alcohol) for the Selective Absorption of Diosgenin from

           Ethanolic Solutions ..................................................................................................................................

207
Dumitrescu, L., Manciulea, I.: Nanocomposite Materials Based on Acrylic Copolymer and TiO2 Nanoparticles ............ 213

Eneşca, Al., van der Kroel, R., Schoonman, J.: Influence of Sodium Ions (Na+) Dopant on the Efficiency of the

          Tungsten Trioxide Photoelectrode ..............................................................................................................

217

Feraru, D.P., Szabo, C., Ciobanu, I., Crişan, A.: Influence of the Thermo-Physical Characteristics of Coolers on the

           Real Solidification Module of Cast Parts ......................................................................................................

223

Hobincu, Z.A., Sandor, M., Duţă, A.: Rehabilitation of Soils Affected by Leachate with High Heavy Metals Content ..... 229

Isac, L., Nanu, M., Schoonman, J.: Influence of Deposition Temperature on the Sprayed Pyrolysed In2S3 Thin Films

             Properties .............................................................................................................................................

237

Lucaci, D., Duţă, A.: Removal of Copper (II) from Aqueous Solution Using Sawdust from Oak Wood as a New

          Biosorbent ..............................................................................................................................................

243

Manciulea, I., Comaniţă, E., Dumitrescu, L.: Ketonic Mannich Bases from Ortho-Hydroxyacetophenone,

          Ortho-  Hydroxypropiophenone and Corresponding Oximes .........................................................................

247

Moise, G., Paţachia, S., Ozkul, H., Ekincioglu, O., Croitoru, C.: Morphologycal Characterization of High Alumina

          Cement - Based Macro Defect Free Cements ..............................................................................................

251
Paţachia, S., Dobriţoiu, R.: New Applications of Scleroglucans ............................................................................... 255
Popovici, I., Duţă, A.: Developments of Photovoltaics: Non-Silicon Solar Cells ........................................................ 261
Porzsolt, A., Paţachia, S.: New Ways for Atmosphere Protection ........................................................................... 269

Szabo, C., Feraru, D.P., Ciobanu, I., Munteanu, S.I.: The Influence of the Number of Castings Connected To the Same

           Feeder on the Real Solidification Module of the Feeder ...............................................................................

273
Ţierean, M.H., Balteş, L.S., Santana López, A.: Modeling of Crack Growth in Elastic-Plastic Materials ........................ 279
Varga, B., Munteanu, D.: Processing Macro-Composites by Infiltration and Their Properties .................................... 283

Vişa, I., Perniu, D., Alimisis, D., Vişa, M., Cardon, L., Bakay, E.: Integrated Approach of Sustainable Energy

          Education and Research for Pre-University Curricula ....................................................................................

287

Vişa, M., Duţă, A.: Cadmium and Cooper Removal from Aqueous Solution by Adsorption onto Treated Fly Ash

          Collected From CET-Braşov .......................................................................................................................

293
Zaha, C., Dumitrescu, L.: Sludge Recycling - Needs and Trends ............................................................................. 299

 

 

BULLETIN OF THE TRANSILVANIA UNIVERSITY OF BRASOV, VOL.1(50)-2008

SERIES I  -   ENGINEERING SCIENCES, ISSN 2065-2119 (Print), ISSN 2065-2127 (CD-ROM)  

·Electrical Engineering, Electronics and Automatics

Calangiu, G., Şişak, F.: The Status of Research in Robotics and Robotic Vision Systems .......................................... 305

Carp, M.C., Sojerf, D., Borza, P.N., Toacşe, Gh., Puşcaş, A.M.: Improving the Energy Management for

          LDH-1250HP  Locomotive Using Embedded Systems ...................................................................................

311

Curpen, D.M., Székely, I.: Parameter Considerations on Digital Telecommunication Network Circuits Regarding Echo,

          Stability and Local Effects..........................................................................................................................

317
Demeter, R., Sárkány, I.: ZigBee Wireless Devices Sharing Over IP Network .......................................................... 323
Floroian, D., Moldoveanu, F.: Using Multiagent Systems for Shop Floor .................................................................. 327
Forcoş, A., Marinescu, C.: A Hybrid Wind-Hydro System ...................................................................................... 335
Fratu, A., Renaux, D., Fratu, M.: Simulation and Control of the Parallel Robots’ Dynamics ....................................... 343
Jipa, R., Tulbure, T.: Gals Designs Implementation on “Structured ASIC” Platforms ................................................ 351

Motoaşcă, S., Nicolaide, A., Helerea, E., Motoaşcă, T.E.: New Analytical Method for Hysteresis Modelling Using

           LabVIEW ................................................................................................................................................

357
Müller, C., Székely, I.: Ethernet Based Communication for Safety Related Underground Applications ....................... 361
Nedelcu, A.V., Székely, I.: State of the Art - Analysis of RFID-Based Networks and Technologies ............................. 369
Puiu, D., Moldoveanu, F.: Intelligent Servo Drives and Fieldbusses Communication for Multi-Axis Motion Control ...... 377

Puşcaş, A.M., Coquery, G., Borza, P.N., Székely, I., Carp, M.C: State of the Art in Mobile Systems’ Energy

          Management and Embedded Solutions for Improving the Energy Efficiency ...................................................

383

Sárkány, I., Mărgineanu, I.: Using Geometrical Image Modification for Displaying Images Captured From

          Spherical Surfaces on Computer Screens....................................................................................................

391
Stoianovici, V., Popescu, V., Murroni, M.: A Survey on Spectrum Sensing Techniques for Cognitive Radio ............... 395
Suciu, A., Papuc, S.V.: Evolution of H264 Standard. Implementation Strategies on Parallel Architectures .............. 403
Suliman, C., Moldoveanu, F.: Video Image Processing for Mobile Robot Indoor Navigation ..................................... 407
Tulbure, T., Jipa, R.: Post Layout Optimization Methods for Structured ASIC ........................................ 413

 

BULLETIN OF THE TRANSILVANIA UNIVERSITY OF BRASOV, VOL.1(50)-2008

SERIES I  -   ENGINEERING SCIENCES, ISSN 2065-2119 (Print), ISSN 2065-2127 (CD-ROM)  

   ·Civil Engineering 

Boian, I., Iordan, N.: Heat Pump Efficiency and Climate Changes .........................................................................

419
Dombi, V-E., Boian, I., Vişa, I.: Building Green ................................................................................................... 427
Horneţ, M.: Calculation and Study of Technical-Economic Parameters for Thermal Heat Pipe Recuperators ............... 435
Ţicleanu, C.: Daylight Transport into Buildings by Means of Branched Light-Pipes .................................................. 439
Vlissidis, A., Charakopoulos, S., Kolokotsa, D., Boian, I.: Wireless Sensor Networks Building Monitoring Application .. 449
Authors Index ................................................................................................................................................. 457