DEPARTMENT OF HYDRAULIC MACHINERY

Transcription

1 STU, Faculty of Mechanical Engineering, Nám. slobody 17, Bratislava 1, Slovak Republic Head of Department: Phone: Michal Varchola, PhD., Assoc. Prof. Fax: michal.varchola@stuba.sk I. STAFF Professor Michal Varchola, PhD., Prof. Associate Professor in: Hydraulic and Pneumatic Machines and Equipment Research topics: Research of internal flow structure in hydrodynamic pumps, rotor - stator interaction in a hydrodynamic machine, flow process in self-priming hydrodynamic pump. Hydraulic design of the geometry of hydrodynamic and hydrostatic machines Professor emeritus Oldrich Strýček, DrSc., Prof. Professor in: Energetic Machines and Equipment Research topics: Computation and Design of hydraulic pumps and junctions of hydraulic systems, conception of the whole system Professors in charge Karol Prikkel, PhD., Assoc. Prof. Associate Professor in: Hydraulic and Pneumatic Machines and Equipment Research topics: Digital simulation of Hydraulic Systems. Identification and Optimisation of Fluid Power Systems Associate Professors Branislav Knížat, PhD., Assoc. Prof. Associate Professor in: Hydraulic and Pneumatic Machines and Equipment Research topics: Liquid flow in hydrodynamic pumps, numeric simulation of flow in hydraulic machines and devices, optimization of the pipeworks operation, non-stationary non-isothermal flow in gas networks Jozef Krchnár, PhD., Assoc. Prof. Associate Professor in: Hydraulic and Pneumatic Machines and Equipment Research topics: Design and construction of hydrostatic systems, modeling and simulation of static and dynamic properties of hydrostatic mechanisms, technical diagnostic of hydrostatic systems. 49

2 Róbert Olšiak, PhD., Assoc. Prof. Associate Professor in: Power engineering Research topics: Water ring vacuum pumps and compressors, diagnostics of hydraulic systems Senior lecturers: 4 Research workers: 2 PhD. students: 7 Technical staff: 3 II. EQUIPMENT II.1. Teaching and Research Laboratories - Hydraulic Machinery Laboratory - Laboratory of Pneumatic Elements II.2. Special Measuring Instruments and Computers - Central Measuring Office MC-32, BMC - Central Measuring Office THERM 2281, Ahlborn - Programmable Measuring System MGC - Programmable Measuring System MCP 16 - Thermoanemometric Apparatus Series D and M - Ultrasound Diagnostic Instruments D300 and D400 - HandyScope HS3 III. TEACHING III.1 Graduate Study Study branch: Hydraulic and pneumatic machines and devices Name of subject semester hours per week reader s name lectures seminars Applied fluid mechanics (for Mechatronics) B. Knížat Theoretical fluid mechanics B. Knížat Numeric modeling in hydraulics K. Prikkel Hydrostatic and pneumatic elements J. Krchnár Pumps M. Varchola Hydroenergetics M. Varchola, R. Sikhart Calculation of hydraulic machine Cs. Szolga Projecting of hydrostatic and pneumatic systems J. Krchnár Projecting of pumping devices B. Knížat Projecting of water power plants R. Sikhart 50

3 Annual Report 2006 Dynamics of hydraulic systems K. Prikkel Semester project M. Varchola, K. Stračár Driving systems (for SÚS) J. Krchnár Pneumatic drives and their control (for Mechatronics) J. Krchnár Testing of hydraulic machines R.Olšiak Semester project B. Knížat, K. Stračár Modeling and control of hydraulic systems K. Prikkel Modeling and control of pneumatic systems K. Stračár Special hydraulic machines and devices M. Varchola Accessories and operation of water power plants R. Sikhart Pneumatic drives and their control J. Krchnár, K. Prikkel, K. Stračár Pumps in energy industry M. Varchola Experimental methods f hydraulic machines M. Gančo Diploma project P. Pristaš Laboratory practices B. Knížat, K. Stračár Hydrostatic systems of mobile vehicles J. Krchnár K. Prikkel Diagnostics of hydraulic machines R. Olšiak Application of vortex flow methods O. Strýček Ecology of hydraulic machines operation M. Varchola Pipings and fittings M. Gančo Hydro power plants and environment R. Sikhart III.2 Bachelor Study Name of subject semester hours per week reader s name lectures seminars Fluid mechanics M. Gančo, B. Knížat, M. Varchola Hydraulic machines and devices K. Prikkel Operation of hydraulic machines R. Olšiak 51

4 IV. RESEARCH TOPICS Hydro Power Systems - Theoretical and Experimental research of the flow process in Hydro Turbines - Research and development of turbines for Small Hydro Power Plants i.e. simpler design and lower weight Pumping Systems - Basic theoretical and experimental research of the flow process in hydrodynamic pumps - Research and development of pumps with new design concept - Research and development of non-conventional hydro equipment - Theoretical and experimental formulation of mathematical simulation models and their solutions of unsteady and non-isothermal systems of liquid transport - Pumping systems safety in Nuclear Power Plants Hydro-Mechanical Gears - Technical diagnostic of hydro-mechanical elements and systems - Theoretical and experimental research of characteristics of hydrostatic elements and systems - Optimization of hydrostatic systems - Proposals of static and dynamic characteristics of hydraulic elements and systems and their experimental verification V. RESEARCH PROJECTS - VEGA 1/2083/05 Cavitation on the vanes of the axial flow water turbine (K. Prikkel) - VEGA 1/2088/05 Mathematical models of power fluid devices and their utilization in diagnostics (J. Krchnár) - VEGA 1/2087/05 Simulation of flow in the distribution networks (B. Knížat) - VEGA 1/1090/04 Analysis of ultrasonic emissions of fluid systems by application of artificial neural networks (R. Olšiak) VI. COOPERATION VI.1 Cooperation in Slovakia - Bosch - Siemens Haustechnik - HYDAC, Ltd., Martin - Nuclear Power Plants, Jaslovské Bohunice - Nuclear Power Plants, Mochovce - PPS, Inc., Detva - SE VET, Trenčín - Škoda-POWER PLZEŇ - Slovak gas industry, SLOVTRANSGAZ division, Inc., Bratislava - Slovak gas industry, DISTRIBÚCIA division, Inc., Bratislava - Slovnaft, Inc., Bratislava 52

5 Annual Report Slovpump, Inc., Závadka - STAVUM, Ltd., Nová Dubnica - Water Works Construction, Bratislava - WAY Industry, Inc., Krupina - ZŤS - HTZ, Inc., Dubnica nad Váhom VI.2 International Cooperation - ISH Olomouc, Czech Republic - ŠKODA POWER Plzeň Czech republic - Det Norske Veritas (DNV), Norway - VUT Brno, Czech Republic - Gerhard Mercator University in Duisburg, Germany VI.4 Contracts - ZoD 64/2005 Examination of limiting factors and operation regimes of compressors in compressor stations DT, for SPP, Inc., Bratislava (B. Knížat) VI.5 Membership in Domestic Organizations and Societies - K. Prikkel - vice-president of the Slovak Society for Hydraulics and Pneumatics - K. Prikkel - member of Academic senate, FME STU Bratislava - M. Varchola - member of the scientific council of FME, STU Bratislava - M. Varchola - member of the scientific council of FSI, VUT Brno, Czech Republic - M. Varchola - member of the scientific council of ÚMMS SAV Bratislava - member of the standardization committee TK 57 Pumps, Slovak institute for technical standardization - M. Varchola - member of the Council of universities, Ministry for Education SR - M. Varchola - member of the editorial board, Strojnícky časopis - J. Krchnár - member of the standardisation technical committee Hydraulic mechanisms, Slovak institute for technical standardisation - J. Krchnár - member of the committee of the Slovak society for Hydraulics and Pneumatics - R. Olšiak - member of the Slovak Society for Maintenance - P. Pristaš - member of the Slovak society for Hydraulics and Pneumatics VI.6 Membership in International Organizations and Societies - K. Prikkel - Member of the COS committee for mechanical engineering society, Prague - M. Varchola - member of the scientific council of FSI, VUT Brno, Czech Republic VI.7 Foreign Visitors to the Department - PhD students from Technical University Brno, november 2006 (1 day) 53

6 VII. THESES VII.1 PhD. thesis projects [1] Bednár, D.: Interaction of the input space end the Impeller of the Hydrodynamic pump PhD. thesis project (M. Varchola) [2] Pósa, I.: PhD. thesis project (J. Krchnár) [3] Mlčúch, J.: Investigation of the Pump Expeller PhD. thesis project (M. Varchola) [4] Vítek, J.: Monitoring of a lifetime of mechanical and fluid power systrems. PhD. thesis project (K. Prikkel) [5] Urbán, G.: Stator - rotor interaction of a mixed flow pump. PhD. thesis project (M. Varchola) IX. PUBLICATIONS [1] Bednár, D., Varchola, M.: Hydraulic coupling of the inlet space and the impeller of the radial hydrodynamic pump. In: Proceedings o the international conference Mechanical Engineering 2006, Bratislava, November 2006, ISBN , pp (in Slovak) [2] Guláš, J., Krchnár, J., Stračár, K.: Residual life prediction of fluid power system components using artificial neural networks. In: Proceedings of the 4 th FPNI - PhD Symposium Sarasota 2006, Sarasota, June 2006, Fluid Power Net Publications, 2006, ISBN , pp [3] Guláš, J., Krchnár, J., Stračár, K.: Trend prediction of degradation of hydraulic. In: Proceedings of the 19 th International Conference on Hydraulics and Pneumatics, Prague, May 2006, ISBN , pp (in Slovak) [4] Knížat, B., Kováčová, A.: Optimum design of gas pipeline network. In: Proceedings of the international conference Fluid Mechanics and Thermomechanics, Modra-Harmónia, June 2006, ISBN (in Slovak) [5] Knížat, B.: Optimum design of a gas pipeline network. In: Proceedings o the international conference Mechanical Engineering 2006, Bratislava, November 2006, ISBN , pp (in Slovak) [6] Koša, R., Pristaš, P.: Exploitation of computer equipment to design line fluid motor. In: Proceedings o the international conference Mechanical Engineering 2006, Bratislava, November 2006, ISBN , pp (in Slovak) [7] Kováčová, A., Knížat, B.: Analysis of flow in self priming pump. In: Power system engineering - thermodynamics - fluid dynamics 2006, Plzeň, June 2006, ISBN X, pp (in Slovak) [8] Mikeska, D., Prikkel, K.: The modeling and simulation of loader feeder by AMESim. In: Hydraulika a pneumatika, ISSN , Vol. 8, No. 1-2 (2006), pp. 1-4 (in Slovak) [9] Mlčúch, J., Bednár, D., Varchola, M.: Modeling of a flow in a narrow gap between rotor and stator. In: Proceedings o the international conference Mechanical Engineering 2006, Bratislava, November 2006, ISBN (in Slovak) 54

7 Annual Report 2006 [10] Olšiak, R.: Structure of the expert system for determination of the technical status of a hydraulic cylinder. In: Proceedings of the 9 th international conference DIS 2006, Košice, November 2006, pp (in Slovak) [11] Pósa, I.: Mathematical modeling of constant axial piston unit. In: Proceedings o the international conference Mechanical Engineering 2006, Bratislava, November 2006, ISBN , pp (in Slovak) [12] Prikkel, K., Guláš, J.: The simulation of mobile machinery feeder by AMESim. In: Proceedings of the international conference TRANSFER 2006, Trenčín, September 2006, ISBN , pp (in Slovak) [13] Pristaš, P., Kováčová, M.: Pressure and velocity distribution at the cylinder surface. - Part II. In: Proceedings of the 5 th international conference Aplimat 2006, Bratislava, 2006, pp (in Slovak) [14] Rajzinger, J., Knížat, B.: Natural gas composition impact on gas temperature drop in pressure reducing station. In: Proceedings of the international conference Energetika a životní prostředí 2006, Ostrava-Poruba, June 2006, ISBN , pp (in Slovak) [15] Rajzinger, J., Knížat, B.: Sensitivity analysis of selected physical parameters of natural gas. In: Proceedings of the international conference Fluid Mechanics and Thermomechanics, Modra-Harmónia, June 2006, ISBN (in Slovak) [16] Urbán, G., Varchola, M.: Comparison of the simulated results and the experimental outcames on the mixed-flow pump performance. In: Proceedings of the international conference Fluid Mechanics and Thermomechanics, Modra-Harmónia, June 2006, ISBN (in Slovak) [17] Urbán, G., Varchola, M.: Interaction between impeller - diffuser in a mixed-flow pump. In: Proceedings of the international conference Mechanical Engineering 2006, Bratislava, November 2006, ISBN (in Slovak) [18] Urbán, G.: Influence of the meridional shapes variations on the internal structure of flow and on the mixed flow pump performance. In: Power system engineering - thermodynamics - fluid dynamics 2006, Plzeň, June 2006, ISBN X (in Slovak) [19] Varchola, M., Knížat, B.: Multistage in-line pump. Patent (Slovak Republic), 2006, No. SK (in Slovak) [20] Varchola, M., Knížat, B.: Multistage self-priming pump. Patent (Slovak Republic), 2006, No. SK (in Slovak) [21] Varchola, M., Knížat, B.: Energy consumption and reliability of operation of pump systems. In: Proceedings of the 10 th international conference Prevádzková spoľahlivosť výrobných zariadení v chemickom priemysle a energetike, Bratislava, November 2006, ISBN (in Slovak) [22] Varchola, M., Tóth, P., Knížat, B.: Dynamic stress of centrifugal spiral pump. In: Acta Mechanica Slovaca, ISSN , Vol. 10, No. 1 (2006), pp (in Slovak) [23] Varchola, M., Urbán, G., Bednár, D.: Some results of the flow simulation in narrow radial gap between rotor and stator. In: Proceedings of the international conference Fluid Mechanics and Thermomechanics, Modra-Harmónia, June 2006, ISBN (in Slovak) [24] Varchola, M.: Pumps. In: Stavební tabulky 7: Část: Technická voda, Brno, Art-projekt, 2006, ISBN , pp (in Slovak) 55

8 [25] Varchola, M.: Energy consumption of pumps from ecology point of view. In: Proceedings of the 12 th international conference TOP 2006, Častá Papiernička, June 2006, ISBN X, pp (in Slovak) [26] Vítek, J., Prikkel, K.: Identification of some influences to pump work by vibrodiagnostic method. In: Hydraulika a pneumatika, ISSN , Vol. 8, No. 1-2 (2006), pp. 5-8 (in Slovak) [27] Vítek, J., Prikkel, K.: Methods of technical diagnostic in fluid power systems. Part 2 In: Proceedings of the international conference TRANSFER 2006, Trenčín, September 2006, ISBN , pp