마이크로 용적형 수차의 개발에 관한 연구

A Study on the Development of a New Micro Positive Displacement Hydraulic Turbine

  • 이영호 (한국해양대학교 기계정보공학부) ;
  • 최영도 (요코하마국립대학 대학원 공학연구원)
  • 발행 : 2006.03.01

초록

For the case of high head and critical low flow rate range of micro hydropower resources, it requires very low specific speed turbines which are lower than conventional impulse turbine's specific speed. In order to satisfy the request for very low specific speed turbine with high efficiency, a new positive displacement turbine is developed. The performance characteristics of the new turbine is tested and compared with a conventional impulse turbine, which is used for automatic water faucet system. The purpose of present study is to develop an high performance turbine that can be used to extract micro hydropower potential of a water supply system. The test results show that the positive displacement turbine is much more efficient than the conventional turbine and it can sustain high efficiency under the wide range of operating conditions. The pressure pulsations at the inlet and outlet of the positive displacement turbine can be considerably minimized by using simple pressure damper.

키워드

참고문헌

  1. European Renewable Energy Exchange, Small hydropower Fact Sheet. http://www.eurorex.com
  2. S. Davis, Microhydro : Clean Power from Water, New Society Publishers, Canada, 2003
  3. Water Recycle Group, Electricity from water with PowerPal, Micro and Mini Hydroelectric Generators., Canberra, Autralia, 2000
  4. J. Thake, The Micro-Hydro Pelton Turbine Manual, ITDG Publishing, London, 2000
  5. A. Harvey, A. Brown, P. Hettiarachi and A. Inversin, Micro-Hydro Design Manual, ITDG Publishing, 2005
  6. P. Stephen. Fluid Mechanics for Engineerings, London, Butter Worths, 1964
  7. P. K. Nag, Power Plant Engineering, McGrawHill, Singapore, 2002
  8. H. E. Merritt, Hydraulic Control System, John Wiley & Sons, Inc., New York, 1967
  9. I. J. Karassik, J. P. Messina, P. Cooper and C. C. Heald. Pump Handbook, McGraw-Hill, New York, 2001