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소수력발전용 횡류수차의 러너 블레이드 깃수에 따른 성능해석

Performance Analysis of a Cross Flow Hydro Turbine by Runner Blade Number

  • 최영도 (한국해양대학교 산학협력단) ;
  • 김창복 ((재)한국조선기자재연구원) ;
  • 임재익 (한국해양대학교 기관시스템공학부) ;
  • 김유택 (한국해양대학교 기관시스템공학부) ;
  • 이영호 (한국해양대학교 기계.정보공학부)
  • 발행 : 2008.07.31

초록

Performance improvement of Small hydro turbine is a very important subject to solve in the stage of introduction and development of the turbine. Cross-flow hydro turbine should be also studied more in detail for the turbine performance in order to extend the sites of application. In order to improve the turbine performance, the effect of the turbine shape on the turbine performance should be examined. Therefore, the effect of runner blade number on the turbine performance is investigated by use of a commercial CFD code. The results show that runner blade number gives remarkable effect on the efficiency and output power of the turbine. Pressure on the surface of the runner blade changes considerably by the blade number at Stage 1, but relatively small change of velocity distribution occurs in the flow passage.

키워드

참고문헌

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