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횡류수차의 러너 블레이드 개수변화에 따른 속도와 압력 분포
임재익(J. I. Lim),최영도(Y. D. Choi),김유택(Y. T. Kim),이영호(Y. H Lee) 한국동력기계공학회 2007 한국동력기계공학회 학술대회 논문집 Vol.- No.-
Many countries are interested in CO₂ -It is greenhouse gas which causes global warming. -output reduction. Therefore, Many Researchers are interested in renewable energy development. Small hydro power is clean and renewable energy that does not discharge CO₂. Relatively high manufacturing cost by the complex structure of the turbine is the highest barrier for developing the small hydropower turbine. Therefore, a cross-flow turbine is adopted because of its simple structure and high possibility of applying to small hydropower. In this study, made experiment result in research that utilize Zhao relationship hydro turbine model about cross-flow turbine comparison target. The purpose of this study is the variation of the number of runner blade to improve the performance. Optimization of the turbine structure has been made by the analysis of the turbine performance with the variation of the number of runner blade using a commercial CFD code. The results show that the number of runner blade give considerable effect on the performance of the turbine.