CFD analysis for the performance of cross-flow hydraulic turbine with the variation of blade angle

被引：1

作者：

Choi, Y. D. ^{[1
]}

Lim, J. I. ^{[2
]}

Kim, C. G. ^{[2
]}

Kim, Y. T. ^{[3
]}

Lee, Y. H. ^{[4
]}

机构：

[1] Korea Maritime Univ, Ind Acad Cooperat Fdn, Busan 606791, South Korea

[2] Korea Maritime Univ, Dept Mech Engn, Grad Sch, Busan 606971, South Korea

[3] Korea Maritime Univ, Dept Marine Engn, Busan 606791, South Korea

[4] Korea Maritime Univ, Div Mech & Informat Engn, Busan 606791, South Korea

来源：

NEW TRENDS IN FLUID MECHANICS RESEARCH: PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON FLUID MECHANICS | 2007年

关键词：

cross-flow hydraulic turbine; blade angle; performance; internal flow; computational fluid dynamics;

D O I：

10.1007/978-3-540-75995-9_140

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The purpose of this study is both to further optimize the structure of cross-flow turbine and to improve the turbine performance. Optimization of the turbine structure has been made by the analysis of the turbine performance with the variation of the blade angle using a commercial CFD code. The results show that inlet and outlet angles of the runner blade give considerable effect on the performance of the turbine. Pressure on the surface of the runner blade changes considerably with the variation of blade angle both at the stages 1 and 2 but relatively small change occurs for the fluid velocity of cross-flow hydraulic turbine. Recirculating flow in the runner passage causes considerable hydraulic loss by which efficiency of the turbine decreases very much. https://link.springer.com/content/pdf/10.1007/978-3-540-75995-9_140.pdf

引用

页码：428 / +

页数：2

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