NUMERICAL VALUE SIMULATION OF INNER FLOWN CHANNEL OF THE OPEN CENTRIFUGAL IMPELLER

ZHANG Jianci¹  CUI Baoling²  LI Yi²  ZHU Zuchao²  CHEN Ying³

(1. Western College, Zhejiang University of Technology, Quzhou 324006;

2. Zhejiang Provincial Key Laboratory of Modern Textile Machinery, Zhejiang Sci-tech University, Hangzhou 310018;

3. State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310018)

Abstract: The clumpy gridding technic, Reynolds average N-S equation and application S-A turbulence model are adopted to do the numerical simulation for inner flow field of the open straight-leave high-speed centrifugal pump impeller, The open high-speed centrifugal pump is experimentation studed. After compared the result of the numerical value simulation with that of the experimentation. The numerical simulation can preferably simulate the inner flow field of the centrifugal pump impeller, is got. The reasons inflecting the inner flow field and the outer characteristic of the centrifugal pump impeller, are summarized. This study brought valuable references in optimizing designing and in improving the efficiency of pumps.

Key words: Centrifugal pump  Open impeller  Numerical simulation  Experiment study

CLC No: GH311

国家自然科学基金(50379047)、教育部博士点科学基金(20030335009)和浙江省自然科学基金青年科技人才培养专项基金(R503170)资助项目. Received 20050526, received in revised form 20050810