supported by National Natural Science Foundation of China(Grant Nos.51176088,51179090);National Basic Research Program of China(973 Program,Grant No.2009CB724304);General Financial Grant from the China Postdoctoral Science Foundation(Grant No.2011M500315);Open Research Fund Program of State Key Laboratory of Hydroscience and Engineering of China(Grant No.sklhse-2012-E-02)
The existing research on improving the hydraulic performance of centrifugal pumps mainly focuses on the design method and the parameter optimization. The traditional design method for centrifugal impellers relies more...