Centrifugal pump has played an important role in the industrial and agriculturalproduction, especially in the water conservancy irrigation and drainage. As pump is morewidely used, the requirement on the hydraulic characteristics and running stability isbecoming higher and higher. The impeller is one of the important flow passage components incentrifugal pump, which affects the working performance of a pump directly. When workingin the flow media, the surfaces of the impeller blade are suffering not only th...
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