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In order to meet the requirements of high performance of centrifugal pump, the influence of the size and position of the impeller opening on the external characteristics of the pump was studied.
In recent years, patents and technologies have provided favorable conditions for the research of centrifugal pumps. The method of numerical simulation and experimental comparison was used to improve the performance of the high-speed TPE centrifugal pump by perforation of the impeller.
In the case of a large inlet void fraction, opening can improve the performance of high-speed centrifugal pump.
The pump performance is subject to two non-linearly related variables-the diameter of the hole and its radial position. In the process of affecting the pump efficiency, it is necessary to take into account their effects on the hydraulic loss and the gas volume distribution in the impeller to achieve the optimal balance.
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