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离心泵入口流动十分复杂,需要深入研究的问题也很多。对泵的入口流体预旋和旋流,虽然有些研究涉及到这一课题,但在国内尚未见到专题研究成果,一些观点也值得深入探讨。作者在试验的基础上,用三维流动理论,
Centrifugal pump inlet flow is very complicated, there are many issues that need further study. Although some researches have dealt with this topic, there has not been any special research results in China and some of them are worth discussing in depth. Based on the experiment, the author uses three-dimensional flow theory,