流体机械

1993, (10) 11-13+63

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间隔式切割叶片对离心泵性能的影响
The Effect of Cutting Every Other Blade on the Performance of a Centrfugal Pump

梁永仪,张挺,孙明光
Liang Yongyi

摘要(Abstract):

通过对离心泵性能试验及流场数值计算研究,发现间隔式切割叶片及整修切割的前缘,可提高离心泵的效率,拓宽高效率区,增大流量,改善汽蚀性能。
By the performance experiments of the centrifugal pump and the flow analysis numerically, it is shown that blades cutting and keeping the noses in good condition every other blade are good for enhancing the efficiency, enlargeing the area of high efficiency, increasing the flow rate and improving the cavitation.

关键词(KeyWords): 间隔切割叶片;离心泵;性能;效率

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作者(Author): 梁永仪,张挺,孙明光
Liang Yongyi

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