["용량식 泵是否会有气蚀的说法？

2018-11-01View Original

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예를 들어 스��피드로드 泵这什么的，会不会气蚀？

Reply #22018-11-01

有的会，凡是入口处供液不足而吸入不够，都会造成泵入口气蚀的发生。只不过容积泵可以气液混输而只要不是特别严重的气蚀，都可以正常工作；而离心泵发生气蚀就武功尽失。

Reply #32018-11-01

容积式泵也会气蚀但气蚀现象和影响不一样而离心泵气蚀是重大故障泵会剧烈震动而叶轮会受到严重损害而容积式泵的气蚀主要体现在吸入不足而因此对于容积式 �泵其实并没有NPSH差差的要求只要A大于R值就行

Reply #42018-11-01

有的会对容积式转子 �泵气蚀余量NPSHa与叶片式泵的NPSHa计算方法一样。对容积式往复泵其装置气蚀余量NPSHa还还应计入加PSHa加速度头损失"

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["용량식 泵 是否会有气蚀的说法？

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