["Pressionure d'entrée minimalelenne de l'aspression centrifugue"

2018-07-19View Original

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["Généralementlementlement, selon less网上资料，大多数人都说离心泵在运行过程中叶轮中心处会产生负压，个人认为只要是进口压头能满足出口流量的话，泵不会产生负压，只能说是由于叶轮中心处由于进口管线压头的损失和液轮中心处流体的流速增加导致压力降低，这是相对于进口压力而言是变低了。打个比方一台离心泵进口压力0.5兆帕液轮中心处压力也应该是 as.3（这是个打比方），它叶轮中心处的压力也应该是正压，不像书上说的那样叶轮中心处是负压，👍👍大家对小弟的见解有什么看法呢😊😉😊😉😊😉😊😉"

Reply #22018-07-20

["Le négatif压是相对的。入口压力高的情况肯定还是正压，但相比为运转前，压力是要低一些的。"

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["Pressionure d'entrée minimalelenne de l'aspression centrifugue"

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