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發(fā)布時(shí)間: 2012-11-11 11:55
正文摘要:1.離心泵的汽蝕現(xiàn)象及其危害 液體在從泵吸人口流到葉片進(jìn)口前,還會(huì)因流速增加和流阻損失而壓力進(jìn)一步下降。 當(dāng)Q小于設(shè)計(jì)Q時(shí),液流在進(jìn)口的wl撞擊葉片正面,最低壓力在葉片進(jìn)口處 ... |
造成設(shè)備損壞的機(jī)械事故,必須杜絕的 |
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