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專(zhuān)業(yè)生產(chǎn)內燃機冷卻水泵及其配件

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2021-11-09

UAZ水泵講述水泵的汽蝕現象相關(guān)知識

泵氣蝕的原因是什么？跟隨UAZ水泵的編輯進(jìn)行簡(jiǎn)單的了解!
泵的氣蝕現象是由泵中的水蒸發(fā)引起的。由水的蒸發(fā)引起的空化的主要原因與溫度和壓力有關(guān)。在一定的壓力下，當溫度升高到一定值時(shí)，它的水開(kāi)始蒸發(fā)，由液體轉化為蒸汽; 相反，在一定的溫度下，壓力下降到一定值后，水也會(huì )蒸發(fā)。該壓力被稱(chēng)為水在該溫度下的蒸發(fā)壓力。如果在流動(dòng)過(guò)程中，一定區域內的壓力等于或低于與水溫相對應的汽化壓力，則水將在該位置汽化，形成許多由蒸汽和氣體混合的小氣泡?？栈F象是由于當這些小氣泡和水從泵的低壓區流向高壓區時(shí)，氣泡在壓力作用下破裂和坍塌，高壓水以很高的速度流向原來(lái)氣泡占據的空間，形成沖擊力。。泵的金屬表面在這些沖擊力的作用下疲勞和損壞。氣蝕現象是由于空氣溫度和壓力的差異引起的，這導致氣泡的破裂形成沖壓并損壞材料。這被稱(chēng)為空化。
以上就是UAZ水泵小編為大家介紹的關(guān)于水泵汽蝕現象的相關(guān)知識。

關(guān)鍵詞：

汽車(chē)配件

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