|
發(fā)布時(shí)間: 2012-11-7 11:00
正文摘要:葉輪所排出的液體可能會(huì)從葉輪與泵殼之間的間隙漏向吸人口,這種內(nèi)部泄漏會(huì)降低泵的ηv ,使泵的Q和H減小。為了減少內(nèi)部漏泄,必須使泵殼和葉輪進(jìn)口處的間隙做得很小,這樣,在葉輪人口處即需 ... |
|關(guān)于我們|網(wǎng)站地圖|油氣儲(chǔ)運(yùn)網(wǎng) ( 魯ICP備11007657號(hào)-3 )
GMT+8, 2024-11-8 03:10 , Processed in 0.023256 second(s), 14 queries , Gzip On, MemCached On.
Powered by Discuz! X3.5
Copyright © 2001-2023, Tencent Cloud.