shroud n. 1.裹尸布,尸衣。 2.覆蓋物,屏蔽,掩蔽(物),幕,帳。 3.【航空】罩,側(cè)板;【機械工程】護罩;套管;(水車的)側(cè)板。 4.〔pl.〕【航?!恐λ?;【航空】= shroud line 降落傘的吊傘索。 a shroud ring 【機械工程】覆環(huán)。 wrapped in a shroud of mystery 籠罩著神秘的氣氛。 vt. 用裹尸布覆蓋;覆蓋,隱藏。
In the first part, the method of velocity coefficient was used to design a 100mm diameter impeller with five single-arc-cylinder blades, and the method of velocity moment was applied to design the volute " s cross-section . the volute " s cross-section is a rectangle, which was designed as a whole structure with the front shroud of the pump . a special lighting window was designed on the side 在第一部分工作中,設(shè)計了一個帶半開式葉輪的微型泵:葉輪外徑100mm、共5片單圓弧圓柱形葉片;蝸殼采用速度矩法設(shè)計,內(nèi)為矩形斷面,和泵殼前蓋板為一整體、透明結(jié)構(gòu),側(cè)面專門設(shè)計一個打光窗口。