無縫筒體 的英文怎麼說
中文拼音 [wúféngtǒngtǐ]
無縫筒體
英文
seamless shell- 無 : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
- 縫 : 縫名詞1. (接合處) seam 2. (縫隙) crack; crevice; fissure; slit
- 筒 : 名詞1 (粗大的竹管) a section of thick bamboo 2 (粗管狀物) thick tube shaped things 3 (衣服等...
- 體 : 體構詞成分。
- 無縫 : [冶金學] seamless無縫鋼管 gapless rail; seamless steel pipe; seamless steel tube; 無縫鋼管廠 seam...
-
According to non - newtonian fluid mechanics theory and mathematical method, conbined with plunger moving property, the hypothesize fluid is imcompressive, hydraulic radius of flow of liquid in crevice is very little, and it is laminar flow, the flow is treated fixed continuous flow at every instant position of plunger, equation of motion and boundary condition were set up in condition of concentric and eccentric of pump barrel and plunger
運用非牛頓流體力學理論和數理方法,結合抽油泵柱塞運動特點,假設液體為不可壓縮的,液體在縫隙中流動的水力半徑很小,呈層流流動,柱塞在每一位置的瞬間,流動做定常流處理,建立了泵筒與柱塞同心和偏心兩種情況下運動方程和邊界條件,引入無量綱坐標、無量綱速度和柱塞與泵筒偏心配合時的縫隙高度,並給出縫隙流流速、流量的解析解。
分享友人