barrel of pump 中文意思是什麼
barrel of pump
解釋
泵體-
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。 -
Just only need contacts between the air - powered pump and 2 ” hole of standard barrel to fulfill the functions
所有功能實現，只需要氣力泵與標準桶的一個2 」聯結。 -
The new unit adopts hollow sucker rod working with pump and as fluid passage instead of conventional sucker rod, and uses a new hanger to fix the one - piece barrel rod pump on the casing wall, improving the operation stability of the subsurface pump
針對這種情況，大港油田新世紀機械製造有限公司研製成功一種新型無油管採油裝置，這種裝置以空心抽油桿代替實心抽油桿帶泵工作併兼作出油流道，還通過一種新型懸掛器將整筒抽油泵固定在套管壁上，提高了抽油泵的工作穩定性。 -
In the past year, oil has blown by $ 50 a barrel and peaked briefly at $ 70 altitudes, sending prices at the gas pump temporarily into the psychologically jarring territory north of $ 3 a gallon
過去一年，油價飆升到每桶50美元並且曾一度達到70美元的峰值，加油站每加侖3美元的油價曾一度使北部地區心驚肉跳。
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