frictional drag

基本解釋

This paper tries to pinpoint the frictional drag coefficients of dilute polymer solutions flowing through canvas hoses, obtained by experimental methods.
本文對高聚物稀溶液在帆布管內(nèi)流動的摩阻系數(shù)進(jìn)行了實驗研究。
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The frictional characters, the influence of material compatibility, the effect of NBR deformation on the starting frictional drag of friction pairs used in ASP flooding are investigated.
探討了丁腈橡膠在三元復(fù)合驅(qū)液中的摩擦過程特征、材料匹配性的影響和橡膠變形量對摩擦副啟動摩擦阻力的影響。
This paper introduces the commissioning process of Beijing-Tianjin Products Pipeline and analyzes the hydraulic condition of pipeline operation to find out the cause of high frictional drag.
介紹了津京輸油管道的概況和投產(chǎn)過程，對管道的運行狀況進(jìn)行了水力分析，找出了管道摩阻損失過大的原因。

Frictional drag means the air closest to the surface of the fuselage moves more slowly than the rest.
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