Research on drag reduction mechanism of supercavitation shows that supercavitation can reduce not only the friction drag coefficient but also the pressure drag coefficient.
超空泡减阻机理的研究表明：超空泡不仅可以减小回转体的摩擦阻力，还可以减小回转体的压差阻力。
Basing on the conception of local drag coefficient in the pipeline field, the pressure drop coefficient of fluid in each inclined flue under different condition of pressed brick was calculated.
借鉴管路计算中局部阻力系数的概念，进一步计算了斜道区不同压砖情况下的压力损失系数。
Test results show that the drag coefficient and the law of hydrostatic pressure are independent of the entrance tube type.
证明了引入管布置型式对减温器阻力系数和静压分布规律并无影响。
The magnitude of pressure has nothing to do with the direction of the rotation and the drag coefficient is larger than that of a non-rotation golf ball.
并发现带有旋转效应的凹坑高尔夫球受到的阻力系数增大；
The magnitude of pressure has nothing to do with the direction of the rotation and the drag coefficient is larger than that of a non-rotation golf ball.
并发现带有旋转效应的凹坑高尔夫球受到的阻力系数增大；
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