coefficient of drag

The coefficient of drag and coefficient of lift in the circumstance of rotating wheels is lower .

汽车在车轮旋转情况下，阻力系数和升力系数比车轮静止情况下的低。

Experiment results show : the coefficient of drag force CD reduces , the coefficient of lift force CL rises and the XCP moves backward .

实验结果表明：喷流后弹丸阻力系数下降，升力系数上升，压心后移，并对引起气动力变化的原因做了简要分析。

This thing isn 't within 10000 kilometers of ' pretty . ' But it 's worth noting that the smooth-skinned S-class achieves a 0.24 coefficient of drag , making it more aerodynamically efficient than a Toyota Prius .

这家伙与“帅气”一词相差十万八千里。然而，值得指出的是，车身线条流畅的S级的风阻系数仅为0.24，因此它在空气动力方面的表现要好于丰田（Toyota）的普锐斯。

In the end , the effect of coefficient of aerodynamic drag , rolling resistance coefficient and efficiency of powertrain on fuel economy are analysed .

最后，分析了风阻系数、迎风面积、滚动阻力系数和传动系效率对整车燃油经济性的影响，为ISG-MHV进一步的优化设计提供了依据。

By properly determining the coefficient of the shape drag and its beginning time of action the calculated results could agree well with the experimental data .

适当选取形阻修正系数及修正项引入时刻，计算数据与数十公斤装药战斗部近区实验结果十分接近。

It is shown that a numerical method can calculate velocity deficits and width of the impeller viscous wakes , with the help of attenuation law of rotor blades wakes in axial flow compressors , and flow loss coefficient instead of blades drag coefficient .

参照轴流压气机动叶尾迹衰减规律，利用流动损失系数代替叶栅阻力系数，给出了离心叶轮出口粘性尾迹速度亏缺值及其宽度的计算方法。