物体相对于流体运动所受的逆物体运动方向或沿来流速度方向的流体动力的分力。
流体阻力损失增大。
证明了流体阻力的影响是不可忽略的，而圆板转动惯量的影响是较小的。
It is demonstrated that the influence of fluid resistance can not be neglected and the effect of moment of inertia of plate may be cancelled.
减阻剂的作用区域在流体的湍流区，它能有效的降低流体阻力增加流量。
Working area for drag reduction agents (dra) is in turbulence area, and it can reduce resistance as well as increase transportation effectively.
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