drag force of the flow的意思|示意

Most of the natural river flows are non-uniform, but the start and the starting velocity drag force formula for formulas are based on uniform flow up.

天然河流大多属于非均匀流，但起动拖曳力公式和起动流速公式都是在均匀流的基础上建立起来的。

The vegetations' drag force and the work done by the force were induced to draw the effect of vegetation on the flow.

植被的阻碍作用反映为植被对水流的拖曳力和阻碍水流运动所做的功。

This paper proposes a 3d turbulence model, introducing vegetation density and drag force to the control equations of water flow with vegetation.

建立三维湍流模型，在水流控制方程中加入植被阻力项和植被密度项来考虑刚性植物对水动力特性和泥沙输运特性的影响。

With the increase of flow velocity and drag coefficient, the damping force increases.

测试得到随水流速度增加，阻力系数增大，系缆所受阻尼力也增大。

The adding of the drag reduction agent can reduce the friction force of the current and increase the flow speed as well as increase the conveying distance.

引入减阻剂后，可降低湍流磨擦阻力，提高流速。增大输送距离和提高管道输送能力。

Based on the dependence of gas flow drag force on ash accumulation for rotary air heater, the converted pressure drop is proposed and ash monitoring model is derived.

基于回转式空气预热器受热面积灰程度与烟气侧流动阻力间的依赖关系及其相关影响因素，提出了折算压差的概念，推导了积灰监测的计算模型。