By doing integral computation on the wake surface that is down from the aircraft and vertical to the velocity of far field, it can get the lift, induced drag, wave drag and the total drag.
在飞行器所在流场的下游一垂直于来流速度的截面上进行积分计算，得到升力、诱导阻力、激波阻力和总阻力。
The wing sails with 3.1 percentage of essential wing area have observable efficiency in reducing induced drag. The factors of the induced drag were reduced by 20 percent.
总面积为3．1％基本翼面积的翼尖帆片对减少诱导阻力具有明显效果，诱导阻力因子减小20％左右。
Drag was decomposed to entropy drag and induced drag, according to the physical mechanism of drag production, based on the wake integral method, which was very useful for drag reduction design.
利用尾迹积分法按阻力产生的物理机制，将阻力分解为熵增阻力和诱导阻力进行数值计算。
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