suction lift

基本解釋

There is zero leading-edge suction, and the lift and induced drag are simply .
平板機(jī)翼沒有前緣吸力，并且升力和誘導(dǎo)阻力都比較簡單。
The cause of the reduction of lift lies in that, the losses of suction at upper surface are more than the increases of pressure at lower surface.
升力系數(shù)的減小主要是由于地面效應(yīng)引起流場改變，下翼面壓力的增加量小于上翼面吸力的減小量引起；
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Thus, in the worst case of zero leading-edge suction, the drag-due-to-lift factor K is simply the inverse of the slope of the life curve (in radians), as previously determined.
因此，零前緣吸力的最壞情況是：由升力引起的阻力系數(shù)K是前面確定的升力曲線斜率的倒數(shù)（弧度制）。