The difference between the front and back bulge edges results in pressure drag which increases with increasing bulge density and height, and with decreasing duty ratio.

结果显示，由于矩形形貌的影响，形成了压差阻力，压差阻力随形貌突起高度或密度的增加而增大，随突起占空比的增加而减小。

youdao

The difference between the front and back bulge edges results in pressure drag which increases with increasing bulge density and height, and with decreasing duty ratio.

结果显示，由于矩形形貌的影响，形成了压差阻力，压差阻力随形貌突起高度或密度的增加而增大，随突起占空比的增加而减小。

youdao