Tip vortex goes downstream outward along the span direction, and the induced drag of the wing decreases.

翼尖涡沿着展向方向向外移动，机翼诱导阻力减小。

youdao

Tip vortex goes downstream outward along the span direction, and the induced drag of the wing decreases.

翼尖涡沿着展向方向向外移动，机翼诱导阻力减小。

youdao