计算结果显示，浮力加速了燃烧产物的上升，而这又加强了燃烧器出口附近的向上气流。
The results show that buoyancy accelerated the rising plume of product and that the accelerated flow of the product in turn enhanced the rising flow near the burner exit.
气流在划过鸟类双翼时会在其后面弯曲向上，这是一种叫上升流的现象。
The air flowing over a bird’s wings curls upwards behind the wingtips, a phenomenon known as upwash.
浮标的向上运动则产生吸力，可将阀球提起，这样可允许气流受力并返回至配重管。
Upward motion of the buoy causes a suction which lifts the balls, thus allowing air to be drawn back down the counterweight tube.
应用推荐