In order to reach that goal a detailed knowledge of the highly unsteady flow around and in the wake of such propellers under various circumstances within the regular flight envelope and at their ...

The bottom openings are connected to ultra-quiet suction fans while the top openings allow natural air inflow. This unique feature prevents ingestion of self-turbulence and contamination of the ...

Since an aircraft can’t reach those speeds with a propeller, it follows that a wind tunnel cannot be driven ... You might think it involves compressing the air into smaller and smaller tubes ...

On December 17, 1903, Wilbur and Orville Wright became the first to make a controlled and sustained flight in a power-driven, heavier-than-air ... wind tunnel, they developed a propeller that ...