风洞,是指在一个管道内,用动力设备驱动一股速度可控的气流,用以对物体(被试验的飞行器或其模型等)进行空气动力实验的一种设备。它可以用来测试各种飞行器在飞行过程中可能受到的各种力。飞机等航空、航天飞行器在进入试飞或太空之前都要经 A wind tunnel is a device in a pipeline that uses a power plant to drive a stream of air with a controlled speed to conduct aerodynamic experiments on an object (the aircraft being tested or its model, etc.). It can be used to test the various forces that various aircraft may experience during the flight. Aircraft and aerospace vehicles such as aircraft must pass through before they enter the test flight or space.