大概许多读者都曾经听说过,飞行器在真正飞上天空之前,总是要被送到一种被称为“风洞”的设备中去“吹吹风”。为什么飞机、导弹、飞船、火箭等集众多当今人类顶尖技术于一身的飞行器在上天前,一定要去“吹风”呢?这种神秘的“风洞”又是怎样的一种设备呢? 功能神奇的风洞 决定一架飞机或其他飞行器的飞行性能,如速度、高度等,除 Many readers have probably heard that before a craft can actually fly into the sky, it is always about to be sent to a device called a “wind tunnel” to “blow hair.” Why aircraft, missiles, spacecraft, rockets and many other top-class aircraft in today's human flying in the sky, we must go to “hair” it? This mysterious “wind tunnel” is what kind of a device? The wind tunnel determines the flight performance of an aircraft or other aircraft, such as speed, altitude, etc., except