风洞是一种重要的航空试验设备,它对于研究空气动力学的基本理论和飞行器型号设计都具有极其重要的意义,尤其是现代飞行器的设计对风洞试验的依赖性很大,如当年美国研制 B-52战略轰炸机就曾进行过上万小时的风洞试验,而研制第一架航天飞机则进行了约10万小时的风洞试验。因此,有人风趣地说:飞机是“吹”出来的。此话不无道理,风洞不仅对空气动力学的理论研究非常重要,而且对 Wind tunnel is an important aeronautical test equipment, which is of great significance for the study of the basic theory of aerodynamics and aircraft model design. In particular, modern aircraft design relies heavily on wind tunnel tests. For example, Tens of thousands of hours of wind tunnel tests have been conducted in the development of the B-52 strategic bombers, and about 100,000 hours of wind tunnel tests have been conducted in the development of the first space shuttle. So, it is funny to say that the plane is “blown ” out. It goes without saying that wind tunnels are not only important for the study of aerodynamics