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飞机在飞行中,遭遇过冷水滴等适合结冰条件的外界环境时,机体相关部位将会结冰,使得飞机的空气动力性能变坏,严重时危及飞行安全。另外,冬半年飞机停放在露天,也会出现结冰现象,需要在起飞前进行清理。因此,应该掌握飞机结冰的机理、环境因素及机体容易结冰的部位。本文介绍了一种利用风洞进行结冰模拟的装置,通过风洞的结冰模拟可以再现飞机结冰的真实情况,对于指导实践收到了较好的效果。
When the aircraft encounters an external environment suitable for icing conditions such as cold water droplets in flight, relevant parts of the body will freeze, making the aerodynamic performance of the aircraft worse, and endangering flight safety in severe cases. In addition, the aircraft parked in the open air in the winter half of the year, there will be icing phenomenon, need to be cleared before take-off. Therefore, we should grasp the mechanism of aircraft icing, environmental factors and body parts easily frozen. In this paper, a device for simulating icing using wind tunnel is introduced. The icing simulation of wind tunnel can reproduce the real situation of icing and receive good results for guiding practice.