大气结冰(英语:atmospheric icing)是指当与物体连结的水滴在空气中结冰。这种情形对于航空器来说非常危险,因为结冰的部份可能会改变机体表面的空气动力学,并会造成升力的降低,甚至导致坠机。
![Thumb](http://upload.wikimedia.org/wikipedia/commons/thumb/9/95/Windbuchencom.jpg/640px-Windbuchencom.jpg)
并非所有的水都是在摄氏0°C(或华氏32°F)结冰。低于这个温度的液态水被称为过冷(supercooled),而正是这些过冷的水滴造成航空器的结冰问题。但低于零下20°C时却少有结冰情形,原因是在这样的温度下,云中包含的是冰的微粒,而非水滴。
- FAA (U.S.) Advisory Circular 20-113: Pilot Precautions and Procedures to be taken in Preventing Aircraft Reciprocating Engine Induction System and Fuel System Icing Problems
- FAA (U.S.) Advisory Circular 20-117: Hazards Following Ground Deicing and Ground Operations in Conditions Conducive to Aircraft Icing
- FAA (U.S.) Advisory Circular 20-147: Turbojet, Turboprop, and Turbofan Engine Induction System Icing and Ice Ingestion
- Wind Energy in Cold Climates: Icing on wind turbines
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