飞机除冰液在冰中的渗透性能影响因素分析

Research Aircraft Deicing Fluid Permeability of Ice

为了提高飞机除冰液适航验证能力,根据《AIR 6211 Ice Penetration Test Method for Runways and Taxiways Deicing/Anti-icing Chemicals》标准试验方法,研究分析了温度、冰点、渗透压和分子大小对飞机除冰液渗透性能的影响。试验结果表明:随着温度的降低,飞机除冰液对冰的渗透性逐渐减小;在相同温度下,牛顿流体型除冰液的渗透性优于非牛顿流体型除冰液;飞机除冰液的冰点和渗透性无直接关系而与渗透压相关,且渗透压越大,对冰的渗透性越好。

In order to improve the ability of aircraft deicing fluid airworthiness certification, making a research and analysis of aircraft deicing fluid influence on the permeability of ice through temperature, freezing point, osmotic pressure and the molecular weight respectively, according to《AIR 6211 Ice Penetration Test Method for Runways and Taxiways Deicing/Anti-icing Chemicals》. The results show that the depth of aircraft deicing fluid on the penetration of ice decreases as the temperature is reduced. The permeability of Newtonian-fluid is better than non Newtonian-fluid at the same temperature. The permeability of aircraft deicing fluid has no direct relation to the freezing point and associated with osmotic pressure. Moreover, the higher pressure, the better permeability of ice.