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本文首先给出了临界温度的计算方法,对影响临界温度的因素进行了分析,表明压力系数是临界温度的决定性因素,最小压力系数处临界温度最大;其次计算了某型超临界机翼不同截面不同飞行状态下的临界温度,即使外界大气温度高于0℃在一定飞行状态下机翼特定位置已开始结冰;最后讨论了临界温度分析在主导式结冰探测系统验证上的应用。
This paper first gives the calculation method of critical temperature and analyzes the factors that affect the critical temperature. It shows that the pressure coefficient is the decisive factor of the critical temperature, and the critical temperature is the minimum at the minimum pressure coefficient. Secondly, The critical temperature in different flight states begins to freeze at a certain position of the wing under a certain flight condition even though the outside air temperature is higher than 0 ° C. Finally, the application of critical temperature analysis in the verification of the dominant icing detection system is discussed.