飞机风挡防(除)雾系统安全性能分析

Security Performance Analysis of the Defog System of the Airplane Windscreen

飞机的风挡防（除）雾对飞行安全具有十分重要的意义。为此，重点研究飞机风挡内表面热气防（除）雾系统的性能，针对自由射流热空气防（除）雾系统，建立了其稳态安全性能评判模型，并以某型飞机风挡为例，在两种供气条件下，分析和计算了系统的结雾情况。

Anti-fog or defog system of an airplane is of great importance for its safety. The performances of the defog system of the inner surface of the airplane windscreen are studied.Judgement model of the security performance of a steady state is built for the defog system using hot air of free jet flow. The system performances of the windscreen are analyzed and calculated under two different current of hot air supply.Conclusions are obtained from this observation.