CAJ | 학술논문

风挡电加温系统的控制规律是系统设计的重要部分。采用有限容积法模拟某型机风挡加温系统的控制规律，计算飞行包线下的温度和电加热功率的瞬时变化情况，分析在不同的天气条件下温度和加热功率瞬态变化的差异，得到实际情况下系统的工作规律。结果表明：由于玻璃具有热惯性，系统加温达到稳定状态后，基本上在较低的功率水平工作；外表面和导热膜的温度受外界环境影响较大，内表面的温度在加热过程中总体呈现增加趋势；设计时控制规律还可不断优化，以使系统具有更好的加热效率。该研究结果可为风挡加温系统的设计提供参考。
풍당전가온계통적공제규률시계통설계적중요부분。채용유한용적법모의모형궤풍당가온계통적공제규률，계산비행포선하적온도화전가열공솔적순시변화정황，분석재불동적천기조건하온도화가열공솔순태변화적차이，득도실제정황하계통적공작규률。결과표명：유우파리구유열관성，계통가온체도은정상태후，기본상재교저적공솔수평공작；외표면화도열막적온도수외계배경영향교대，내표면적온도재가열과정중총체정현증가추세；설계시공제규률환가불단우화，이사계통구유경호적가열효솔。해연구결과가위풍당가온계통적설계제공삼고。
The control law is the important part of the windshield heating system design .The control law is sim‐ulated by finite volume method .The influence of the climate on the system is analyzed by simulating the control rules under the whole flight envelop .The work rules of system in the actual situation are obtained .The final re‐sults demonstrate that system operates at the lower power when it is stable because of the thermal inertia .The environment has a great influence on the temperature of outer surface and heat conducting film .The tempera‐ture of the inner surface increases when system is working .The control law can be optimized to increase the sys‐tem heating efficiency .It can be provided as a reference to the design for the windshield heating system .