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以某型涡扇发动机为例,介绍应急航空发动机控制,并根据不同的紧急事件,给出两种应急控制模式:增推力控制和快速反应控制.仿真结果显示:释放限制后,增推力控制可以为发动机额外提供16.6%的推力,但同时涡轮前温度上升10.8%;而在标准循环下,快速反应控制将低压转子上升时间从原来的2s缩短至1.675s,响应速度明显加快,与此同时,压气机稳定裕度下降6.05%,高压涡轮导向叶片热机械寿命下降5.16%.
Taking a certain type of turbofan engine as an example, this paper introduces emergency aeroengine control and gives two kinds of emergency control modes according to different emergencies: increasing thrust control and rapid response control.The simulation results show that after the release limit is increased, the thrust control can be Providing 16.6% additional thrust for the engine, while the pre-turbine temperature increased by 10.8%. In the standard cycle, the rapid reaction control shortens the rise time of the low-pressure rotor from 1.6s to 1.675s and the response speed is obviously accelerated. Meanwhile, Compressor stability margin decreased 6.05%, high-pressure turbine-driven blade thermal mechanical life decreased 5.16%.