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Method and apparatus for signaling permission to completely shut down an aircraft gas turbine engine
Method and apparatus for signaling permission to completely shut down an aircraft gas turbine engine
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机译:用于信号通知完全关闭飞机燃气涡轮发动机的许可的方法和设备
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摘要
A method of notifying an authorization to shut down completely an aircraft gas turbine engine, the method being applied after detecting that the engine has passed to an idling speed, and including a) an evaluation step of using a value of a first operating parameter of the engine to evaluate a value for a second parameter T45MG wherein a thermal behavior of a part of the engine that might be subjected to coking; b) a comparison step (E30) of comparing the value of the second parameter T45MG with a predefined threshold value T45thresh corresponding to a value of the second parameter that does not lead to coking of the part; and c) a notification step of notifying authorization to shut down completely the engine if the value of the second parameter T45MG is lower than the value of the predefined threshold T45thresh, else reiterating steps a) to c).
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