用导弹模拟器诱喘的飞行试验
FLIGHT TEST ON ENGINE SURGE INDUCED BY SIMULATED MISSILE FIRING
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摘要: 本试验是研究双轴涡喷发动机工作稳定性的飞行试验的一部分。在飞行试验台上,采用击发导弹模拟器的方法,造成发动机进口温度畸变,并通过动态测量参数,研究发动机不稳定工作。试验是在不同的飞行和发动机状态,以及模拟器装药不同的条件下进行的。全部试验,发动机均经受了喘振,除四次因喘振过程瞬时降油退喘外,其余均因喘振停车。Abstract: Based on flight test data of the engine surge induced by simulated missile firing, the behaviors of the surge are analyzed. The space and time response to the surge, the features of the surge course, and the formation and movement of the hammer shock are considered.
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