某涡扇发动机过渡过程仿真研究
Simulation of Dynamic Performance of a Turbofan Engine
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摘要: 采用部件法建立了某型涡扇发动机加速过程动态模型,并对不同加速供油量下发动机的加速过程进行了数值仿真,分析了其对发动机性能参数的影响;研究了不同喷口面积调节对发动机加速性的影响。计算结果表明,该方法较为符合实际情况,可以作为该型发动机加速过程控制的模型。Abstract: The dynamic model for turbofan engine accelerating process was presented by utilizing component characteristics.The performance of accelerating process was studied under varied fuel supply plan.The surge range of high pressure and the effect of nozzle throat area are also considered.The results show the model accords better with the true situation.It can be used as a model for engine accelerating control.
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