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应用本文作者建立的改进多子区平行压气机模型,对进气畸变下双转子涡喷发动机的实际工况进行了仿真,得到了发动机各截面的总温、总压以及工作过程参数与性能参数等随低压转子相对折合转速nCOY,L的变化规律。特别是能从表征高、低压压气机气动稳定性的参数随nCOY,L的变化规律中看出双转子发动机的稳定工作范围。分析表明仿真结果与进气畸变下整机台架试验的参数变化规律相符。该仿真模型可作为发动机辅助设计与试验以及进气道/发动机相容性评定的有利工具。
By using the improved multi-sub-zone parallel compressor model established by the author, the actual operating conditions of twin-rotor turbojet with intake distortion are simulated and the total temperature and total pressure of each section of the engine and the working process parameters and performance parameters With the relative speed of low-voltage rotor nCOY, L variation. In particular, from the characterization of high and low pressure compressor aerodynamic stability of the parameters with nCOY, L changes in the law that dual-rotor engine stable operating range. The analysis shows that the simulation results are consistent with the variation of parameters of the whole bench test under the condition of intake distortion. The simulation model can be used as an engine aided design and test and inlet / engine compatibility assessment of the favorable tools.