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通过对机载武器发射过程对发动机稳定性和性能影响的研究,分析了武器发射过程中发动机产生性能下降的机理;阐述了压气机的喘振边界的预测方法;建立了武器发射对发动机稳定性及性能的影响的计算模型,并开发了数值仿真系统。设计的系统扩展性强、通用性好、计算速度快。研究的方法及计算结果可为航空发动机及机载武器发射过程设计提供参考。
Based on the research on the influence of airborne weapon launch process on engine stability and performance, the mechanism of engine performance degradation during weapon launch is analyzed. The prediction method of compressor surge boundary is expounded. The effect of weapon launch on engine stability And the performance of the calculation model, and the development of numerical simulation system. The design of the system scalability, versatility, computing speed. The research methods and calculation results can provide a reference for the design of aeroengine and airborne weapon launch process.