摘要
分析了航空发动机各部件性能退化原理;分别建立了压气机、燃烧室、涡轮性能退化的部件模型;根据航空自由涡轮式涡轴发动机的工作和使用特点,建立了性能退化的涡轴发动机数学模型;利用该模型,仿真研究了不同部件性能退化对涡轴发动机性能参数的影响。结果表明,建立的模型正确反映了部件退化对涡轴发动机的影响。
The performance deterioration theory of aeorengine components was analyzed. The models of compressor, combustion chamber and turbine were respectively established. According to the operation and utilization characteristics of free turbine turboshaft engine, the mathematical model of performance deterioration for turboshaft engine was established. The effect of different component performance deterioration on the performance parameters of turboshaft engine was stimulated. The results show that the effect of component deterioration on the turboshaft engine is accurately reflected with the model.
出处
《航空发动机》
2010年第4期26-28,25,共4页
Aeroengine
基金
航空科学基金(20090608001)资助
关键词
涡轴发动机
性能退化
数学模型
数值仿真
turboshaft engine
performance deterioration
mathematical model
numerical simulation
