Abstract: The viewpoint about the optimized choose of the engine’s design parameters was offered to receive the necessary high thrust at the high altitude and high Mach number for the high performance military engine to achieve nonaugmented supersonic cruise The economization was given attention to also The engine simulation program was programmed, and a calculation aiming at an engine was processed with it The viewpoint is validated by the result

Key words: Aircraft engine;Supersonic characteristic;Motor performance parameter;Cruising flight;Performance analysis

摘要： 针对高性能军用发动机实现不加力超声速巡航所需要高推力性能的要求 ,并兼顾经济性 ,提出了发动机设计点热力参数的优化选择方案 ,并利用建立的发动机仿真程序 ,对某型发动机进行了计算 ,对提出的方案进行了验证

关键词: 航空发动机;超声速特性;巡航飞行;发动机性能参数;性能分析