Abstract: Experimental investigation on detonative range,inner flow gas temperature and wall temperature of pulsed detonation engine was made.The experimental investigation was carried out on a test model of pulsed detonation engine that adopted gasoline/air mixture and its purpose was to master the condition,mechanism and regularities of forming detonation wave as well as factors influencing detonative range,inner flow gas temperature and wall temperature in pulsed detonation engine in order to provide technical base for the design of pulsed detonation engine

Key words: Pulsejet engine;Deflagration;Detonation wave +;Detonative range +;Combustion temperature;Wall temperature

摘要： 在脉冲爆震发动机原理性试验模型上对脉冲爆震发动机的可爆范围和内流燃气温度、壁温进行实验研究，掌握在脉冲爆震发动机中形成爆震波的条件、机理，以及影响可爆范围和内流燃气温度、壁温的因素及其规律，为脉冲爆震发动机的设计提供技术基础。

关键词: 脉冲式喷气发动机;爆燃;爆震波＋;可爆范围＋;燃烧温度;壁温