高超声速飞行器动力系统研究进展

A REVIEW ON HYPERSONIC AIRBREATHING PROPULSION SYSTEM

简要介绍了高超声速飞行器动力系统的概况.第2部分介绍了超燃冲压发动机、爆震发动机和组合循环发动机等典型高超声速吸气式发动机的基本工作原理与系统组成,描述了各自的特点.第3部分阐述了高超声速飞行器动力系统存在的难点问题,并列出了在总体设计、进气道、燃烧室、尾喷管、热防护、轻质结构、燃油供应与控制等方面的关键技术.第4部分回顾了上述几种典型发动机的发展历程,比较全面地介绍了世界主要航空、航天大国在动力系统关键技术攻关与系统研制方面的主要研究计划和取得的主要进展,总结了经验教训,指出了发展趋势.第5部分阐述了高超声速飞行器动力系统中的燃烧过程及其燃烧基本问题,介绍了主要研究进展.

A brief introduction of the hypersonic airbreathing propulsion system is first given, followed by a descriptions of working principles and composition of typical hypersonic airbreathing engines, including scramjet, detonation engine and combined cycle engine＇s. In the third part, the key difficulties encountered in developing these engines are presented together with relevant key technologies, such as concept design, inlet, combustor, nozzle, heat protection, light structure and fuel fedding/controlling. The main projects of hypersonic airbreathing propulsion system and the advancement achieved are reviewed in the fourth part, as well as lesson learned and developing trends. The fifth part is focused on the combustion process and the mechanisms in these engines, where a survey on relatd research works is given.