【摘要】 与传统的基于爆燃的发动机相比，连续爆轰发动机具有宽速域、高热力循环效率、自增压、快速释热等优势，逐渐引起了全世界越来越广泛的关注，被认为是一种能进一步提高推进性能的新型空天动力，属于现阶段我国大力倡导发展的“新质生产力”的范畴。本文简要综述了连续爆轰发动机常见的不稳定性现象和工程应用的研究现状、进展和不足，并针对不足提出了一些思考。本文中爆轰不稳定性包括多波现象、波分叉现象和纵向脉冲爆轰现象等；工程应用分为火箭式、冲压式和涡轮式连续爆轰发动机三种形式。更多还原

【Abstract】 Compared to traditional deflagration-based engines,rotating detonation engines offer advantages such as a wide speed range,high thermal cycle efficiency,self-suppression,and rapid heat release.These features have gradually attracted increasing attention worldwide and are considered a new type of aerospace propulsion that can further enhance propulsion performance.These engines fall within the scope of "new quality productivity" that China is strongly advocating for development at this stage.This paper briefly reviews the research progress of the common instability phenomena and engineering applications of rotating detonation engines.The instability phenomena discussed include multi-wave phenomena,wave bifurcation,and longitudinal pulse detonation,etc;the engineering applications are categorized into three forms:rocket-,ramjet-,and turbine-rotating detonation engines.更多还原