How to confine detonations in a combustor is one of key issues in the study of detonation engines.Based on the controll schemes,the detonation engines can be divided into oblique detonation wave engine（ODWE）,pulsed detonation engine（PDE） and rotating detonation engine（RDE）.The detonation confined in the combustor is different with that described by the classic CJ theory in the aspects of general and fine structures and its self-sustaining mechanisms.In the present paper,analysis,comparison and review are performed on the fundamental structures of harness detonations,which is of help for the understanding and research on detonation engines.%爆轰发动机研究的关键技术之一是如何将其控制在燃烧室内.根据控制手段的不同,爆轰发动机可大致分为：驻定爆轰发动机、脉冲爆轰发动机和旋转爆轰发动机.存在于燃烧室的爆轰,在宏观和精细结构以及自持机理等方面皆不同于CJ（Chapman Jouget）理论为基础的经典爆轰.本文将对此类无害爆轰的特征结构进行分析、比较与评述,这对了解爆轰理论和研制爆轰发动机是有益的.
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