Progress of continuously rotating detonation engine research

Continuously Rotating Detonation Engine (CRDE)is one kind of new-concept deto-nation-based engines.It has several advantages,including one-initiation,fast combustion veloci-ty,high thermal efficiency and simple structure.Due to these characteristics,it is expected to bring revolutionary advancements to aerospace propulsion systems and has already drawn much attention throughout the world.In this paper,an overall review of the development of CRDE is given from several aspects:basic concepts,applications,experimental studies,numerical simula-tions,and so on.Representative results and outstanding contributions are summarized,and the unresolved issues for further engineering applications of CRDE are discussed.