Progress in the Research of Gas-solid Powder Detonation and Its Propulsion Applications
Powdered fuel has broad application prospect prospects as fuels or additives in detonation propulsion systems due to their high energy density and excellent stability. Based on the classification of fuel types for gas-solid two-phase detonation and the application of powder detonation propulsion technology,the theoretical research progress on the detonation initiation and propagation characteristics of powdered fuel in oxidizer gas and gas fuel/oxidizer gas at domentically and internationally is reviewed. The theoretical and engineering aspects of heterogeneous detonation and hybrid detonation are summarized,highlighting the key factors affecting the initiation and propagation characteristics of gas-solid two-phase detonations,as well as important conclusions. Furthermore,the two-phase detonation engines are reviewed from the perspectives of application prospects,propulsion performance,difficulties and challenges,etc. Based on the summary of the numerical and experimental research status of powder detonation engines,the future research work that needs to be carried out is prospected.
powdered fueldetonation engineheterogeneous detonationhybrid detonationdetonation initiation and propagation characteristics
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