Based on the open source code -DUNS for CFD, numerical investigation has been carried out in the thesis to gain an insight into the flow field of a supersonic inlet for pulse detonation engines and the phenomenon of gas mixture detonation.

• 本文采用数值计算的手段,基于计算流体力学开放源代码DUNS,对脉冲爆震发动机某进气道的内流场和爆震燃烧进行了研究。