Numerical analysis about the gas-solid phase flow field of the ramjet secondary firebox

By using the K-epsilon 2-equ model, the combustion process of the two-phase flow in the ramjet secondary firebox was numerical simulated, and at different diameter of initial particles, air-fuel ratio, aluminum particle content and varies of the flying height, the variety of temperature and the distribution of A1₂O₃ are given, and analyzed the influence of them to the flow field parameters and the combustion efficiency. The conclusions gotten provide references to the design of the ramjet secondary firebox.