Numerical analysis of fuel regression rate and flow field in solid fuel ramjet with the gas generator

Abstract In this paper, to improve the combustion characteristics and working performance of solid fuel ramjet, a ramjet with gas generator is proposed. Based on k − ω SST Eddy-Dissipation equations, turbulent model established, internal flow field as well regression rate, species, were numerically analyzed. The results show that temperature rate increased. When airflow 0.4kg/s, increase will lead more obvious increase, maximum value by 33%. 0.6kg/s, evenly distributed along axis. flame makes head burn completely, chamber increases, average increases 14%.