To facilitate hot-fire tests of single element gas/gas injector chamber, a method used to reveal the combustion development and completion length of the chamber flowfield was designed, which combines wall temperature measurement and numerical simulation of gas/gas combustion flowfield. The impacts of using various turbulence and combustion models was investigated to obtain the models which best represented the experimental data. And influences of H2/O2 momentum ratio and chamber pressure on shear-coaxial injector combustion flowfield were investigated. The result shows that the better mixing and the shorter combustion length can be obtained with the larger H2/O2 momentum-ratio and the chamber pressure can hardly influences the combustion flowfield.
Wang Xiaowei, Jin Ping, Cai Guobiao.Method for investigation of combustion flowfield characteristics in single element gas/gas injector chamber[J] JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2009,V35(9): 1095-1099