Computational Analysis of Hydrogen-Fueled Scramjet Combustor with Diamond-Shaped Strut Injector at Mach 4

ABSTRACT Computational analysis of supersonic combustion of hydrogen using diamond-shaped injector with air inlet of 1040K is presented in this paper. The present model is based on the species transport combustion model with the standard k-? viscous model. As the Hydrogen fuel is injected from the diamond-shaped strut injector, it is successfully used to model the turbulent reacting flow field. By providing diamond-shaped injector, expansion wave is created which cause the proper mixing between the fuels and air and it results in complete combustion as well as pollution free of combustion. The combustion efficiency in the present work is found to be 93.8%. Keywords: CFD, combustion efficiency, diamond-shaped injector, supersonic combustion