Abstract
The prime issue in supersonic combustion is proper mixing within short duration of time. Computational study has been performed to analyse the mixing of air and fuel using cross flow injection technique. Cross flow injection is performed by placing the fuel injectors on the walls of the scramjet engine which is perpendicular to the flow. To enhance the mixing of fuel and air, cavities were introduced. The flow recirculation inside the cavity will enhance the mixing and combustion. The fuel injectors were placed just upstream of the cavity. Analyses were done by changing the injection angles. The air is allowed to enter at different Mach numbers and the changes were analysed using ANSYS software. The roles of cavity cross flow injection, pressure, temperature, velocity and Mach number variation were examined in this study and the obtained results were compared between various configurations.
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