A Two-Dimensional Computational Analysis Over an Open Cavity with a Shock Impingement

Open cavities in aviation play a vital role in the performance characteristics. Landing gears, weapons bays, combustion chamber and several other components have a shear layer influencing the cavity. Future aerospace vehicles and configuration of missiles take the cavity flow at supersonic conditions as a prerequisite. The flow physics is studied when the shear layer on a rectangular open cavity is impinged with a shock wave. A wedge has been used to generate an oblique shock. Length to depth ratio of the cavity is 3 at an angle of attack of zero degrees. An explicit density-based solver is used for the simulations. The influence on the flow characteristics, pressure distribution, drag and the recirculation within the open cavity has been investigated and compared for with shock impingement and without shock impingement cases at a supersonic Mach number of 3.