Abstract
In order to investigate the mechanism of the formation of the high pressure region which is caused by the type IV interaction, and to develop an alternate control method, the two-dimensional RANS equations were solved to simulate the interaction under the condition of free stream Mach number 3.45 and oblique shock angle 30°. The configuration of type IV interaction is well illustrated, and the mechanism of the formation of high peak values of pressure is revealed. The prediction of surface pressure without energy deposition is found to be in good agreement with experiments. Continuous energy injection is used to control the flow field to decrease the peak values of pressure. The result shows that the peak value decreased by more than 70%, which suggests that there is a potential for continuous energy deposition control of type IV interaction to protect the blunt leading edge.
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