Abstract
The interference effects of side jets with supersonic cross flow for a lateral jet controlled missile are simulated numerically. Three-dimensional Navier–Stokes equations along with Menter's SST turbulence model are solved using a commercial CFD software. Effect of angle of attack, ratios of free stream and jet pressure, number of jets, etc. have been systematically studied. A very good agreement between computed and experimental surface pressure has been obtained. From detailed flow field analysis it is observed that the generation of pitching moment is taking place due to low pressure region behind the jet nozzle and the normal force and pitching moment is seen to vary linearly with the jet pressure ratio.
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