Controlling the sonic boom from a thin body by means of local heating of the incoming flow |
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Authors: | A V Potapkin D Yu Moskvichev |
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Institution: | 1. Khristianovich Institute of Theoretical and Applied Mechanics, SB RAS, 630090, Novosibirsk, Russia
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Abstract: | The problem of reduction of the sonic boom level by heating the flow in front of the body is solved numerically. A combined method of “phantom bodies” is used for calculations. The sonic boom generated by an axisymmetric thin body for the flight Mach number of 2 with different levels of energy supply to the incoming flow is calculated. The calculation results show that the sonic boom can be reduced by means of local heat supply to a supersonic gas flow. Reduction of the sonic boom level is provided by specific gas-dynamic features of the flow behind the heat supply zone. |
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