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Investigation of the effect of heavy gas injection into a supersonic boundary layer on laminar-turbulent transition |
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| Authors: | S?A?Gaponov Yu?G?Ermolaev N?N?Zubkov A?D?Kosinov |
| Institution: | 1.Khristianovich Institute of Theoretical and Applied Mechanics,Siberian Branch of Russian Academy of Sciences,Novosibirsk,Russia;2.Bauman Moscow State Technical University,Moscow,Russia |
| Abstract: | The effect of distributed tangential injection of heavy SF6 gas into the wall zone of a boundary layer on the supersonic flow stability and laminar-turbulent transition is experimentally and theoretically investigated at the freestream Mach number M∞ = 2. For the first time it is experimentally shown that in the case of this injection laminar-turbulent transition is downstream displaced. |
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