Features of the linear stage of the development of 3D disturbances in the plane Poiseuille-Couette flow |
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Authors: | I V Savenkov |
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Institution: | 1.Dorodnicyn Computing Center,Russian Academy of Sciences,Moscow,Russia |
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Abstract: | Within the framework of the triple-deck theory, the linear stage of the development of three-dimensional disturbances in the
Poiseuille-Couette flow was investigated. Numerical computations revealed “ripples” developing in the side direction in the
initial phase of the linear stage. As in the case of two-dimensional disturbances, an increase in the relative velocity of
the walls leads to the splitting of disturbances into two wave packets, of which the first grows faster and moves at a higher
velocity. The disturbances propagate within a certain angle range. |
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Keywords: | |
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