Abstract
The unsteady interaction of plane-channel wall boundary layers with a supersonic inviscid flow is investigated. The flow regimes in which disturbances introduced by the boundary layer developing on one wall influence the boundary layer on the other wall are considered. The regime of relatively large pressure disturbance amplitudes generated near the nozzle outlet or by deforming the channel walls is studied. In these conditions, the interaction process is described by a system of Burgers equations with retarded arguments. Numerical solutions of this system are obtained for symmetric and antisymmetric perturbations of the channel walls.
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Dubinskii, S.V., Lipatov, I.I. On Disturbance Propagation in Internal-Flow Boundary Layers. Fluid Dynamics 39, 565–573 (2004). https://doi.org/10.1023/B:FLUI.0000045671.43477.c0
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DOI: https://doi.org/10.1023/B:FLUI.0000045671.43477.c0