Abstract:
We consider nonlinear wave motions in strongly buoyant mixed forced–free convection boundary layer flows. In the natural limit of large Reynolds number the nonlinear evolution of a single monochromatic wave mode is shown to be governed by a novel wave/mean-flow interaction in which the wave amplitude and the wave induced mean-flow are of comparable size. A nonlinear integral equation describing the bifurcation to finite-amplitude travelling wave solutions is derived. Solutions of this equation are presented together with a discussion of their physical significance.
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Received 10 December 1996 and accepted 14 April 1997
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Denier, J., Stott, J. & Mureithi, E. Nonlinear Wave Motions in Stratified Boundary Layers . Theoret. Comput. Fluid Dynamics 10, 105–114 (1998). https://doi.org/10.1007/s001620050053
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DOI: https://doi.org/10.1007/s001620050053