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Roughness-induced transition of compressible laminar boundary layersold_uid | 8142 |
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title | Roughness-induced transition of compressible laminar boundary layers |
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start_date | 2010/02/11 |
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schedule | 12h-13h |
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online | no |
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summary | Direct numerical simulation is used to study flow over a roughness
element in a flat plate boundary layer at high speed. The roughness element
is modeled as a continuous bump with a height that is approximately half
the boundary-layer thickness. Simulations with a variety of Mach numbers
and wall temperatures have been run over a range of Reynolds numbers, and
the results are used to establish a criterion for turbulent breakdown. |
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responsibles | Aujol, Beauchard, Pauchont |
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