Unsteady simulation of jets in a cross flow (Q1368653)
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scientific article; zbMATH DE number 1067830
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Unsteady simulation of jets in a cross flow |
scientific article; zbMATH DE number 1067830 |
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Unsteady simulation of jets in a cross flow (English)
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1 June 1998
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Effects of the computational time step and grid stretching on numerical solutions of a two-dimensional laminar boundary layer with a planar jet injected from a wall are investigated using a fully implicit time advancement scheme. A full three-dimensional numerical simulation has been performed to qualitatively investigate the interaction of jets in a turbulent cross flow using the direct numerical simulation technique. Turbulent vortex sheddings are observed behind jets a show a rapid diffusion in the down-stream. It is also shown that a counter-rotating vortex pair existing in the downstream of the jet plays an important role in the dynamics of the jet in a cross flow.
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large CFL number
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time step
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grid stretching
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two-dimensional laminar boundary layer
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planar jet
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turbulent cross flow
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vortex sheddings
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counter-rotating vortex pair
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