Second-moment closure for three-dimensional turbulent flow around and within complex geometries (Q2564649)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Second-moment closure for three-dimensional turbulent flow around and within complex geometries |
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Second-moment closure for three-dimensional turbulent flow around and within complex geometries (English)
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15 January 1997
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A full Reynolds-stress-transport model has been incorporated into a general three-dimensional non-orthogonal finite-volume solver and applied, in conjunction with a low-Re eddy-viscosity model for the semi-viscous near-wall sublayer, to two representative three-dimensional flows, one in a circular-to-rectangular transition duct and the other around a streamlined body at high incidence. The purpose of the paper is two-fold: first, it exposes issues pertaining to the implementation of the hybrid closure, which are crucial to numerical stability and computational economy within a minimally diffusive discretization framework; second, the predictive performance of the second-moment closure is contrasted with that of the \(k-\varepsilon\) strategy for complex three-dimensional conditions.
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Reynolds-stress-transport model
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non-orthogonal finite-volume solver
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low-Re eddy-viscosity model
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semi-viscous near-wall sublayer
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circular-to-rectangular transition duct
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body at high incidence
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