Large-eddy simulations of a turbulent mixing layer using the stretched-vortex subgrid model

Date

2007

Authors

Mattner, T.

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Conference paper

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16th Australasian Fluid Mechanics Conference (AFMC) / P. Jacobs et al. (eds), pp.1079-1082

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T. W. Mattner

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Australasian Fluid Mechanics Conference (16th : 2007 : Gold Coast, Australia)

Abstract

This paper reports results from a large-eddy simulation of a temporal mixing layer using the stretched-vortex subgrid stress and mixing models. The simulation achieves a Reynolds number of about 2×10 <sup>7</sup> when based on the momentum thickness. Linear growth of the momentum thickness and collapse of the mean velocity and scalar concentration profiles suggest that the flow is self-similar. Considerable variability is, however, observed in the Reynolds stress and integrated kinetic-energy dissipation rate.

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