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Modeling of the Reynolds-stresses equations. 4. Comparison analyses of turbulence models

E. P. Sukhovich - A. Bartulis - E. Shcherbinin

Institute of Physics, Latvian University, Salaspils-1, LV-2169, Latvia

In this paper a comparison of three basic models of turbulence with experimental data and data of direct numerical simulation of Navier-Stokes equations is presented. Data for homogeneous shear flow, nearly isotropic turbulence behind a uniform grid and developed flow in channel have been used for comparison. The conclusion is that the K-e model and Launder-Reece-Rodi model are rather unisatisfactory. Locally anysotropic model proposed in this paper performs better than the above-listed models. An analysis of results is presented. Figs 3, refs 20.

Magnitnaya Gidrodinamika 34, No. 3, 225-240, 1998 [PDF, 0.89 Mb] (in Russian)
Magnetohydrodynamics 34, No. 3, 182-194, 1998 [PDF, 0.64 Mb]

Copyright: Institute of Physics, University of Latvia
Electronic edition ISSN 1574-0579
Printed edition ISSN 0024-998X