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G. G. Chernykh, A. V. Fomina, N. P. Moshkin

Numerical models of turbulent wake dynamics behind a towed body in a linearly stratified medium

To describe the far turbulent wake flow behind a towed body in a linearly stratified medium we use an hierarchy of semi-empirical turbulent models. The most complex model comprises differential equations for transport of normal Reynolds stresses. We give computational results demonstrating far turbulent wake dynamics both in a passively and actively stratified medium as compared to far momentumless turbulent wake dynamics. We numerically simulate the anisotropic decay of turbulence in a far wake behind a towed body. We give computational results of turbulent wake characteristics for large decay periods.

Russian Journal of Numerical Analysis and Mathematical Modelling, Walter de Gruyter

Print ISSN: 0927-6467
Volume: 21, 10/2006
Pages: 395 - 424

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