Statistical theory for compressible turbulent shear flows, with the application to subgrid modeling

AIP Publishing - Tập 29 Số 7 - Trang 2152-2164 - 1986
Akira Yoshizawa1
1Institute of Industrial Science, University of Tokyo, 7-22-1 Roppongi, Minato-ku, Tokyo 106, Japan

Tóm tắt

A statistical theory for compressible turbulent shear flows subject to buoyancy effects is developed. Important correlation functions in compressible shear flows are calculated with the aid of a multiscale direct-interaction approximation. They are expressed in the gradient-diffusion form similar to the eddy-viscosity representation for the Reynolds stress in incompressible flows. The results obtained are applicable to subgrid modeling, and a Smagorinsky-type model in compressible flows is constructed.

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Tài liệu tham khảo

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AIP Publishing

Tập 29 Số 7

2152-2164

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