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Source function approach to turbulence bulk properties (1991)

Canuto, V. M. ; Cheng, Y. ; Hartke, G. J. ; [et al.]

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Publication Date: 2011-08-19

Description: A turbulence model to compute bulk properties is presented in which a prescribed source function is used to provide the rate of energy input into the turbulent flow, and the EDQNM model is used to treat the nonlinear transfer in the Navier-Stokes equations. The predictions of the model are tested against (1) the measured Nusselt number versus Rayleigh number relation in turbulent laboratory convection, and (2) the measured bulk kinetic energies and dissipation rates in turbulent channel flow for Reynolds numbers Re = 12,300 and 30,800. In addition, a sensitivity study is performed with respect to the choice of Kolmogorov constant. Generally, the predictions of the model are in reasonable accord with the available experimental data.

Keywords: FLUID MECHANICS AND HEAT TRANSFER

Type: Physics of Fluids A (ISSN 0899-8213); 3; 1633-164

Format: text

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