Relaxation process modeling in a turbulent boundary layer with nonzero free stream turbulence

Eugen Dyban and Ella Fridman

Mathematical Problems in Engineering, 1997, vol. 3, 1-11

Abstract:

In order to analyze the relaxation effects in a turbulent boundary layer with zero and nonzero free stream turbulence, the Reynolds-averaged equations of motion and energy are solved. As the closure of the Reynolds-averaged equations, the transport equation for turbulent shear stresses is used. The proposed approach leads to calculation of the relaxation scales in the turbulent boundary layer with zero and nonzero free stream turbulence. Results for friction coefficients, velocity profiles, shear stresses, thickness of the boundary layer and so called “superlayer” in a flat-plate turbulent boundary layer are presented. The results obtained are in agreement with those available from the experimental data.

Date: 1997
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:853920

DOI: 10.1155/S1024123X97000562

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