Generalized wall functions for turbulent flows with strong adverse pressure gradient
- D. Ph. Sikovsky
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The generalized wall functions for turbulent flows with strong adverse pressure gradients are derived on the basis of the asymptotic theory of near-wall turbulence. The generalized wall functions have a correct asymptotic behavior in the limit of zero friction velocity and can be applied to computations of flows under a strong adverse pressure gradient and with separation or reattachment. Calculations of a turbulent boundary layer in a strong adverse pressure gradient with the aid of the developed modified k-ɛ model of turbulence and comparison with the experimental data validate the advantages of the generalized wall functions over traditional wall functions based on the logarithmic law of the wall.
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- Generalized wall functions for turbulent flows with strong adverse pressure gradient
Journal of Engineering Thermophysics
Volume 20, Issue 1 , pp 89-100
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- SP MAIK Nauka/Interperiodica
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- D. Ph. Sikovsky (1) (2)
- Author Affiliations
- 1. Kutateladze Institute of Thermophysics, Siberian Branch, Russian Academy of Sciences, pr. Akad. Lavrent’eva 1, Novosibirsk, 630090, Russia
- 2. Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russia