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Enhancement of finite Reynolds number effects in the turbulent boundary layer due to inner-outer sublayer interaction

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Author: Dekker, H. · Eijk, A.M.J. van
Type:article
Date:1996
Publisher: Kluwer Academic Publishers
Place: Dordrecht
Institution: TNO Fysisch en Elektronisch Laboratorium
Source:Gavrilakis, SMachiels, L.Monkewitz, P.A., Advances in Turbulence VI - Proceedings of the Sixth European Turbulence Conference, held in Laussanna, Switzerland, 2-5 July 1996, 63-64
Identifier: 94908

Abstract

We have re-exanined the established data for the mean velocity profile for turbulent flow over a smooth surface and found its Reynolds number dependence in the inner region to be remarkably large. By combining two eddy-viscosity models (with overlapping validity in the inertial sublayer), this feature is shown (both analytically and numerically) to arise from inner-outer sublayer interaction, involving a nonzero viscous correlation length.