Turbulent Flow in a Channel With a Wavy Wall

[+] Author and Article Information
V. C. Patel, J. Tyndall Chon, J. Y. Yoon

Department of Mechanical Engineering and Iowa Institute of Hydraulic Research, The University of Iowa, Iowa City, Iowa 52242

J. Fluids Eng 113(4), 579-586 (Dec 01, 1991) (8 pages) doi:10.1115/1.2926518 History: Received October 23, 1990; Online May 23, 2008


A numerical method for the solution of the Reynolds-averaged Navier-Stokes equations, together with a two-layer turbulence model, has been used to describe steady flow in a two-dimensional channel with a wavy wall. Comparisons of calculations with experiments demonstrate the effects of alternating pressure gradients induced by alternating surface curvatures, and multiple separations and reattachments. The numerical method and the turbulence model are shown to capture the overall features of such a flow, including the breakdown of the logarithmic law of the wall in strong pressure gradients and in separated flow.

Copyright © 1991 by The American Society of Mechanical Engineers
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