An Assessment of Three-Dimensional Turbulent Boundary Layer Prediction Methods

[+] Author and Article Information
A. J. Wheeler

Ames Research Center, Moffett Field, Calif.

J. P. Johnston

Mechanical Engineering Dept., Stanford University, Stanford, Calif.

J. Fluids Eng 95(3), 415-421 (Sep 01, 1973) (7 pages) doi:10.1115/1.3447045 History: Received March 21, 1973; Online October 12, 2010


Predictions have been made for a variety of experimental three-dimensional boundary layer flows with a single finite difference method which was used with three different turbulent stress models: (i) an eddy viscosity model, (ii) the “Nash” model, and (iii) the “Bradshaw” model. For many purposes, even the simplest stress model (eddy viscosity) was adequate to predict the mean velocity field. On the other hand, the profile of shear stress direction was not correctly predicted in one case by any model tested. The high sensitivity of the predicted results to free stream pressure gradient in separating flow cases is demonstrated.

Copyright © 1973 by ASME
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