A Turbulent Energy Model for Flows With Drag Reduction

[+] Author and Article Information
S. Hassid, M. Poreh

Technion-Israel Institute of Technology, Technion City, Haifa, Israel

J. Fluids Eng 97(2), 234-241 (Jun 01, 1975) (8 pages) doi:10.1115/1.3447256 History: Received March 04, 1975; Online October 12, 2010


A simple turbulent energy model, based on an improved version of Wolfshtein’s model for Newtonian flows, with a variable damping parameter, is used to describe the effect of linear polymers on the velocity profile and the turbulent energy distribution in channel and pipe flows. Measured mean velocity profiles seem to be in good agreement with the model, which predicts as well the observed increase in turbulent energy near the wall in flows with drag reduction.

Copyright © 1975 by ASME
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