A Theory for Predicting the Turbulent-Spot Production Rate

[+] Author and Article Information
R. E. Mayle

Rensselaer Polytechnic Institute, Troy, NY 12180

J. Turbomach 121(3), 588-593 (Jul 01, 1999) (6 pages) doi:10.1115/1.2841356 History: Received February 01, 1998; Online January 29, 2008


A theory is presented for predicting the production rate of turbulent spots. The theory, based on that by Mayle–Schulz for bypass transition, leads to a new correlation for the spot production rate in boundary layer flows with a zero pressure gradient. The correlation, which agrees reasonably well with data, clearly shows the effects of both free-stream turbulence level and length scale. In addition, the theory provides an estimate for the lowest level of free-stream turbulence causing bypass transition.

Copyright © 1999 by The American Society of Mechanical Engineers
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