Effects of Free-Stream Turbulence Intensity and Frequency on Heat Transfer to Turbine Blading

[+] Author and Article Information
F. J. Bayley, W. J. Priddy

University of Sussex, Brighton, Sussex, UK

J. Eng. Power 103(1), 60-64 (Jan 01, 1981) (5 pages) doi:10.1115/1.3230709 History: Received December 13, 1979; Online September 28, 2009


This paper describes a continuing experimental program in which the frequency and amplitude of turbulence in the mainstream flow over a cascade of turbine blades are separately and controllably varied. The effects of these two characteristics of the flow are demonstrated showing the significant effect of each upon the rates of convection to most of the blade surface. A correlation following the predictions of the theoretical work of reference [2] is shown to have some promise, although some modification is required to allow for changes in mainstream Reynolds number not accounted for by the usual normalizing procedure.

Copyright © 1981 by ASME
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