Correlation and Prediction of Film Cooling From Two Rows of Holes

[+] Author and Article Information
B. A. Jubran

Department of Mechanical Engineering, University of Jordan, Amman, Jordan

J. Turbomach 111(4), 502-509 (Oct 01, 1989) (8 pages) doi:10.1115/1.3262300 History: Received June 14, 1988; Online November 09, 2009


This paper reports the correlation and prediction of film cooling effectiveness and the velocity field from two rows of holes inclined in the streamwise and spanwise directions. The correlation of film cooling from two rows of holes can be achieved by using a two-dimensional correlating group provided that account is taken of the momentum ratio I . The effectiveness and velocity field were predicted using the PHOENICS package. Two versions of k –ε turbulence model were explored for the film cooling predictions, which were successful at the centerlines and for low blowing rates. A nonisotropic k –ε model improved the prediction by allowing the jet to spread laterally.

Copyright © 1989 by ASME
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