An Improved Method for Accurate Prediction of Mass Flows Through Combustor Liner Holes

[+] Author and Article Information
R. C. Adkins, D. Gueroui

Thermal Power Group, School of Mechanical Engineering, Cranfield Institute of Technology, Cranfield, Bedford, England

J. Eng. Gas Turbines Power 108(3), 491-497 (Jul 01, 1986) (7 pages) doi:10.1115/1.3239935 History: Received January 30, 1986; Online October 15, 2009


A theory is devised for predicting the coefficients of discharge for some types of combustor liner holes and for calculating the local quantity of airflow into the liner. The resulting equations are tested against reliable empirical data and they show an agreement of better than 99 percent. The new correlation is particularly amenable to the preliminary design and development of combustors and could usefully be incorporated into numerical modeling techniques. The theory is also used to devise a simple but very accurate method of correlating experimental data that has advantages over many of the methods in current use.

Copyright © 1986 by ASME
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