Measured Coolant Distributions Downstream of Single and Double Rows of Film Cooling Holes

[+] Author and Article Information
W. O. Afejuku

Nigerian National Petroleum Corporation, Lagos, Nigeria

N. Hay, D. Lampard

Department of Mechanical Engineering, University of Nottingham, Nottingham, NG7 2RD, United Kingdom

J. Eng. Power 105(1), 172-177 (Jan 01, 1983) (6 pages) doi:10.1115/1.3227379 History: Received December 11, 1981; Online September 28, 2009


A mass-transfer technique has been used to investigate experimentally the distribution of coolant from two rows of holes with independently varied blowing rates. Both staggered and in-line configurations were investigated for two injection angles and a range of row spacings. Detailed concentration distributions measured at and above the surface are presented and a possible mechanism to account for the large differences in behavior between staggered and in-line configurations is discussed.

Copyright © 1983 by ASME
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