Heat Transfer From a Cylinder in Crossflow With Transpiration Cooling

[+] Author and Article Information
B. V. Johnson

United Aircraft Research Laboratories, East Hartford, Conn.

J. P. Hartnett

Department of Mechanical Engineering, University of Delaware

J. Heat Transfer 85(2), 173-177 (May 01, 1963) (5 pages) doi:10.1115/1.3686045 History: Received May 09, 1962


Local heat-transfer measurements are reported for a transpiration-cooled cylinder in crossflow. The stagnation point measurements are found to be in good agreement with results from plane stagnation flow theory. In the laminar region beyond the stagnation point, the equivalent wedge method is found to predict heat-transfer performance within 10 percent of the experimental values. In the separated flow region the experimental results demonstrate that the transpiration process is still very effective in reducing the heat transfer.

Copyright © 1963 by ASME
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