Heat Transfer in the Oscillating Turbulent Boundary Layer

[+] Author and Article Information
James A. Miller

Department of Aeronautics, Naval Postgraduate School, Monterey, Calif.

J. Eng. Power 91(4), 239-244 (Oct 01, 1969) (6 pages) doi:10.1115/1.3574744 History: Received December 20, 1968; Online August 25, 2011


Measurements of local heat-transfer coefficients in the fully established oscillating turbulent boundary layer over a flat plate are reported. In the range of frequencies from 0.1 to 200 cps and amplitudes from 8 to 92 percent of the freestream mean velocity, increases in local Nusselt numbers of 3 to 5 percent were found. It is concluded that substantial increases in local coefficients, sometimes reported in oscillating flows of low standing wave ratio, may be traced to reduced transition Reynolds numbers.

Copyright © 1969 by ASME
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