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TECHNICAL BRIEFS

A Comparison of the Influence of Mechanical and Acoustical Vibrations on Free Convections From a Horizontal Cylinder

[+] Author and Article Information
R. M. Fand

Research Laboratory of Heat Transfer in Electronics, M.I.T., Cambridge, Mass.

E. M. Peebles

U. S. Navy, Naval Construction and Engineering, M.I.T., Cambridge, Mass.

J. Heat Transfer 84(3), 268 (Aug 01, 1962) (1 page) doi:10.1115/1.3684366 History: Received February 28, 1962

Abstract

This technical brief reports the results of an experimental investigation of the influence of horizontal transverse mechanical vibrations (frequency order of magnitude: 100 cps) upon the rate of convective heat transfer from a horizontal cylinder. The results of the experiments are compared with earlier findings. It is shown that, in spite of a tenfold difference in frequency (and amplitude), the heat-transfer correlations previously obtained for the case of horizontal acoustical vibrations [1] are also valid for horizontal mechanical vibrations, and that the character of the boundary-layer flow is the same (thermoacoustic streaming [2]) for these two cases.

Copyright © 1962 by ASME
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