Natural Convection in a Vertical Enclosure Filled With Water Near 4°C

[+] Author and Article Information
K. E. Lankford, A. Bejan

Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC 27706

J. Heat Transfer 108(4), 755-763 (Nov 01, 1986) (9 pages) doi:10.1115/1.3247009 History: Received April 18, 1985; Online October 20, 2009


The natural circulation of near-4°C water in a vertical cavity heated from the side was studied experimentally in a 0.74-m-tall enclosure. The results of a scale analysis were used in order to correlate the overall wall-to-wall heat transfer rate measured experimentally in the Rayleigh number range 108 –1011 . An analytical similarity solution was obtained for the slender enclosure limit. In that limit the flow pattern is one of incomplete vertical penetration, with stagnant maximum-density water filling the lower end of the vertical enclosure.

Copyright © 1986 by ASME
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