Heat Transfer by Free Convection From a Horizontal Wire to Carbon Dioxide in the Critical Region

[+] Author and Article Information
R. J. Goldstein, Win Aung

Heat Transfer Laboratory, Department of Mechanical Engineering, University of Minnesota, Minneapolis, Minn.

J. Heat Transfer 90(1), 51-55 (Feb 01, 1968) (5 pages) doi:10.1115/1.3597459 History: Received August 29, 1966; Revised March 21, 1967; Online August 25, 2011


The free-convection heat transfer from a 0.015-in-dia horizontal platinum wire to carbon dioxide in its critical region is experimentally investigated. The bulk fluid temperature and pressure are varied from 48 deg F to 136 deg F and 1000 psia to 1300 psia, respectively. Wire temperatures up to 1600 deg F are used. The results do not show the sharp rise in the heat flux curves that has been reported in a recent investigation. From the present measurements it appears that the usual free-convection correlation can be used even near the critical state, providing the properties are suitably evaluated.

Copyright © 1968 by ASME
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