Calculation of Mean Temperature Difference in Air-Cooled Cross-Flow Heat Exchangers

[+] Author and Article Information
W. Roetzel, J. Neubert

Institut für Thermodynamik, Hochschule der Bundeswehr Hamburg, Holstenhofweg 85 / Postfach 700 822, 2000 Hamburg 70, Germany

J. Heat Transfer 101(3), 511-513 (Aug 01, 1979) (3 pages) doi:10.1115/1.3451019 History: Received March 26, 1978; Online August 11, 2010


An approximate explicit equation together with empirical coefficients is presented for the fast calculation of the mean temperature difference of eight cross-flow arrangements. The mean temperature difference is calculated from the effectiveness of the process stream and the number of transfer units on the air side.

Copyright © 1979 by ASME
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