A General Method for the Comparison of Compact Heat Transfer Surfaces

[+] Author and Article Information
T. A. Cowell

Department of Mechanical and Production Engineering, Brighton Polytechnic, Moulsecoomb, Brighton BN2 4GJ, United Kingdom

J. Heat Transfer 112(2), 288-294 (May 01, 1990) (7 pages) doi:10.1115/1.2910374 History: Received December 10, 1987; Revised July 02, 1989; Online May 23, 2008


This paper presents a family of methods for comparing compact heat transfer surface configurations. It is shown how measures for the relative values of required hydraulic diameter, frontal area, total volume, pumping power, and number of transfer units for different surfaces can be derived and displayed, when any two of the above five parameters are held constant. A wide range of comparisons that are independent of the particular duty can be simply made. A further development allowing comparisons, where three of the five parameters are fixed, yields very clear and compact indications of the relative merits of different surfaces.

Copyright © 1990 by The American Society of Mechanical Engineers
Topics: Heat transfer
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