The Basic Heat Transfer and Flow Friction Characteristics of Six Compact High-Performance Heat Transfer Surfaces

[+] Author and Article Information
W. M. Kays

Stanford University, Stanford, Calif.

J. Eng. Power 82(1), 27-34 (Jan 01, 1960) (8 pages) doi:10.1115/1.3672713 History: Received December 31, 1958; Online January 10, 2012


In this paper the basic characteristics of six new compact high-performance surfaces are presented. Four are of the strip-fin type, including three stacked in a unique multiple sandwich arrangement. One of the surfaces has perforated fins formed by punching circular holes through the fins, and one has wavy fins. The basic characteristics are presented in terms of NSt NPr 2/3 and f versus Reynolds number. A sufficient geometrical description is provided so that the data are readily usable in heat exchanger design analysis. The triple-sandwich surface introduces some new complications in the analysis of the effectiveness of the fins, and this problem is considered in an Appendix.

Copyright © 1960 by ASME
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