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Performance Deterioration in High Effectiveness Heat Exchangers Due to Axial Heat Conduction Effects

  • P. G. Kroeger
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 12)

Abstract

The design of high-effectiveness heat exchangers for cryogenic applications requires consideration of axial heat conduction in flow direction, through exchanger core and fluids, an effect which generally can be neglected in conventional heat exchanger work. The most severe performance deterioration is encountered when both fluids have the same heat capacity rate. As indicated schematically in Fig. 1, the temperature difference between fluids which is already small throughout the exchanger is further decreased by axial conduction effects.

Keywords

Heat Exchanger Balance Design Transfer Unit Balance Flow Axial Conduction 
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References

  1. 1.
    H. G. Landau and J. W. Hlinka, “Steady State Temperature Distribution in a Counterflow Heat Exchanger Including Longitudinal Conduction in the Wall,” ASME Paper No. 60 WA-236 (1960).Google Scholar
  2. 2.
    W. M. Kays and A. L. London, Compact Heat Exchangers, 2nd ed., McGraw-Hill Book Co., New York (1964).Google Scholar
  3. 3.
    G. D. Bahnke and C. P. Howard, Trans. ASME 86A: 105 (1964).Google Scholar
  4. 4.
    W. Kaplan, Advanced Calculus, Addison-Wesley Publishing Co., Reading, Mass., (1952).Google Scholar

Copyright information

© Springer Science+Business Media New York 1967

Authors and Affiliations

  • P. G. Kroeger
    • 1
  1. 1.General Electric CompanySchenectadyUSA

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