Thermal management of heat exchanger structure

Details Thermal management of heat exchanger structure Thermal management of heat exchanger structure

1978-10-26

1981-09-29

Smith, Alfred E.

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

165167, F28D 702, F28F 308

Patent

active

042917549

ABSTRACT:
Methods and apparatus for heating or cooling heat exchanger manifolds and side bars during transient operation to control structural deformation and resultant stresses. Special internal passages are provided in the manifolds and side bars of a plate-and-fin heat exchanger through which heated air is diverted during operation of the heat exchanger, thus serving to stabilize the temperature of selected portions of the heat exchanger in line with operating temperatures of related heat exchanger elements. This serves to minimize thermal gradients and resultant thermal stresses in the overall heat exchanger structure.

REFERENCES:
patent: 2615688 (1952-10-01), Brumbaugh
patent: 2658728 (1953-11-01), Evans, Jr.
patent: 2661200 (1953-12-01), Ohlander
patent: 2986454 (1961-05-01), Jewett
patent: 3504739 (1970-04-01), Pearce
patent: 3757855 (1973-09-01), Kun et al.
patent: 3945434 (1976-03-01), Parker et al.
patent: 4073340 (1978-02-01), Parker
patent: 4134195 (1979-01-01), Jacobsen et al.
Parker, K. O., "Plate Regenerator Boosts Thermal and Cycling Efficiency", The Oil and Gas Journal, 4/11/77, pp. 74-78.

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