Parallel wrapped tube heat exchanger

Details Parallel wrapped tube heat exchanger Parallel wrapped tube heat exchanger

1986-01-14

1987-02-17

Davis, Jr., Albert W.

Refrigeration

Refrigeration producer

Evaporator, e.g., heat exchanger

165164, 165903, F25B 1900, F28D 702

Patent

active

046430016

ABSTRACT:
A counter flow heat exchanger comprising a central low pressure return tube deformed intermediate its ends to enhance heat transfer capability wrapped by a high pressure tube to conduct fluid to an expansion device. Also disclosed are a method of increasing the heat transfer capacity of a tube bundle heat exchanger and a liquid helium temperature refrigerator or a reliquefier utilizing the heat exchanger.

REFERENCES:
patent: 2611585 (1952-09-01), Boling
patent: 3333123 (1967-07-01), Bauman
patent: 3353370 (1967-11-01), Patten, Jr. et al.
patent: 3620029 (1971-11-01), Longsworth
patent: 4194536 (1980-03-01), Stine et al.
patent: 4316502 (1982-02-01), Sanborn et al.
W. M. Kays & A. L. London, Compact Heat Exchanger, 1964, pp. 8-9, 104-105, 62-63, 14-15.
C. E. Kalb & J. D. Seader, Fully Developed Viscous-Flow Heat Transfer in Curved Tubes with Uniform Wall Temperature, Aiche Journal, vol. 20, 1974, pp. 340-346.

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