Reboiler-condenser with boiling and condensing surfaces enhanced

Details Reboiler-condenser with boiling and condensing surfaces enhanced Reboiler-condenser with boiling and condensing surfaces enhanced

1986-06-09

1987-12-29

Davis, Jr., Albert W.

Railway rolling stock

Wheel or axle drive

Plane gear

165133, 165165, 165179, 165911, 165913, 62 36, 62 42, F28F 304, F28F 312, F28D 902

Patent

active

047154314

ABSTRACT:
The invention relates to a heat exchanger for use as a reboiler-condenser which increases the efficiency of heat transfer between boiling and condensing fluids such as cryogens, e.g. oxygen and nitrogen in an air separation unit. The exchanger has enhanced boiling and condensing surfaces and slightly inclined condensing passages built up from individually extruded passageway elements.

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patent: 4371034 (1983-02-01), Yamada et al.
patent: 4401155 (1983-08-01), Royal et al.
patent: 4653572 (1987-03-01), Bennett et al.
Panchal et al., "Analysis of Nusselt-Type Condensation on Vertical Fluted Surfaces," Numerical Heat Transfer 3, pp. 357-371 (1980).
Webb, R. L., "The Evolution of Enhanced Surface Geometrics for Nucleate Boiling," Heat Transfer Engineering 2, pp. 46-69 (1981).
Rohsenow, W. M. "Boiling" Handbook of Heat Transfer Fundamentals, pp. 12-1 to 12-9 (1973).

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