Process for the preparation of a surface of a metal wall for the

Details Process for the preparation of a surface of a metal wall for the Process for the preparation of a surface of a metal wall for the

1980-05-12

1982-11-23

Davis, Jr., Albert W.

Heat exchange

Intermediate fluent heat exchange material receiving and...

Liquid fluent heat exchange material

165133, 291573H, F28D 1500

Patent

active

043600581

ABSTRACT:
An improved metallic heat transfer surface for heat transfer during change of phase of a medium in contact therewith and method of making. A smooth metallic surface is lightly etched to form evaporation and/or condensation nuclei. The nuclei are defined by peaks and valleys in the material, the peaks substantially extending to the envelope of the surface prior to etching and the vallyes extending into said material not more than 10.mu.(1.times.10.sup.-3 mm).

REFERENCES:
patent: 2876631 (1959-03-01), Bailey
patent: 3871407 (1975-03-01), Bykov et al.

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