Boiling heat transfer surface and method

Details Boiling heat transfer surface and method Boiling heat transfer surface and method

1975-04-28

1977-04-19

Croyle, Carlton R.

Heat exchange

Regenerator

Checker brick structure

165133, F28F 1318

Patent

active

040182649

ABSTRACT:
Nucleate boiling or ebullition in pool boiling applications is improved by the use of a heat transfer surface having dendrites or nodules electroplated onto the substrate. The nodules are formed by plating at high current densities, and may be further electroplated at lower current densities to strengthen and enlarge them. Also described are deforming techniques, such as cold-rolling, to flatten the ends of the nodules and strengthen them by work hardening.

REFERENCES:
patent: 3696861 (1972-10-01), Webb
patent: 3706127 (1972-12-01), Oktay et al.
patent: 3768290 (1973-10-01), Zatell
patent: 3906604 (1975-09-01), Kakizaki et al.
IBM Tech. Discl. Bulletin, vol. 14, No. 9, Feb., 1972, Ingram et al.
IBM Tech. Discl. Bulletin, vol. 14, No. 9, Feb., 1972, Bakelaar et al.

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