Method of producing finned heat transfer tube with porous boilin

Details Method of producing finned heat transfer tube with porous boilin Method of producing finned heat transfer tube with porous boilin

1979-03-26

1980-04-22

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

204 16, 204 25, C25D 704, C25D 1500

Patent

active

041994140

ABSTRACT:
The invention relates to finned heat transfer tubes and to a method for improving the heat transfer properties in boiling liquids of such tubes by plating the tubes in an electroplating bath containing graphite powder to produce a porous plated surface. The tips of the fins are covered before plating with a non-conductive coating to prevent plating of the tips. The non-conductive coating can be dissolved away or mechanically removed after plating.

REFERENCES:
patent: 3061525 (1962-10-01), Grazen
patent: 3884772 (1975-05-01), Shiga

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