Heat transfer wall for boiling liquids

Details Heat transfer wall for boiling liquids Heat transfer wall for boiling liquids

1975-06-16

1977-11-29

Lazarus, Ronald H.

Heat exchange

With coated, roughened or polished surface

291573R, F28F 1300

Patent

active

040601250

ABSTRACT:
A heat transfer wall for boiling liquids having a multiplicity of minute tunnels parallelly extending and spaced a distance of not more than 1 mm under the metal wall surface in contact with liquid. Each tunnel is communicated with the outside by a multiplicity of tiny holes formed at regular intervals of not more than 1 mm along the tunnel. The wall surface portion is in one piece with the wall body. The holes combinedly account for from 2 to 50% of the total surface area of the wall. The regularly formed holes are substantially triangular shaped. The wall is made of either copper or aluminum.

REFERENCES:
patent: 3454081 (1969-07-01), Kun et al.
patent: 3457990 (1969-07-01), Theophilos et al.
patent: 3496752 (1970-02-01), Kun et al.
patent: 3566514 (1971-03-01), Szumigala
patent: 3684007 (1972-08-01), Ragi
patent: 3696861 (1972-10-01), Webb
patent: 3753364 (1973-08-01), Runyan
patent: 3768291 (1973-10-01), Rieger

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