Heat exchange – Flow passages for two confined fluids – Interdigitated plural first and plural second fluid passages
Patent
1981-08-24
1985-01-08
Scott, Samuel
Heat exchange
Flow passages for two confined fluids
Interdigitated plural first and plural second fluid passages
165170, F28F 300
Patent
active
044922680
ABSTRACT:
Improvements in the condensing heat transfer surface of a condenser which handles organic working fluids whose surface tension is not more than 35 dyne/cm as gas mediums to be condensed. The improvements comprise the formation of a plurality of transversely spaced vertically extending grooves on the condensing heat transfer surface on which the gas medium condenses. The pitch of the grooves is about 1-2 mm and the depth is about 0.3-0.6 mm.
REFERENCES:
patent: 2596642 (1952-05-01), Boestad
patent: 4166498 (1979-09-01), Fujie et al.
patent: 4180129 (1979-12-01), Sumitomo
Sumitomo Hiroyuki
Uehara Haruo
Hisaka Works Ltd.
Kamen Noah
Scott Samuel
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