Heat-exchanger tube for condensing of vapor

Heat exchange – With coated – roughened or polished surface

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Details

165184, 165DIG515, 165DIG525, F28F 134

Patent

active

057754110

ABSTRACT:
The invention relates to a metallic heat-exchanger tube (1) with fins (2) which annularly or helically extend or rather extend in axial direction on the outside of the tube for condensing of vapor from pure substances or mixtures on the outside of the tube. To improve the condensation performance by effecting a thinning of a liquid film, the invention includes a making of the fins so that they have a constant fin height H throughout, with the fin flanks (4) being structured by spaced-apart depressions.

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patent: 5377746 (1995-01-01), Reid et al.

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