Condensation on the surface of vertical tube placed in a granular layer with different contact wetting angle

The results of theoretical and experimental studies of heat exchange at condensation of motionless steam on a vertical tube placed in a granular layer with different wetting angle are presented. Theoretical dependencies are obtained for the estimate of heat-exchange intensity, which account for the...

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Bibliographic Details
Published inThermophysics and aeromechanics Vol. 15; no. 2; pp. 255 - 265
Main Authors Shilyaev, M. I., Bogomolov, A. R., Petrik, P. T.
Format Journal Article
LanguageEnglish
Published Dordrecht SP MAIK Nauka/Interperiodica 01.06.2008
Subjects
Physics
Physics and Astronomy
Thermodynamics
Condensate Film
Granular Layer
Steam Condensation
Heat Exchange
Vertical Tube
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Summary:The results of theoretical and experimental studies of heat exchange at condensation of motionless steam on a vertical tube placed in a granular layer with different wetting angle are presented. Theoretical dependencies are obtained for the estimate of heat-exchange intensity, which account for the condensate slip on the surfaces of grains, and their satisfactory agreement with experimental data of the authors is shown.
ISSN:0869-8643
1531-8699
DOI:10.1134/S0869864308020091