A study of heat transfer during steam condensation on a horizontal tube placed in granular material made of particles with different wettability of surface

The dependence of the equivalent radius of a threshold channel on the diameter of particles during combined action of capillary and mass forces is experimentally obtained. Experimental data on heat transfer during steam condensation on a horizontal tube placed in well- and partially wettable granula...

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Bibliographic Details
Published inThermal engineering Vol. 56; no. 7; pp. 560 - 565
Main Authors Bogomolov, A. R., Petrik, P. T., Azikhanov, S. S.
Format Journal Article
LanguageEnglish
Russian
Published Dordrecht SP MAIK Nauka/Interperiodica 2009
Springer
Subjects
Engineering
Engineering Thermodynamics
Heat and Mass Transfer
Granular Layer
Porous Channel
Heat Transfer
Granular Material
Horizontal Tube
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Summary:The dependence of the equivalent radius of a threshold channel on the diameter of particles during combined action of capillary and mass forces is experimentally obtained. Experimental data on heat transfer during steam condensation on a horizontal tube placed in well- and partially wettable granular layers are presented. It is shown that no enhancement of heat transfer occurs in these layers as compared with that in case of a plain tube.
ISSN:0040-6015
1555-6301
DOI:10.1134/S0040601509070052