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Thermophysics and Aeromechanics

2008 year, number 2

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

M.I. Shilyaev1, A.R. Bogomolov2, P.T. Petrik3
1 Tomsk State University of Architecture and Building
2 Kutateladze Institute of Thermophysics SB RAS
3 Kuzbass State Technical University
Pages: 255-265

Abstract

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.