Journal
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
Volume 55, Issue 23-24, Pages 6514-6518Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijheatmasstransfer.2012.06.054
Keywords
Heat and mass transfer; Condensation; Self-similar solutions; Falling film; Roll waves; Progressive waves
Categories
Funding
- Government of Russian Federation [11.G34.31.0046]
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The investigation of thin liquid film flowing down a vertical wall in the roll-wave regime in presence of heat and mass transfer through the free surface is presented. The roll-wave equation taking into account heat and mass transfer through the liquid-vapor interface has been derived. The self-similar solutions of the progressive-wave type for film thickness have been obtained. The families of discontinuous solutions have been constructed, where the progressive waves are conjugated with each other or with residual film thickness through the strong discontinuity. As an example, the calculations of the condensate water film flowing down a vertical surface are presented. (C) 2012 Elsevier Ltd. All rights reserved.
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