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Influence of capillary pressure on the evaporation of thin liquid films

Stephan, K. and Zhong, L.-C. and Stephan, Peter (1995):
Influence of capillary pressure on the evaporation of thin liquid films.
In: Heat and Mass Transfer, 30 (6), pp. 467-472. ISSN 0947-7411,
[Article]

Abstract

A model is presented that considers the influence of capillary pressure on the evaporation of a liquid film on a vertical that plate. The governing equations are derived and numerically integrated with a step-variable Runge-Kutta method. The numerical results are compared with the analytical solution from Nusselt's film condensation theory. The deviation from the Nusselt film theory become very prominent when the liquid film becomes thin enough. This can be attributed to the fact that the Nusselt film theory does not consider the influence of capillary pressure on the shape of the liquid film.

Item Type: Article
Erschienen: 1995
Creators: Stephan, K. and Zhong, L.-C. and Stephan, Peter
Title: Influence of capillary pressure on the evaporation of thin liquid films
Language: English
Abstract:

A model is presented that considers the influence of capillary pressure on the evaporation of a liquid film on a vertical that plate. The governing equations are derived and numerically integrated with a step-variable Runge-Kutta method. The numerical results are compared with the analytical solution from Nusselt's film condensation theory. The deviation from the Nusselt film theory become very prominent when the liquid film becomes thin enough. This can be attributed to the fact that the Nusselt film theory does not consider the influence of capillary pressure on the shape of the liquid film.

Journal or Publication Title: Heat and Mass Transfer
Journal volume: 30
Number: 6
Divisions: 16 Department of Mechanical Engineering > Institute for Technical Thermodynamics (TTD)
16 Department of Mechanical Engineering
Date Deposited: 26 Feb 2015 16:35
Official URL: http://dx.doi.org/10.1007/BF01647453
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