Effects of non-condensable gas on laminar film condensation in a vertical tube

This paper develops a theory to reveal the effect of small amounts of noncondensable gas on laminar filmwise condensation of a vapor-gas mixture flowing turbulently in a vertical tube. The reductions in heat transfer due to the noncondensable gas are found to be more significant at low pressures and...

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Bibliographic Details
Published in:International journal of heat and mass transfer 1988-11, Vol.31 (11), p.2339-2345
Main Authors: Wang, Chad-Yang, Tu, Chuan-Jing
Format: Article
Language:English
Subjects:
Exact sciences and technology
gases
heat transfer
Physics
Statistical physics, thermodynamics, and nonlinear dynamical systems
Thermodynamics
turbulent flow
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Summary:This paper develops a theory to reveal the effect of small amounts of noncondensable gas on laminar filmwise condensation of a vapor-gas mixture flowing turbulently in a vertical tube. The reductions in heat transfer due to the noncondensable gas are found to be more significant at low pressures and at low Reynolds numbers of the mixture. Comparisons of the theory with some experimental data reported in the literature are in good agreement. (Author)
ISSN:0017-9310
1879-2189
DOI:10.1016/0017-9310(88)90165-2