Turbulent film condensation on a horizontal tube with external flow of pure vapors

The problem of condensation of vapors flowing with high velocity around a horizontal tube is solved for the case of isothermal condition of the wall of a condenser tube. The interfacial shear at the vapor conderLsate film is assessed with the help of Colburn analogy. Extension of these results in th...

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Bibliographic Details
Published in:International journal of heat and mass transfer 1998-02, Vol.41 (3), p.537-545
Main Authors: Sarma, P.K., Vijayalakshmi, B., Mayinger, F., Kakac, S.
Format: Article
Language:English
Subjects:
Applied sciences
Condenser tubes
Devices using thermal energy
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Heat exchangers (included heat transformers, condensers, cooling towers)
Heat flow in porous media
Heat transfer
Heat transfer coefficients
Heat transfer in inhomogeneous media, in porous media, and through interfaces
Mathematical models
Physics
Turbulent flow
Vapors
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Summary:The problem of condensation of vapors flowing with high velocity around a horizontal tube is solved for the case of isothermal condition of the wall of a condenser tube. The interfacial shear at the vapor conderLsate film is assessed with the help of Colburn analogy. Extension of these results in the estimation of average condensation heat transfer coefficients is found to be successful. The present theoretical results are further compared with the recent experimental data and the agreement between the two is found to be very satisfactory.
ISSN:0017-9310
1879-2189
DOI:10.1016/S0017-9310(97)00192-0