Film condensation in a large diameter tube with upward steam flow

Film condensation was considered for upward steam flow at the atmospheric pressure. The experimental data were obtained inside a vertical duralumin tube with the internal diameter of 200mm and roughness height of 0.14mm. The film Reynolds numbers and vapor Reynolds numbers were varied within the ran...

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Bibliographic Details
Published in:International journal of heat and mass transfer 2015-02, Vol.81, p.804-810
Main Authors: Pashkevich, R.I., Muratov, P.V.
Format: Article
Language:English
Subjects:
Atmospheric pressure
Barometric pressure
Condensation
Correlation
Film condensation
Fluid dynamics
Fluid flow
Mass transfer
Nusselt number
Reynolds number
Steam flow
Tubes
Upward steam flow
Vertical tube
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Summary:Film condensation was considered for upward steam flow at the atmospheric pressure. The experimental data were obtained inside a vertical duralumin tube with the internal diameter of 200mm and roughness height of 0.14mm. The film Reynolds numbers and vapor Reynolds numbers were varied within the range of 1–16 and 280–3460, respectively. The obtained experimental data were lower than classical Nusselt prediction. The suggested correlation for the Nusselt number agrees the most of the data within 20%.
ISSN:0017-9310
1879-2189
DOI:10.1016/j.ijheatmasstransfer.2014.11.001