Condensation of Saturated Freon-12 Vapor on a Bank of Horizontal Tubes
- 1 November 1942
- journal article
- research article
- Published by ASME International in Transactions of the American Society of Mechanical Engineers
- Vol. 64 (8) , 787-791
- https://doi.org/10.1115/1.4019272
Abstract
The condensate film formed on tubes below the top tube, in a vertical bank of horizontal tubes, differs from that formed on the top tube because condensate formed on higher tubes drops or runs off to lower tubes, thus affecting the rate of heat transfer at the lower tubes. This paper includes the results of an experimental investigation of such effects on the heat transfer when saturated Freon-12 vapor condenses on the outsides of such a bank of tubes. The result as to film coefficient is correlated with Nusselt’s number for condensation and reasonably good agreement is found with the results deduced from Nusselt’s theory of condensation in so far as trends are concerned.Keywords
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