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Refrigerant forced-convection condensation inside horizontal tubes

Author(s)
Bae, Soonhoon; Maulbetsch, John S.; Rohsenow, Warren M.
Thumbnail
DownloadHTL_TR_1969_064.pdf (5.634Mb)
Other Contributors
Massachusetts Institute of Technology. Division of Sponsored Research.
Massachusetts Institute of Technology. Dept. of Mechanical Engineering.
Massachusetts Institute of Technology. Heat Transfer Laboratory.
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Abstract
High vapor velocity condensation inside a tube was studied theoretically. The heat transfer coefficients were calculated by the momentum and heat transfer analogy. The Von Karman universal velocity distribution was applied to the condensate flow. Pressure drop was calculated by the Lockhart-Martinelli method and the Zivi void fraction equation. Experimental data was obtained for the flow rate from 240,000 to 485,000 lbm/ft2 hr. R-22 was condensed in a 0.493" I.D. 18 ft. long test section. The measured heat transfer coefficients agreed with the prediction within 10% except a few points in the very low quality region.
Date issued
1969
URI
http://hdl.handle.net/1721.1/61456
Publisher
Cambridge, Mass. : M.I.T. Heat Transfer Laboratory, [1969]
Other identifiers
14083398
Series/Report no.
Technical report (Massachusetts Institute of Technology, Heat Transfer Laboratory) ; no. 64.
Keywords
Tubes -- Fluid dynamics., Heat -- Transmission., Condensation., Refrigerants.

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