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Heat-Transfer During Dropwise Condensation

Rao, DS and Murthy, MS (1983) Heat-Transfer During Dropwise Condensation. In: Chemical Engineering Journal and the Biochemical Engineering Journal, The, 26 (1). pp. 1-12.

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A comprehensive model is developed for previous termheat transfernext term during previous termdropwise condensationnext term based on the assumption that previous termheat transfernext term takes place through the bare surface in between drops to form nuclei at nucleation sites during the waiting period required for nucleation. The dynamics of drop formation and surface renewal, and the presence of non-condensable gases in the vapour have been considered. The resulting equation expresses the dependence of the vapour-side previous termheat transfernext term coefficient on the previous termheatnext term flux, properties of the vapour, previous termcondensationnext term coefficient, mole fraction of non-condensable gases in the vapour, free area available for previous termcondensation,next term surface roughness and surface thermal properties. The equation is tested with the available data and the agreement is found to be satisfactory.

Item Type: Journal Article
Publication: Chemical Engineering Journal and the Biochemical Engineering Journal, The
Publisher: Elsevier Science
Additional Information: Copyright of this article belongs ot Elsevier Science.
Department/Centre: Division of Mechanical Sciences > Chemical Engineering
Date Deposited: 23 Jul 2009 11:06
Last Modified: 19 Sep 2010 05:37
URI: http://eprints.iisc.ac.in/id/eprint/21431

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