Effects of Vapor Superheat and Condensate Subcooling on Laminar Film Condensation-Reference-Cited by-同舟云学术

Effects of Vapor Superheat and Condensate Subcooling on Laminar Film Condensation

Published:1999-08-09 Issue:1 Volume:122 Page:192-196
ISSN:0022-1481
Container-title:Journal of Heat Transfer
language:en
Short-container-title:

Author:

Mitrovic J.¹

Affiliation:

1. Institut fu¨r Energie- und Verfahrenstechnik, Thermische Verfahrenstechnik und Antagentechnik, Universita¨t Paderborn, 33095 Paderborn, Germany

Abstract

Nusselt’s model is employed to illustrate the effects of vapor superheat and condensate subcooling on laminar film condensation occurring under simultaneous actions of gravity and interfacial shear. The vapor superheat affects the condensation kinetics in cooperation with heat transfer in both phases. Under comparable conditions, the condensate film is thinner and the heat transfer coefficient larger for superheated than for saturated vapor. The heat flux on the cooling surface arising from the sensible heat of condensate increases as the critical point of the condensing substance is approached and, at this point, the Nusselt condensation model gives the single-phase boundary layer solutions. [S0022-1481(00)00701-5]

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

http://asmedigitalcollection.asme.org/heattransfer/article-pdf/122/1/192/5911349/171_1.pdf

Reference31 articles.

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3. 60, pp. 569–575.

4. Kruzhilin, G. N. , 1937, “Improvement of the Nusselt Theory of Heat Transfer with Condensation,” J. Tech. Phys., 7, pp. 2011–2017.

5. Rohsenow, W. M. , 1956, “Heat Transfer and Temperature Distribution in Laminar-Film Condensation,” Trans. ASME, 78, pp. 1645–1648.

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