Vapor condensation on curvilinear disk-shaped fin at microgravity

Abstract

A problem of the film type condensation of the pure vapor on disk-shaped fin is considered with taking into account the essential influence of the capillary forces. Calculations for FC-72 condensation on such fin have been performed at microgravity conditions. A hump on the condensate film thickness curve is occurred on the concave part of the fin due to the additional curvature of the disc shape. The results have been compared to results for straight fin with the same surface area of condensation. Condensate outflow from the disk-shaped film is greater than from straight fin.

Original language	English
Pages (from-to)	165-169
Number of pages	5
Journal	Microgravity Science and Technology
Volume	20
Issue number	3-4
DOIs	https://doi.org/10.1007/s12217-008-9033-4
Publication status	Published - 1 Sep 2008

Keywords

Capillary force
Film-wise condensation
Finned surface

ASJC Scopus subject areas

Engineering (miscellaneous)
Mechanics of Materials
Computational Mechanics

Access to Document

10.1007/s12217-008-9033-4

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title = "Vapor condensation on curvilinear disk-shaped fin at microgravity",

abstract = "A problem of the film type condensation of the pure vapor on disk-shaped fin is considered with taking into account the essential influence of the capillary forces. Calculations for FC-72 condensation on such fin have been performed at microgravity conditions. A hump on the condensate film thickness curve is occurred on the concave part of the fin due to the additional curvature of the disc shape. The results have been compared to results for straight fin with the same surface area of condensation. Condensate outflow from the disk-shaped film is greater than from straight fin.",

keywords = "Capillary force, Film-wise condensation, Finned surface",

author = "Igor Marchuk and Oleg Kabov",

year = "2008",

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language = "English",

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journal = "Microgravity Science and Technology",

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AU - Kabov, Oleg

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N2 - A problem of the film type condensation of the pure vapor on disk-shaped fin is considered with taking into account the essential influence of the capillary forces. Calculations for FC-72 condensation on such fin have been performed at microgravity conditions. A hump on the condensate film thickness curve is occurred on the concave part of the fin due to the additional curvature of the disc shape. The results have been compared to results for straight fin with the same surface area of condensation. Condensate outflow from the disk-shaped film is greater than from straight fin.

AB - A problem of the film type condensation of the pure vapor on disk-shaped fin is considered with taking into account the essential influence of the capillary forces. Calculations for FC-72 condensation on such fin have been performed at microgravity conditions. A hump on the condensate film thickness curve is occurred on the concave part of the fin due to the additional curvature of the disc shape. The results have been compared to results for straight fin with the same surface area of condensation. Condensate outflow from the disk-shaped film is greater than from straight fin.

KW - Capillary force

KW - Film-wise condensation

KW - Finned surface

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