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Analysis of the heat transfer coefficient of grooved heat pipe evaporator walls

Stephan, Peter and Busse, C. A. (1992):
Analysis of the heat transfer coefficient of grooved heat pipe evaporator walls.
In: International Journal of Heat and Mass Transfer, 35 (2), pp. 383-391. ISSN 00179310,
[Article]

Abstract

A model for the radial heat transfer of a grooved heat pipe evaporator is presented. It combines the solution of a two-dimensional heat conduction problem with the calculation of the shape of the liquid-vapour interface and its temperature, taking into account the influence of meniscus curvature and adhesion forces on the volatility of the liquid. It is shown that the common assumption of an interface temperature equal to the saturation temperature of the vapour can lead to a large overprediction of the radial heat transfer coefficient.

Item Type: Article
Erschienen: 1992
Creators: Stephan, Peter and Busse, C. A.
Title: Analysis of the heat transfer coefficient of grooved heat pipe evaporator walls
Language: English
Abstract:

A model for the radial heat transfer of a grooved heat pipe evaporator is presented. It combines the solution of a two-dimensional heat conduction problem with the calculation of the shape of the liquid-vapour interface and its temperature, taking into account the influence of meniscus curvature and adhesion forces on the volatility of the liquid. It is shown that the common assumption of an interface temperature equal to the saturation temperature of the vapour can lead to a large overprediction of the radial heat transfer coefficient.

Journal or Publication Title: International Journal of Heat and Mass Transfer
Journal volume: 35
Number: 2
Divisions: 16 Department of Mechanical Engineering > Institute for Technical Thermodynamics (TTD)
16 Department of Mechanical Engineering
Date Deposited: 26 Feb 2015 16:56
Official URL: http://dx.doi.org/10.1016/0017-9310(92)90276-X
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