Condensation Heat Transfer of a Binary Liquid Metal Vapor
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概要
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The condensation heat transfer of a binary liquid metal vapor with and without a non-condensable gas is studied experimentally. The liquid metal vapor, which is generated from a mercury-lead-bismuth alloy, is forced to flow downward in a vertical tube, the outside of which is cooled by water, oil or air. The radial temperature distributions in the tube wall and in the vapor are measured as well as the vapor pressure. The heat flux is found to be proportional to the temperature difference between the vapor and the wall surface. In the presence of a non-condensable gas in the vapor, the condensation heat transfer coefficient is found to decrease with an increase of the weight fraction of the non-condensable gas. The coefficient obtained experimentally agrees well with the theoretical one of single component vapor predicted by assuming a local thermal equilibrium in the vapor.
- 一般社団法人日本機械学会の論文
著者
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MORI Yasuo
Tokyo Institute of Technology
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Uchida Motokazu
Central Research Laboratory Hitachi Ltd.
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HARA Toshitsugu
Central Research Laboratory, Hitachi Ltd.
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HARADA Tetsuro
Tokyo Institute of Technology
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Hara Toshitsugu
Central Research Laboratory Hitachi Ltd.
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Mori Yasuo
Tokyo Insititute Of Technology
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