Experiment on nucleate pool boiling in microgravity by using transparent heating surface - Analysis of surface heat transfer coefficients

C. Kubota, O. Kawanami, Y. Asada, Y. Wada, T. Nagayasu, Shinmoto Yasuhisa, Haruhiko Ohta, O. Kabov, P. Queeckers, S. Chikov, J. Straub

研究成果: ジャーナルへの寄稿Conference article

2 引用 (Scopus)

抄録

Investigation of mechanisms in nucleate boiling under microgravity conditions is essential for the development of the cooling systems handling a large amount of waste heat. A transparent heating surface with multiple arrays of 88 thin film temperature sensors and mini-heaters was developed for the clarification of boiling heat transfer mechanisms in microgravity. To investigate gravity effects on the microlayer behaviors and corresponding local heat transfer coefficients, images of liquid-vapor behaviors underneath attached bubbles and local heat transfer data were simultaneously obtained in microgravity pool boiling. The present paper reports the analysis of the data measured during the ESA parabolic flight campaign. It was found that the liquid-vapor behaviors were strongly affected by the direction and the level of residual gravity. Various patterns of liquid-vapor behaviours and corresponding enhancement or deterioration of the heat transfer are observed.

元の言語英語
記事番号012040
ジャーナルJournal of Physics: Conference Series
327
発行部数1
DOI
出版物ステータス出版済み - 1 1 2011
イベント4th International Symposium on Physical Sciences in Space, ISPS-4 - Bonn, ドイツ
継続期間: 7 11 20117 15 2011

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microgravity
heat transfer coefficients
boiling
heating
heat transfer
vapors
liquids
parabolic flight
gravitation
nucleate boiling
waste heat
cooling systems
temperature sensors
European Space Agency
deterioration
heaters
bubbles
augmentation
thin films

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

これを引用

Experiment on nucleate pool boiling in microgravity by using transparent heating surface - Analysis of surface heat transfer coefficients. / Kubota, C.; Kawanami, O.; Asada, Y.; Wada, Y.; Nagayasu, T.; Yasuhisa, Shinmoto; Ohta, Haruhiko; Kabov, O.; Queeckers, P.; Chikov, S.; Straub, J.

:: Journal of Physics: Conference Series, 巻 327, 番号 1, 012040, 01.01.2011.

研究成果: ジャーナルへの寄稿Conference article

Kubota, C. ; Kawanami, O. ; Asada, Y. ; Wada, Y. ; Nagayasu, T. ; Yasuhisa, Shinmoto ; Ohta, Haruhiko ; Kabov, O. ; Queeckers, P. ; Chikov, S. ; Straub, J. / Experiment on nucleate pool boiling in microgravity by using transparent heating surface - Analysis of surface heat transfer coefficients. :: Journal of Physics: Conference Series. 2011 ; 巻 327, 番号 1.
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AU - Nagayasu, T.

AU - Yasuhisa, Shinmoto

AU - Ohta, Haruhiko

AU - Kabov, O.

AU - Queeckers, P.

AU - Chikov, S.

AU - Straub, J.

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