宇宙用高性能冷却システムの開発を目的とした混合媒体の核沸騰における伝熱促進効果に関する研究
書誌事項
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- Heat transfer enhancement in binary mixtures applied to development of high-performance thermal management systems in space
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第25回宇宙利用シンポジウム(2009年1月14日-15日, 宇宙航空研究開発機構宇宙科学研究本部相模原キャンパス)
The Twenty-fifth Space Utilization Symposium (January 14-15, 2009: ISAS/JAXA Sagamihara, Japan)
To develop high-performance space thermal management systems with boiling phenomena, the heat transfer characteristics in nucleate pool boiling of binary mixtures on a horizontal surface were investigated using three different mixtures 1-Propanol/Water, 2-Propanol/Water and Water/Ethylene glycol at the saturated state under atmospheric pressure. For 1-Propanol/Water and 2-Propanol/Water, increase in the heat transfer coefficients was confirmed while the critical heat flux values are decreased at very low concentration of alcohol. The existence of Marangoni effect on the observed heat transfer enhancement was emphasized. A definition of Marangoni number was proposed to take account of the Marangoni effect by using the concentration difference between vapor-liquid interface underneath bubble and bulk liquid.
形態: カラー図版あり
資料番号: AA0064297120
収録刊行物
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- 宇宙利用シンポジウム = Space Utilization Research: Proceedings of Space Utilization Symposium
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宇宙利用シンポジウム = Space Utilization Research: Proceedings of Space Utilization Symposium 25 2009-03
宇宙航空研究開発機構宇宙科学研究本部
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詳細情報 詳細情報について
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- CRID
- 1050011086271131008
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- NII論文ID
- 120006830608
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- NII書誌ID
- AN10324210
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- Web Site
- http://id.nii.ac.jp/1696/00013358/
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- 本文言語コード
- ja
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- conference paper
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