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Investigation of free surface heat transfer effect and oscillation mechanisms for thermocapillary flow of high Prandtl number fluid
https://jaxa.repo.nii.ac.jp/records/2352
https://jaxa.repo.nii.ac.jp/records/23522824abb3-74c0-4cbe-93ed-ebceeabc0fdc
名前 / ファイル | ライセンス | アクション |
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48708001.pdf (1.1 MB)
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Item type | テクニカルレポート / Technical Report(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Investigation of free surface heat transfer effect and oscillation mechanisms for thermocapillary flow of high Prandtl number fluid | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 熱伝達 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 振動 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 熱キャピラリー流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 高プラントル数流体 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 液体流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 液柱 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | マランゴニ対流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 数値シミュレーション | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | heat transfer | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | oscillation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | thermocapillary flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | high Prandtl number fluid | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | liquid flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | liquid bridge | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Marangoni convection | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | numerical simulation | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18gh | |||||
資源タイプ | technical report | |||||
その他のタイトル | ||||||
その他のタイトル | 高プラントル数流体の熱キャピラリー流に対する自由表面熱伝達効果と振動機構の研究 | |||||
著者 |
鴨谷, 康弘
× 鴨谷, 康弘× Wang, A.× 依田, 真一× Kamotani, Yasuhiro× Wang, A.× Yoda, Shinichi |
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著者所属 | ||||||
Case Western Reserve University | ||||||
著者所属 | ||||||
Case Western Reserve University | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 | ||||||
著者所属(英) | ||||||
en | ||||||
Case Western Reserve University | ||||||
著者所属(英) | ||||||
en | ||||||
Case Western Reserve University | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構 | |||||
出版者(英) | ||||||
出版者 | Japan Aerospace Exploration Agency (JAXA) | |||||
書誌情報 |
宇宙航空研究開発機構研究開発報告 en : JAXA Research and Development Report: Marangoni Convection Modeling Research, 2003-2004 巻 JAXA-RR-04-027E, p. 11-24, 発行日 2005-03-31 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The effect of free surface heat transfer on oscillatory thermocapillary flow in liquid bridges of high Prandtl number (Pr) fluids is investigated experimentally as well as numerically. It has been found that the critical condition is very sensitive to the free surface heat transfer under certain conditions but relatively insensitive under other conditions. In this work it is shown that this sensitivity difference may be related to the difference in the oscillation mechanism. Several oscillation mechanisms have been proposed in the past for oscillatory thermocapillary flows in liquid bridges of high Prandtl fluids, mainly hydrothermal wave type instability and a non-linear mechanism involving dynamic free surface deformation. It is discussed here that the range of Marangoni number, where the flow is found to become oscillatory in many experiments for high Pr fluids, is too low for the flow to become unstable by the hydrothermal wave instability mechanism, or any linear instability mechanism. Instead, non-linear mechanisms are needed where the driving force is altered continuously by some means. In order to get this conclusion, the past work is summarized and some new results are presented herein. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1349-1113 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA1192675X | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0048708001 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: JAXA-RR-04-027E |