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Experimental study of thermocapillary flow in the half-zone liquid bridge of low Prandtl number fluid
https://jaxa.repo.nii.ac.jp/records/42852
https://jaxa.repo.nii.ac.jp/records/42852a91b07ff-450b-42e1-8b28-e3c09ee9d25c
名前 / ファイル | ライセンス | アクション |
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45403006.pdf (2.9 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 | Experimental study of thermocapillary flow in the half-zone liquid bridge of low Prandtl number fluid | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Marangoni対流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ハーフゾーン液橋 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Prandtl数 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 振動流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 熱毛細管流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Marangoni数 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 液体金属 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | スズ | |||||
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 | ||||||
主題Scheme | Other | |||||
主題 | 振動流 | |||||
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 | half-zone liquid bridge | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Prandtl number | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | oscillating flow | |||||
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 | Marangoni number | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | liquid metal | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | tin | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | numerical simulation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | oscillating flow | |||||
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 | 低プラントル数流体のハーフゾーン橋中の振動流の実験的研究 | |||||
著者 |
松本, 聡
× 松本, 聡× 大高, 雅彦× 夏井, 秀定× 新井, 達也× 依田, 真一× Matsumoto, Satoshi× Otaka, Masahiko× Natsui, Hidesada× Arai, Tatsuya× Yoda, Shinichi |
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著者所属 | ||||||
宇宙開発事業団 | ||||||
著者所属 | ||||||
宇宙開発事業団 | ||||||
著者所属 | ||||||
エイ・イー・エス | ||||||
著者所属 | ||||||
宇宙開発事業団 | ||||||
著者所属 | ||||||
宇宙開発事業団 | ||||||
著者所属(英) | ||||||
en | ||||||
National Space Development Agency of Japan | ||||||
著者所属(英) | ||||||
en | ||||||
National Space Development Agency of Japan | ||||||
著者所属(英) | ||||||
en | ||||||
Advanced Engineering Services Co. Ltd. | ||||||
著者所属(英) | ||||||
en | ||||||
National Space Development Agency of Japan | ||||||
著者所属(英) | ||||||
en | ||||||
National Space Development Agency of Japan | ||||||
出版者 | ||||||
出版者 | 宇宙開発事業団 | |||||
出版者(英) | ||||||
出版者 | National Space Development Agency of Japan (NASDA) | |||||
書誌情報 |
宇宙開発事業団技術報告: Marangoni Convection Modeling Research: Annual Report April 1, 2001-March 31, 2002 en : NASDA Technical Memorandum: Marangoni Convection Modeling Research: Annual Report April 1, 2001-March 31, 2002 p. 157-181, 発行日 2002-12-27 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The first and clear experimental evidence for the transition from the steady to the oscillatory flow was presented by the non-contact temperature measurement of a molten tin surface and the surface flow visualization. The experimental study on thermocapillary convection of low Prandtl number fluid was carried out to understand transition behavior to oscillatory flow. The half-zone liquid bridge of molten tin was formed between hot and cold disks in high vacuum chamber (10(exp -5) Pa). The three radiation thermometers were used to measure the free surface temperature at a different azimuthal location at the same time. In addition, the temperature distribution at interface between liquid bridge and cold disk was measured by using very fine thermocouples to detect the transition point and to make clear the oscillation mode more precisely. It can be detected that the steady thermocapillary convection changes to oscillatory under certain condition. The effect of aspect ratio (L/r) on critical Marangoni number is investigated. The critical Marangoni number decreases with increasing the aspect number. This behavior agrees with numerical simulation done by Imaishi et al. qualitatively except for region of smaller aspect ration. The transducer with 3 x 3 LN element was made and checked its sensitivity. The sensor was verified the stability after heat treatment up to 500 C, which was same as actual thermocapillary experiment. The frequency band of oscillator was selected to get the clear echo signal. The optimal frequency was 6 to 14 MHz wide-band. The sphericity and surface roughness of Fe-Ni/SB were improved by an appropriate heat treatment technique on Ni plating process and by the organic additives to the Fe plating solution. The Fe plating rate was obtained. It was found that the thickness increased with time linearly. It could be verified that Fe and Ni plated Shirasu-balloons (Fe-Ni/SB) even in phi-0.1 mm reflected the ultrasonic. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1345-7888 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00364784 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0045403006 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: NASDA-TMR-020026E |