Thermocapillary flow in low Pr number liquid bridge: Annual report of fluid dynamics instability research

Material type: 文書・図像類

Author: 松本, 聡ほか

Publisher: 宇宙航空研究開発機構

Publication date: 2006-03-31

Material Format: Digital

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Note (General)：: Experimental study on thermocapillary convection of low Prandtl number fluid was carried out to estimate the mode structure after the onset of oscilla...

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Material Type: 文書・図像類
Title: Thermocapillary flow in low Pr number liquid bridge: Annual report of fluid dynamics instability research
Author/Editor: 松本, 聡
大平, 博昭
益子, 岳史
佐々木, 宏衛
依田, 英里香
今石, 宣之
依田, 眞一
Matsumoto, Satoshi
Ohira, Hiroaki
Mashiko, Takashi
Sasaki, Hiroei
Yoda, Erika
Imaishi, Nobuyuki
Yoda, Shinichi
Author Heading: 松本, 聡
大平, 博昭
益子, 岳史
佐々木, 宏衛
依田, 英里香
今石, 宣之
依田, 眞一
Matsumoto, Satoshi
Ohira, Hiroaki
Mashiko, Takashi
Sasaki, Hiroei
Yoda, Erika
Imaishi, Nobuyuki
Yoda, Shinichi
Publication, Distribution, etc.: 宇宙航空研究開発機構
Publication Date: 2006-03-31
Publication Date (W3CDTF): 2006-03-31
Periodical title: 宇宙航空研究開発機構研究開発報告 = JAXA Research and Development Report
No. or year of volume/issue: JAXA-RR-05-023E
Volume: JAXA-RR-05-023E
ISSN (Periodical Title): ISSN : 1349-1113
Text Language Code: eng
Subject Heading: 熱キャピラリー流
プラントル数
液柱
振動流れ
温度測定
流れ分布
流れの可視化
マランゴニ対流
thermocapillary flow
Prandtl number
liquid bridge
oscillating flow
temperature measurement
flow distribution
flow visualization
Marangoni convection
Target Audience: 一般
Note (General): Experimental study on thermocapillary convection of low Prandtl number fluid was carried out to estimate the mode structure after the onset of oscillatory flow. The half-zone liquid bridge of molten tin was used as a experimental configuration. In order to detect very slight temperature changes, the temperature measurement system was improved. Temperature oscillations at the interface between liquid and cold rod were obtained by several thermocouples. The first transition could be detected and the transition processes have been clarified. The mode structure appeared in a low frequency oscillation region after the onset was presumed from the phase differences among them. The mode structure was supposed to be 2 and rotation with a frequency of 0.008 Hz. Furthermore, the rotation of the temperature field was elucidated through the multipoint measurements. In addition to above experiment, the preliminary test to visualize the flow field by using ultrasonic wave was performed. The result demonstrates us to be able to visualize the internal flow filed in low Prandtl number liquid column.
資料番号: AA0049790000
レポート番号: JAXA-RR-05-023E
Source: https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=2268&item_no=1&attribute_id=31&file_no=1
https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=2268&item_no=1&attribute_id=31&file_no=1
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ