Development of flow visualization by ultrasonic for thermocapillary convection of low Prandtl number fluid

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: 2007-03-30

Material Format: Digital

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Note (General)：: This paper describes an investigation for development of visualization system which aims to observe Marangoni convection in a half-zone liquid bridge ...

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Material Type: 文書・図像類
Title: Development of flow visualization by ultrasonic for thermocapillary convection of low Prandtl number fluid
Author/Editor: 松本, 聡
益子, 岳史
大平, 博昭
依田, 眞一
佐々木, 宏衛
依田, 英里香
Matsumoto, Satoshi
Mashiko, Takashi
Ohira, Hiroaki
Yoda, Shinichi
Sasaki, Hiroei
Yoda, Erika
Author Heading: 松本, 聡
益子, 岳史
大平, 博昭
依田, 眞一
佐々木, 宏衛
依田, 英里香
Matsumoto, Satoshi
Mashiko, Takashi
Ohira, Hiroaki
Yoda, Shinichi
Sasaki, Hiroei
Yoda, Erika
Publication, Distribution, etc.: 宇宙航空研究開発機構
Publication Date: 2007-03-30
Publication Date (W3CDTF): 2007-03-30
Periodical title: 宇宙航空研究開発機構研究開発資料 = JAXA Research and Development Memorandum
No. or year of volume/issue: JAXA-RM-06-015E
Volume: JAXA-RM-06-015E
ISSN (Periodical Title): ISSN : 1349-1121
Text Language Code: eng
Subject Heading: 超音波トランスデューサ
マランゴニ対流
流れの可視化
液柱
液体金属
錫
プラントル数
温度分布
濃度勾配
温度測定
ultrasonic wave transducer
Marangoni convection
flow visualization
liquid bridge
liquid metal
tin
Prandtl number
temperature distribution
concentration gradient
temperature measurement
Target Audience: 一般
Note (General): This paper describes an investigation for development of visualization system which aims to observe Marangoni convection in a half-zone liquid bridge of low-Prandtl number fluid of molten tin. Generally, low Prandtl number fluids (eg. molten metal and semiconductor) are opaque. So, the internal flow can not be measured by using a visible light. Therefore we employed the ultrasonic wave to track the particle position. The transducer was made by LiNbO3 single crystal as a piezoelectric element which was attached on titanium shoe. The suitable tracer to mix into the molten tin liquid bridge was examine in several point of view; density match, wettability with mother fluid, acoustic impedance and so on. The hallow Shirasu-balloon coated with Ni and Fe could be made. The feasibility test of this system was performed and the result demonstrates us to be able to visualize the internal flow filed in low Prandtl number liquid column.
資料番号: AA0063889000
レポート番号: JAXA-RM-06-015E
Source: https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=2626&item_no=1&attribute_id=31&file_no=1
https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=2626&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