Numerical simulation of Marangoni convection in consideration of free surface displacement

Material type: 文書・図像類

Author: 橋本, 貴徳ほか

Publisher: 宇宙航空研究開発機構

Publication date: 2005-03-31

Material Format: Digital

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Note (General)：: Thermocapillary-driven convection in a half-zone liquid bridge has been extensively examined. A large number of researches have been conducted concern...

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Material Type: 文書・図像類
Title: Numerical simulation of Marangoni convection in consideration of free surface displacement
Author/Editor: 橋本, 貴徳
香坂, 幸史
上野, 一郎
河村, 洋
依田, 真一
Hashimoto, Takanori
Kosaka, Yukifumi
Ueno, Ichiro
Kawamura, Hiroshi
Yoda, Shinichi
Author Heading: 橋本, 貴徳
香坂, 幸史
上野, 一郎
河村, 洋
依田, 真一
Hashimoto, Takanori
Kosaka, Yukifumi
Ueno, Ichiro
Kawamura, Hiroshi
Yoda, Shinichi
Publication, Distribution, etc.: 宇宙航空研究開発機構
Publication Date: 2005-03-31
Publication Date (W3CDTF): 2005-03-31
Alternative Title: 自由表面変位を考慮したマランゴニ対流の数値シミュレーション
Periodical title: 宇宙航空研究開発機構研究開発報告 = JAXA Research and Development Report: Marangoni Convection Modeling Research, 2003-2004
No. or year of volume/issue: JAXA-RR-04-027E
Volume: JAXA-RR-04-027E
Pages: 49-75
ISSN (Periodical Title): ISSN : 1349-1113
Text Language Code: eng
Subject Heading: 動的表面変形
マランゴニ対流
数値シミュレーション
熱キャピラリー流
液柱
ナビエ・ストークス方程式
計算格子
dynamic surface deformation
Marangoni convection
numerical simulation
thermocapillary flow
liquid bridge
Navier-Stokes equation
computational grid
Target Audience: 一般
Note (General): Thermocapillary-driven convection in a half-zone liquid bridge has been extensively examined. A large number of researches have been conducted concerning the transition of the flow field. Physical mechanism of the transition, however, has not been fully understood. In the present study, three-dimensional numerical simulations taking with and without Dynamic free Surface Deformation (DSD) into account are carried out to evaluate the effect of the surface deformation upon the flow field. The surface shape is solved by considering the stress balance on the free surface, and the calculation coordinate is reconstructed at every time step with employing a boundary fitted coordinate. The test fluids are acetone (Pr = 4.38) and 2cSt silicone oil (Pr = 28.11). The free surface deformation is determined primarily by the pressure variation. For acetone, the effect of the DSD upon critical point and flow field was quite small in the range of present numerical simulation in previous report. In this report, the effect of DSD for 2cSt silicone oil is obtained.
資料番号: AA0048708003
レポート番号: JAXA-RR-04-027E
Access Restrictions: 限定公開
Periodical Title (NCID): AA1192675X
https://ci.nii.ac.jp/ncid/AA1192675X
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