液柱マランゴニ対流の三次元PTV計測 Three-Dimensional PTV Measurement of Marangoni Convection in a Liquid Bridge

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Flow patterns of a surface tension driven convection (Marangoni convection) in a liquid bridge were measured using three-dimensional particle tracking velocimetry (3-D PTV) in a microgravity experiment conducted on the TR-IA#6 sounding rocket. The dimension of the liquid bridge was 28 mm in disk diameter and 20 mm in length, and the temperature difference of 50 K was imposed between the heated and the cooled disks, thus achieving a super critical condition. The flow patterns were observed through the transparent heated disk with three CCD cameras simultaneously, and their images were analyzed to perform particle tracking. Three-dimensional particle trajectories so obtained exhibited unsteady and complicated flow patterns showing vortex-like circulation zones in the corner regions near the disks.

収録刊行物

  • 可視化情報学会誌 = Journal of the Visualization Society of Japan  

    可視化情報学会誌 = Journal of the Visualization Society of Japan 18, 79-80, 1998-07-01 

    The Visualization Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002675548
  • NII書誌ID(NCID)
    AN10374478
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09164731
  • NDL 記事登録ID
    4511014
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z15-431
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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