The Behavior of Pressurized Gas Injected into Liquid between Horizontal Disks Front Velocity and Bubble Shape

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The behavior of a bubble of gas suddenly injected from a nozzle into a liquid between horizontal circular disks is studied experimentally and analytically.<BR>If the ratio of the distance between the disks to the nozzle diameter is less than or equal to 2, the measured front velocity of the interface agrees well with the analytical one. If the ratio is greater than or equal to 4, at first the front velocity is nearly equal to that of a single-phase radial wall jet of gas. Thereafter it is governed by the gravity current. And the empirical formulae of the tip velocity are proposed. At low gas flow rates, the height of the gas-filled portion depends on the limiting height of bubble, which can be expressed by liquid properties alone. By comparison of the measured bubble height with the analytical one, a correlation for the bubble height is proposed.

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  • Journal of nuclear science and technology  

    Journal of nuclear science and technology 35(11), 779-787, 1998-11-25 

    Atomic Energy Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002080304
  • NII書誌ID(NCID)
    AA00703720
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00223131
  • NDL 記事登録ID
    4607763
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z53-A460
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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