Coalescence of Microbubble

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抄録

Mechanism of bubble coalescence is not clear. It is one of the unknown problems in multiphase flow phenomena. Recently, the utilization of microbubble becomes a key technology in both mechanical and chemical engineering fields. In general, it is believed that the microbubble is hard to coalesce with each other unlike bubbles of millimeter size. However, we found many microbubble coalescences in the microbubbly flow. Until today, the microbubble coalescence has not been reported via the experimental observations, and there is no theory that can explain the mechanism of the bubble coalescence in all bubble scale. Our observation reported here overrides the conventional conception and this fact is important for both engineering and academic fields. The purpose of this paper is to report our findings by using the high-speed camera, and to try to elucidate the mechanism of the microbubble coalescence.

収録刊行物

  • 実験力学 : journal of JSEM  

    実験力学 : journal of JSEM 8(1), 38-44, 2008-03-25 

    The Japanese Society for Experimental Mechanics

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各種コード

  • NII論文ID(NAID)
    10021155562
  • NII書誌ID(NCID)
    AA11822914
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13464930
  • NDL 記事登録ID
    9460651
  • NDL 雑誌分類
    ZM17(科学技術--科学技術一般--力学・応用力学)
  • NDL 請求記号
    Z74-C355
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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