網により拘束された液-液界面の電場による不安定現象 : 界面現象の観察とその特性 Instability of Liquid-liquid Interface Inhibited by Net under Electric Field : Observation of Interface Behavior and its Characteristics

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This paper deals with the stabilization of the formation of conic waves on a liquid-liquid interface under electric field. It is known that the interface becomes unstable when the electric field is perpendicularly applied to the interface, and the conic waves that are sometimes called Taylor cone are formed. The liquid drops are generated from these waves. In this study, the stabilization of the interface behavior has been achieved by setting up the metal-net of square mesh or rectangular mesh which restrains the movement of the interface, so that the wave is periodically generated in mesh. Distilled water and silicone oil are used in the experiment. A positive electrode of 80 mm×80 mm is set in the oil, and a negative one in water. Pictures of the phenomena of the interface are taken with the video camera of normal-speed or high-speed, and analyzed precisely on the monitor. As a result, the waves and drops formed are steady and uniform. The size of the mesh influences the formation period of the waves. When the size increases, the period lengthens. The mechanism of the drop formation divides into two types. One type is generated from the tip of the conic wave generated in a mesh. In the other type, the liquid column which results from the growth of the conic wave disintegrates, and becomes drops of comparatively large diameter. It is also shown that a liquid column can be formed by composing two reflection waves in a rectangular mesh.

収録刊行物

  • Thermal science and engineering  

    Thermal science and engineering 16(1), 31-40, 2008-01-01 

    The Heat Transfer Society of Japan

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各種コード

  • NII論文ID(NAID)
    10021063860
  • NII書誌ID(NCID)
    AA11358679
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09189963
  • NDL 記事登録ID
    9395838
  • NDL 雑誌分類
    ZM5(科学技術--科学技術一般--工学・工業)
  • NDL 請求記号
    Z54-J404
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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