網により拘束された液-液界面の電場による不安定現象

DOI Web Site 被引用文献1件 参考文献18件
  • 藤本 雅則
    金沢工業大学 大学院 工学研究科 機械工学専攻 博士後期課程
  • 栩谷 吉郎
    金沢工業大学 工学部 機械系

書誌事項

タイトル別名
  • Instability of Liquid-liquid Interface Inhibited by Net under Electric Field
  • 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)
  • アミ ニ ヨリ コウソクサレタ エキ エキ カイメン ノ デンバ ニ ヨル フアンテイ ゲンショウ カイメン ゲンショウ ノ カンサツ ト ソノ トクセイ
  • 界面現象の観察とその特性
  • Observation of Interface Behavior and its Characteristics

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抄録

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.

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