静電浮遊液滴の回転分裂挙動を用いた非接触粘性測定法の開発

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タイトル別名
  • Development of non-contact technology for measuring viscosity using breakup of rotating drop
  • セイデンフユウ エキテキ ノ カイテン ブンレツ キョドウ オ モチイタ ヒセッショク ネンセイ ソクテイホウ ノ カイハツ

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抄録

The electrostatic levitation is utilized as one of the containerless processing techniques. Some recent investigations focus on thermal property measurement of high temperature molten metals with an oscillating droplet method. For example, viscosity has been estimated from the damping constant. However, this method is limited to the low viscosity fluid. Thus, the purpose of the present study is to develop method of wide viscosity measurement on a levitated liquid droplet. In the present study, the droplets with kinds of viscosity were levitated by the electrostatic force. Droplet deformation was induced by applying rotation. The followings are obtained connection rotational breakup and viscosity. The observed dynamics indicated that it is possible to measure physical property of levitated droplet.

収録刊行物

  • 熱物性

    熱物性 26 (1), 9-14, 2014

    日本熱物性学会

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