Development of non-contact technology for measuring viscosity using breakup of rotating drop

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  • MAEKAWA Tomoyuki
    Graduate school of systems and information Engineering, University of Tsukuba
  • MATSUMOTO Satoshi
    Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency
  • ABE Yutaka
    Institute of Engineering Mechanics and Systems, University of Tsukuba
  • KANEKO Akiko
    Institute of Engineering Mechanics and Systems, University of Tsukuba

Bibliographic Information

Other Title
  • 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
  • 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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Abstract

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.

Journal

  • Netsu Bussei

    Netsu Bussei 26 (1), 9-14, 2014

    JAPAN SOCIETY OF THERMOPHYSICAL PROPERTIES

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