10605 静電浮遊法による回転印加した粘性液滴の挙動(流体測定技術の新展開(2),OS.12 流体測定技術の新展開)

概要

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The electrostatic levitation is one of the containerless processing techniques. Thermo-physical properties of extreme high temperature molten metals have been measured with an oscillating drop method based on linear approximations. For example, viscosity has been estimated from the damping constant when the oscillation is input to a levitated liquid drop. However, this method is limited to the low viscosity fluid because the oscillation is not excited viscosity liquid drop. Thus, the purpose is to consider a new method of wide viscosity measurement on a levitated liquid drop. In the present study, several different viscosity drops were levitated by the electrostatic force. Drop deformation was performed by applying rotation. The effect of viscosity on the deformation by rotation and time dependence of drop midpoint radius for drop breakup were experimentally investigated.
社団法人日本機械学会の論文
2009-03-05