流体工学部門講演会講演論文集
Online ISSN : 2424-2896
会議情報
0201 振動せん断流れにおける液滴の大変形特性(OS2-1 混相流の多次元可視化計測,OS2 混相流の多次元可視化計測)
山内 秀明宮城島 圭人熊谷 一郎大石 義彦田坂 裕司村井 祐一
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p. _0201-01_-_0201-02_

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The aim of this study is to clarify the large deformation characteristics of a droplet in oscillating shear flow. Oscillating shear flow is generated between parallel plates which move opposite directions with sinusoidal waveform with motor sliders. A droplet is set between two plates and it receives shear stress from the plates. A deformed droplet is illuminated by green-laser sheet light and its shape is recorded by a high-speed video camera. The experimental results show that time variations of deformation parameter D have viscoelastic response to strain. Phase advance of maximum deformation parameter to strain θ_<ave> was described as a function of maximum capillary number Ca_<max>.
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