自由液膜内温度差マランゴニ対流における遷移過程(対流・拡散・渦・波動 界面現象(2),一般講演)
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概要
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Thermocapillary-driven flow in a free rectangular liquid film of O(0.1mm) in thickness under a temperature gradient parallel to the free surfaces is examined with experimental approaches. Under a small temperature difference, a two-dimensional basic flow appears; the basic flow is double-layered, that is, the fluid flows from a hot wall to a cool wall on free surfaces and returns in the middle region of the film. The flow exhibits a transition to an 'internal' oscillatory flow, that is, a three-dimensional flow with characteristic particle behaviors inside the film by increasing the temperature difference, although the flow over the free surface never exhibits an oscillatory manner. The authors found out that the flow exhibits a significantly different bifurcation in the case of thinner liquid film.
- 2009-09-02
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- 自由液膜内温度差マランゴニ対流における遷移過程(対流・拡散・渦・波動 界面現象(2),一般講演)