Interaction Phenomena between Droplets and Hot Walls around Leidenfrost Temperature

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概要

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• The interaction phenomena of one drop impinging on a hot surface around Leidenfrost temperature have been experimentally evaluated. In this experiment especially droplet interaction behavior in respect to the different drop velocity was analyzed with high-speed camera using 3000 frames per second. With higher drop velocity, Leidenfrost temperature decreases. At a certain drop velocity and surface temperature, a droplet jet extraction phenomenon has been discovered. Because of the vaporization at the first impact of the droplet bottom, the vaporization pressure attack the top of the droplet, then the jet has been extracted from the top of the droplet. At higher drop velocity, the jet extraction phenomenon does not occur, since the droplet has higher impact moment.

• 日本流体力学会の論文
• 2007-08-06

著者

• Uddin Mezbah

  Institute Of Environmental Studies The University Of Tokyo

• SOMEYA Sathoshi

  Institute of Environmental Studies, The University of Tokyo

• OKAMOTO Koji

  Institute of Environmental Studies, The University of Tokyo

• Okamoto Koji

  Institute Of Environmental Studies The University Of Tokyo

• Someya Sathoshi

  Institute Of Environmental Studies The University Of Tokyo

関連論文

• Interaction Phenomena between Droplets and Hot Walls around Leidenfrost Temperature

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