Influence of Internal Phenomena on Gas Bubble Motion : Effects of Thermal Diffusion, Phase Change on the Gas-Liquid Interface and Mass Diffusion between Vapor and Noncondensable Gas in the Collapsing Phase

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概要

• 論文の詳細を見る

• The motion of a single bubble is simulated directly using the full conservation equations for mass, momentum and energy when the surrounding pressure increases stepwise. The numerical results for several cases reveal that considerable distributions of temperature and concentration of vapor are formed inside the bubble, and heat and mass transfer inside the bubble have a great influence on the bubble motion. Heat transfer on the bubble wall, which is mainly governed by the temperature gradient, causes the thermal damping of the bubble motion. This damping behavior is influenced by the initial bubble radius. Mass transfer on the bubble wall, which is influenced by diffusion phenomena between vapor and noncondensable gas, also greatly effects the bubble motion.

• 一般社団法人日本機械学会の論文
• 1994-05-15

著者

• Takemura Fumio

  Division Of Nephrology Department Of Internal Medicine Tokai University Oiso Hospital

• Takemura Fumio

  Mechanical Engineering Labolatory Aist Miti

• Matsumoto Yoichiro

  Depertment Of Mechanical Engineering The University Of Tokyo

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• Influence of Internal Phenomena on Gas Bubble Motion : Effects of Transport Phenomena and Mist Formation inside Bubble in the Expanding Phase
• Influence of Internal Phenomena on Gas Bubble Motion : Effects of Thermal Diffusion, Phase Change on the Gas-Liquid Interface and Mass Diffusion between Vapor and Noncondensable Gas in the Collapsing Phase

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