Application of Digital Image Processing in Two-Phase Flow. 2nd Report. Dynamic analysis of bubble motion.

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  • ディジタル画像処理の二相流への適用　第２報　気泡の動的解析
  • ディジタル ガゾウ ショリ ノ 2ソウリュウ エ ノ テキヨウ ダイ 2ホウ
  • 2nd Report-Dynamic analysis of bubble motion
  • 第2報―気泡の動的解析

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Abstract

In the second report, the extraction technique of the bubble boundary described in the first report is applied to analyze the subcooled flow boiling in the vertical annular tube. The procedure determines bubble size and shape, interfacial area, information about void formation, bubble growth or collapse, position and velocity of bubbles, bubble life time and bubble trajectory for particular condition. These parameters are of fundamental importance in two fluid model formulation, especially in relation to the rational design and effective operation of facilities in the energy power systems and in various industrial processes.

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