連続スラグ気泡の相互干渉に関する評価

概要

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An experimental investigation about the interaction among successive large bubbles in the vertical upward flow was conducted. In the experiment, single and two/three consecutive rising bubbles were artificially made, and the velocities of large bubbles flow were measured by using the CECM (Constant Electric Current Method) and a high speed camera. In the case of two consecutive bubbles, the maximum velocity was influenced by the volume of the leading bubble. In the case of three consecutive bubbles, the former two bubbles, i.e. "Top bubble" and "Middle bubble", showed the same characteristics with two successive bubbles, but later two bubbles, i.e. "Middle bubble" and "Bottom bubble", showed the different tendency with two successive bubbles. The effect of the difference especially was observed in the deformation of the bottom bubbles.
日本混相流学会の論文