AM06-08-005 気泡間相互作用に及ぼす気泡周辺の圧力分布の影響(混相流・機能性流体(1),一般講演)

概要

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The pressure distribution around a rising bubble or fixed "bubble-like" body is examined both experimentally and computationally in mainly "two-dimensional" domain. The vertical pressure profile along (and parallel to) the bubble central axis is measured directly with a pressure transducer and compared to the CFD evaluation. The bubble-wake pressure consisting of a series of minima and maxima, rapidly decaying downstream, can be equally extracted via both evaluation techniques; the relevant negative-pressure region signifies the extent of "effective" wake for the onset of bubble-bubble interactions.
日本流体力学会の論文
2006-09-05