Abstract
Liquid phase motion in the vicinity of a zigzag-rising single bubble has been investigated. Interfacial motion and motion of the center of gravity of the bubble were measured by high-speed video camera. On the basis of the results, the liquid phase motion at some inflection points of the zigzag trajectory was measured via LDA and PIV system. Different patterns of the liquid phase motion have been found at each point of inflection. Further, it is confirmed that the liquid motion affected by a rising bubble is restricted just near a bubble.
