Bubble Cutting by Cylinder – Elimination of Wettability Effects by a Separating Liquid Film

Experiments and simulations are presented for the interaction of single bubbles rising in a viscous liquid against horizontal cylinder (Ø = 4 mm) varying wettability. The slide-off small cutting larger into two daughter observed experiment reproduced by phase-field simulations. It is shown that entire process bubble separated film, which eliminates any influence Before mother splits, thinning gas thread develops below cylinder. rupture this can lead to different number satellite depending on conditions.