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Conditions for the sliding-bouncing transition for the interaction of a bubble with an inclined wall

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Academic year: 2021

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Figure

FIG. 1. A bubble rises in a viscous liquid at terminal conditions V term and χ term ; it then collides with a wall, inclined at an angle θ
TABLE I. Physical properties for all the experiments conducted in this investigation. In all cases, the liquids were mixtures of water (W), glycerol (G), and tri-ethanol amine (T); percentages in the second column are by weight
FIG. 2. (a) Map of terminal Reynolds Re term and Weber We term numbers showing all the experiments conducted in this investigation and (b) terminal Reynolds number Re term as a function of wall inclination angle θ
FIG. 4. Evolution of the normalized bubble velocity as a function of normalized time tD eq /V term for the
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