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Foam flow in a silo

Member: Y. Bertho
Collaborations: Ch. Becco, N. Vandewalle (GRASP)

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Dense bubble flows in a two dimensional silo are studied experimentally. A particle tracking technique is used to bring out the main properties of the flow. A correlation between the bubble velocities and their deformations has been evidenced. Moreover, a new discharge law (Beverloo like) must be considered for such particular dispersed media, where the flow rate depends on the deformability of the particles.

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