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Foam flow in a silo

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Member: Y. Bertho
Collaborations: C. Becco, N. Vandewalle


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.



2D wet foam flowing out a silo



Publication

  • Dense bubble flow in a silo: an unusual flow of a dispersed medium [ Digital Object Identifier | PDF ]
    Y. Bertho, C. Becco and N. Vandewalle, Phys. Rev. E 73, 056309 (2006)