Jamming and Flow of Random-Close-Packed Spherical Bubbles: An Analogy with Granular Materials

Abstract : Wet foams are random-close-packed assemblies of approximately spherical gas bubbles in a liquid. We report rheological experiments with this material, showing that even though the stiffness and frictional interactions of bubbles strongly distinguish them from solid spherical grains, jamming and flow of wet foams and granular materials are governed by closely analogous laws.
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Remi Lespiat, Sylvie Cohen-Addad, Reinhard Hoehler. Jamming and Flow of Random-Close-Packed Spherical Bubbles: An Analogy with Granular Materials. Physical Review Letters, American Physical Society, 2011, 106 (14), pp.148302. ⟨10.1103/PhysRevLett.106.148302⟩. ⟨hal-00692971⟩

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