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APS » Journals » Phys. Rev. Lett. » Volume 106 » Issue 14
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Phys. Rev. Lett. 106, 148302 (2011) [4 pages]

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

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Rémi Lespiat1, Sylvie Cohen-Addad2,1, and Reinhard Höhler2,1
1Université Paris-Est, LPMDI FRE 3300 CNRS, 5 bd Descartes, 77454 Marne-la-Vallée, France
2Université Paris 6, UMR 7588 CNRS-UPMC, INSP, 4 place Jussieu, 75252 Paris Cedex 05, France

Received 25 January 2010; revised 25 December 2010; published 8 April 2011

See accompanying Physics Synopsis

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.

© 2011 American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.106.148302
DOI:
10.1103/PhysRevLett.106.148302
PACS:
82.70.Rr, 47.57.Qk, 83.80.Fg
 
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