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Motion of an Intruder Through a Two Dimensional Disordered Granular Medium

In: Traffic and Granular Flow ’07

Author

Listed:
  • Pierre Cixous

    (Physique et Mécanique des Milieux Hétérogenes (PMMH); CNRS UMR 7636 Université Pierre et Marie Curie (Paris VI); Université Denis Diderot (Paris VII); Ecole Supérieure de Physique et Chimie Industrielles (ESPCI))

  • Evelyne Kolb

    (Physique et Mécanique des Milieux Hétérogenes (PMMH); CNRS UMR 7636 Université Pierre et Marie Curie (Paris VI); Université Denis Diderot (Paris VII); Ecole Supérieure de Physique et Chimie Industrielles (ESPCI))

  • Jean-Claude Charmet

    (Physique et Mécanique des Milieux Hétérogenes (PMMH); CNRS UMR 7636 Université Pierre et Marie Curie (Paris VI); Université Denis Diderot (Paris VII); Ecole Supérieure de Physique et Chimie Industrielles (ESPCI))

  • Chay Goldenberg

    (Physique et Mécanique des Milieux Hétérogenes (PMMH); CNRS UMR 7636 Université Pierre et Marie Curie (Paris VI); Université Denis Diderot (Paris VII); Ecole Supérieure de Physique et Chimie Industrielles (ESPCI))

Abstract

Summary We measured simultaneously the drag force on a cylindrical object (intruder) induced by the flow of a dense 2D bidisperse granular material around it, and the displacements of the individual grains. This type of experiment provides a way to examine the local rheological properties of the material. We found that the measured drag force increases sharply with the packing fraction near φ *=82.35%, indicating a transition to jamming. The dependence of the drag force on φ is clearly related to a decrease in the area of the empty cavity that forms behind the intruder.

Suggested Citation

  • Pierre Cixous & Evelyne Kolb & Jean-Claude Charmet & Chay Goldenberg, 2009. "Motion of an Intruder Through a Two Dimensional Disordered Granular Medium," Springer Books, in: Cécile Appert-Rolland & François Chevoir & Philippe Gondret & Sylvain Lassarre & Jean-Patrick Lebacq (ed.), Traffic and Granular Flow ’07, pages 507-516, Springer.
    • Handle: RePEc:spr:sprchp:978-3-540-77074-9_55
    DOI: 10.1007/978-3-540-77074-9_55
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