2005/12/31 by Frédéric Lechenault, Frederic Lechenault, Olivier Dauchot +3 · 1 citation
Chemical Engineering · Engineering · Materials Science · Physics and Astronomy · #Granular flow and fluidized beds #Material Dynamics and Properties #Rheology and Fluid Dynamics Studies #cond-mat.stat-mech
paper · pdf · doi:10.1088/1742-5468/2006/07/p07009
published as J. Stat. Mech. P07009 (2006) · 16 pages, 7 figures; replace a shorter version
arxiv created 2006/03/25 · openalex publication_date 2006/07/31 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/30
We investigate experimentally the distribution of the free volume inside a bidimensional granular packing associated either with single grains or with clusters of grains. This is done for two different types of grains and two levels of compaction. The logarithm of the free volume distribution scales in a non-extensive way with the cluster size for cluster sizes up to a few hundred grains. Having factorized this size dependence, we characterize the distributions by two intensive parameters. We discuss the interpretation of these parameters and their possible relation to Edwards' compactivity.