{
  "id": "cond-mat/0009172",
  "version": "v1",
  "published": "2000-09-12T10:46:12.000Z",
  "updated": "2000-09-12T10:46:12.000Z",
  "title": "Experimental study of a granular gas fluidized by vibrations",
  "authors": [
    "Eric Falcon",
    "Stephan Fauve",
    "Claude Laroche"
  ],
  "comment": "10 pages, 8 figures",
  "journal": "Lecture Notes in Physics, S. Luding and T. Poschel (Eds.), Granular Gases, Springer-Verlag, pp. 182 - 191 (2000)",
  "categories": [
    "cond-mat.stat-mech",
    "cond-mat.soft"
  ],
  "abstract": "We report experimental results on the behavior of an ensemble of inelastically colliding particles, excited by a vibrated piston in a vertical cylinder. When the particle number is increased, we observe a transition from a regime where the particles have erratic motions (granular \"gas\") to a collective behavior where all the particles bounce like a nearly solid body. In the gaslike regime, we measure the pressure at constant volume, and the bed expansion at constant external pressure, as a function of the number N of particles. We also measure the density of particles as a function of the altitude, and find that the \"atmosphere\" is exponential far enough from the piston. From these three independent measurements, we determine a \"state equation\" between pressure, volume, particle number and the vibration amplitude and frequency.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2000-09-12T10:46:12.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "granular gas",
      "experimental study",
      "particle number",
      "report experimental results",
      "constant external pressure"
    ],
    "tags": [
      "journal article"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 10,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}