Properties of electrostatically-driven granular medium: Phase transitions and charge transfer

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The experimental and theoretical study of electrostatically driven granular material are reported. It is shown that the charged granular medium undergoes a hysteretic first order phase transition from the immobile condensed state (granular solid) to a fluidized dilated state (granular gas) with a changing applied electric field. In addition a spontaneous precipitation of dense clusters from the gas phase and subsequent coarsening--coagulation of these clusters is observed. Molecular dynamics simulations shows qualitative agreement with experimental results.

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9 p.

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Aranson, I. S.; Kalatsky, V. A.; Crabtree, G. W.; Kwok, W.-K.; Vinokur, V. M. & Welp, U. October 14, 1999.

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Description

The experimental and theoretical study of electrostatically driven granular material are reported. It is shown that the charged granular medium undergoes a hysteretic first order phase transition from the immobile condensed state (granular solid) to a fluidized dilated state (granular gas) with a changing applied electric field. In addition a spontaneous precipitation of dense clusters from the gas phase and subsequent coarsening--coagulation of these clusters is observed. Molecular dynamics simulations shows qualitative agreement with experimental results.

Physical Description

9 p.

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OSTI as DE00750538

Medium: P; Size: 9 pages

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  • STAIF-2000, Albuquerque, NM (US), 01/30/2000--02/03/2000

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  • Report No.: ANL/MSD/CP-100191
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 750538
  • Archival Resource Key: ark:/67531/metadc707725

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  • October 14, 1999

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 11, 2017, 9:03 p.m.

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Aranson, I. S.; Kalatsky, V. A.; Crabtree, G. W.; Kwok, W.-K.; Vinokur, V. M. & Welp, U. Properties of electrostatically-driven granular medium: Phase transitions and charge transfer, article, October 14, 1999; Illinois. (digital.library.unt.edu/ark:/67531/metadc707725/: accessed November 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.