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

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

Jan 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aipc..504..723a&link_type=abstract

SPACE TECHNOLOGY AND APPLICATIONS INTERNATIONAL FORUM - 2000. AIP Conference Proceedings, Volume 504, pp. 723-728 (2000).

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Applications

Granular Flow: Mixing, Segregation And Stratification, Electrostatics, Poisson And Laplace Equations, Boundary-Value Problems

Scientific paper

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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