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.
Properties of electrostatically-driven granular medium: Phase transitions and charge transfer
SPACE TECHNOLOGY AND APPLICATIONS INTERNATIONAL FORUM - 2000 ; 2000 ; Albuquerque, New Mexico (USA)
AIP Conference Proceedings ; 504 , 1 ; 723-728
19.01.2000
6 pages
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Properties of Electrostatically-Driven Granular Medium: Phase Transitions and Charge Transfer
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