Combined negative dielectrophoresis and phase separation in nondilute suspensions subject to a high-gradient ac electric field

Document Type

Article

Publication Date

2-1-2004

Abstract

The combined negative dielectrophoresis and phase separation in concentrated suspensions of neutrally buoyant particles were studied. It was observed that when the suspensions were subjected to a high-gradient ac field, a phase separation occurred. The interparticle electric interactions were found to be responsible for the phenomenon. A electrohydrodynamic model for the one and two-phase states of a suspension, which was a generalization of the theory for thermodynamics of the field-induced phase transitions in the suspensions of polarized particles, was also discussed.

Identifier

42749103322 (Scopus)

Publication Title

Physical Review E Statistical Nonlinear and Soft Matter Physics

External Full Text Location

https://doi.org/10.1103/PhysRevE.69.021402

ISSN

1063651X

First Page

1

Last Page

21402

Issue

2 1

Volume

69

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