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Communication Dans Un Congrès Année : 2022

Numerical study of particle movement in an inclined standing wave electric curtain

Résumé

An electrostatic curtain presents a simple way to manipulate sub-millimeter particles for the purpose of surface cleaning or particle separation. The purpose of this work is to investigate numerically the charged particles’ behavior in a planar electrostatic curtain using standing waves. The numerical model of the particle’s motion induced by a standing wave on an in-clined electric curtain takes into account the simultaneous application of several forces. Insu-lating sub-millimeter charged particles are subject to electric forces, namely, Coulomb force, dielectrophoretic, and image forces, but also to gravity, drag force, and Van der Waals adhe-sion force. The amplitude of these forces varies according to particle size, electric charge, and particle position. In a standing wave case, the particles are split into two groups moving in opposite directions. The influence of parameters like frequency, charge amplitude, and cur-tain inclination was studied. Mainly, the results show that applying low-frequency voltage along with inclination increase can lead to a long-distance displacement of particles, which leads to better cleaning performances.
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Dates et versions

hal-04494524 , version 1 (07-03-2024)

Identifiants

  • HAL Id : hal-04494524 , version 1

Citer

Hana Bechkoura, Miloud Kachi, Noureddine Zouzou. Numerical study of particle movement in an inclined standing wave electric curtain. 2022 Electrostatics Joint Conference, ESA'2022, Electrostatics Society of America (ESA), Jun 2022, Charlotte, NC, United States. ⟨hal-04494524⟩
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