Trap of a submicron particle in a quadrupole acoustic chamber

P. Vainshtein; M. Shapiro

doi:10.1080/02726351.2010.510167

Trap of a submicron particle in a quadrupole acoustic chamber

P. Vainshtein^*, M. Shapiro

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

We investigate analytically and numerically trapping of submicron aerosol particles in a three-dimensional quadrupole acoustic chamber having hyperbolical configuration. The particle trajectories are described by the Langevin equation accounting for particle random Brownian motion. The particle trapping efficiency is investigated for a range of acoustic field parameters and particle properties. It is shown that submicron diffusive particles can be trapped in a small region near the chamber center. The effect of Brownian motion is to broaden the trapping region. The dimensions of the trapping region can be reduced by increasing the acoustic strength parameter.

Original language	English
Pages (from-to)	450-465
Number of pages	16
Journal	Particulate Science and Technology
Volume	29
Issue number	5
DOIs	https://doi.org/10.1080/02726351.2010.510167
State	Published - Sep 2011
Externally published	Yes

Keywords

acoustics
aerosol
chamber
particle
trap

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10.1080/02726351.2010.510167

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abstract = "We investigate analytically and numerically trapping of submicron aerosol particles in a three-dimensional quadrupole acoustic chamber having hyperbolical configuration. The particle trajectories are described by the Langevin equation accounting for particle random Brownian motion. The particle trapping efficiency is investigated for a range of acoustic field parameters and particle properties. It is shown that submicron diffusive particles can be trapped in a small region near the chamber center. The effect of Brownian motion is to broaden the trapping region. The dimensions of the trapping region can be reduced by increasing the acoustic strength parameter.",

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AB - We investigate analytically and numerically trapping of submicron aerosol particles in a three-dimensional quadrupole acoustic chamber having hyperbolical configuration. The particle trajectories are described by the Langevin equation accounting for particle random Brownian motion. The particle trapping efficiency is investigated for a range of acoustic field parameters and particle properties. It is shown that submicron diffusive particles can be trapped in a small region near the chamber center. The effect of Brownian motion is to broaden the trapping region. The dimensions of the trapping region can be reduced by increasing the acoustic strength parameter.

KW - acoustics

KW - aerosol

KW - chamber

KW - particle

KW - trap

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DO - 10.1080/02726351.2010.510167

M3 - 文章

AN - SCOPUS:80052315867

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JO - Particulate Science and Technology

JF - Particulate Science and Technology

IS - 5

ER -

Trap of a submicron particle in a quadrupole acoustic chamber

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Keywords

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