Three-dimensional flow and turbulence structure in electrostatic precipitator by stereo PIV

Three-dimensional flow and turbulence structure in electrostatic precipitator by stereo PIV Stereo PIV was employed to study the three-dimensional velocity and turbulence fields in a laboratory model of a negative corona, barbed-wire, smooth-plate electrostatic precipitator. The calculated electric drift velocity of charged seeding particles is subtracted from the measured particle velocity to obtain the gas velocity. Results show how the strength of the secondary flow (in the form of longitudinal rolls) and the level of turbulence (as well as its degree of anisotropy) increase with increasing axial position, increasing current density, and decreasing bulk velocity. Both of these features of the gas flow are crucial to the performance of precipitators. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

Three-dimensional flow and turbulence structure in electrostatic precipitator by stereo PIV

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Publisher
Springer-Verlag
Copyright
Copyright © 2004 by Springer-Verlag
Subject
Engineering
ISSN
0723-4864
eISSN
1432-1114
D.O.I.
10.1007/s00348-003-0649-2
Publisher site
See Article on Publisher Site

Abstract

Stereo PIV was employed to study the three-dimensional velocity and turbulence fields in a laboratory model of a negative corona, barbed-wire, smooth-plate electrostatic precipitator. The calculated electric drift velocity of charged seeding particles is subtracted from the measured particle velocity to obtain the gas velocity. Results show how the strength of the secondary flow (in the form of longitudinal rolls) and the level of turbulence (as well as its degree of anisotropy) increase with increasing axial position, increasing current density, and decreasing bulk velocity. Both of these features of the gas flow are crucial to the performance of precipitators.

Journal

Experiments in FluidsSpringer Journals

Published: Jun 27, 2003

References

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