Modeling of wire corona electrode operation in electrostatic separation at small and large gaps

The aim of this paper is the modeling of wire corona electrode operation at non-standard inter-electrode discharge gaps ( s ⩽ 25 mm and s ⩾ 75 mm ), with the view of establishing if sufficient values of current density can be attained to produce effective separation effects. Two groups of experiment...

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Bibliographic Details
Published in:Journal of electrostatics 2005-06, Vol.63 (6), p.955-960
Main Authors: Samuila, Adrian, Blajan, Marius, Beleca, Radu, Huzau, Mihai, Morar, Roman, Dascalescu, Lucian, Iuga, Alexandru
Format: Article
Language:English
Subjects:
Corona charging
Current–voltage characteristics
Discharge gap
Wire corona electrode
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Summary:The aim of this paper is the modeling of wire corona electrode operation at non-standard inter-electrode discharge gaps ( s ⩽ 25 mm and s ⩾ 75 mm ), with the view of establishing if sufficient values of current density can be attained to produce effective separation effects. Two groups of experiments were done with a wire-type corona electrode, in order to measure the current–voltage characteristics and the distribution of corona current density at the surface of a plate electrode. A model of non-conducting particles charging process allows determining the corona current linear density, assuring adequate “pinning” effect at smaller or larger gaps.
ISSN:0304-3886
1873-5738
DOI:10.1016/j.elstat.2005.03.068