NDLI: Particle Charging in Combined Corona-Electrostatic Fields

Content Provider	IEEE Xplore Digital Library
Author	Dumitran, L.M. Blejan, O. Notingher, P.V. Samuila, A. Dascalescu, L.
Copyright Year	1972
Abstract	The association of several ionizing and nonionizing electrodes generates combined corona-electrostatic fields, characterized by space charge zones of well-defined extensions. In a previous paper, the authors presented an effective numerical method for the computation of such fields. The aim of this present work is to show how these results can be employed for estimating the charge acquired by insulating and conducting particles when passing through the space charge zones generated by various corona-electrostatic electrode geometries. The study is done under several assumptions that authorize the use of Pauthenier's formula. Diffusion charging can be neglected, the applied electric field is quasi-uniform in the vicinity of particles, and particle speed is low compared with that of air ions. The charging model takes into account the computed spatial distribution of the electric field and charge density. The computations were performed for various values of the geometrical parameters of the electrode system and of the particle transit time through the corona discharge zone. The results can be used for the design of the electrode system of any electrostatic process employing corona discharge fields.
Sponsorship	IEEE Industry Applications Society
Starting Page	1385
Ending Page	1390
Page Count	6
File Size	757178
File Format	PDF
ISSN	00939994
Volume Number	44
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Particle charging Electrodes Corona Laboratories Space charge Electrostatic processes Industry Applications Society Finite element methods Character generation Insulation particle charging Computational electrostatics corona discharge
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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