Investigation on the electrical discharge characteristics of a unipolar corona-wire aerosol charger

In the present study, a simple corona-wire charger for unipolar diffusion charging of aerosol particles is designed, constructed, and characterized. Experimental characterizations of the electrostatic discharge in terms of current-voltage relationships of positive and negative coronas of the corona-...

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Main Authors: Panich Intra, Artit Yawootti, Usanee Vinitketkumnuen, Nakorn Tippayawong
Format: Journal
Published: 2018
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Online Access:https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=79960787705&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/49964
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-499642018-09-04T04:21:02Z Investigation on the electrical discharge characteristics of a unipolar corona-wire aerosol charger Panich Intra Artit Yawootti Usanee Vinitketkumnuen Nakorn Tippayawong Engineering In the present study, a simple corona-wire charger for unipolar diffusion charging of aerosol particles is designed, constructed, and characterized. Experimental characterizations of the electrostatic discharge in terms of current-voltage relationships of positive and negative coronas of the corona-wire charger are also presented and discussed. The charging current and ion concentration in the charging zone increased monotonically with corona voltage. The negative corona showed higher current than the positive corona. At the same corona voltages, the current in the discharge zone is about 600 times larger than the charging current. The ion number concentrations ranged within approximately 5.0 × 10 10 to 1.24 × 10 16 and 4.5 × 10 12 to 2 × 10 16 ions/m 3 in the discharge and charging zones, respectively. A numerical model is used to predict the behavior of the electric potential lines. Numerical results of ion penetration through the inner electrode are in good agreement with the experimental results. 2018-09-04T04:21:02Z 2018-09-04T04:21:02Z 2011-07-01 Journal 19750102 2-s2.0-79960787705 10.5370/JEET.2011.6.4.556 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=79960787705&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/49964
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
topic Engineering
spellingShingle Engineering
Panich Intra
Artit Yawootti
Usanee Vinitketkumnuen
Nakorn Tippayawong
Investigation on the electrical discharge characteristics of a unipolar corona-wire aerosol charger
description In the present study, a simple corona-wire charger for unipolar diffusion charging of aerosol particles is designed, constructed, and characterized. Experimental characterizations of the electrostatic discharge in terms of current-voltage relationships of positive and negative coronas of the corona-wire charger are also presented and discussed. The charging current and ion concentration in the charging zone increased monotonically with corona voltage. The negative corona showed higher current than the positive corona. At the same corona voltages, the current in the discharge zone is about 600 times larger than the charging current. The ion number concentrations ranged within approximately 5.0 × 10 10 to 1.24 × 10 16 and 4.5 × 10 12 to 2 × 10 16 ions/m 3 in the discharge and charging zones, respectively. A numerical model is used to predict the behavior of the electric potential lines. Numerical results of ion penetration through the inner electrode are in good agreement with the experimental results.
format Journal
author Panich Intra
Artit Yawootti
Usanee Vinitketkumnuen
Nakorn Tippayawong
author_facet Panich Intra
Artit Yawootti
Usanee Vinitketkumnuen
Nakorn Tippayawong
author_sort Panich Intra
title Investigation on the electrical discharge characteristics of a unipolar corona-wire aerosol charger
title_short Investigation on the electrical discharge characteristics of a unipolar corona-wire aerosol charger
title_full Investigation on the electrical discharge characteristics of a unipolar corona-wire aerosol charger
title_fullStr Investigation on the electrical discharge characteristics of a unipolar corona-wire aerosol charger
title_full_unstemmed Investigation on the electrical discharge characteristics of a unipolar corona-wire aerosol charger
title_sort investigation on the electrical discharge characteristics of a unipolar corona-wire aerosol charger
publishDate 2018
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=79960787705&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/49964
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