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Corona Discharge and Ozone Generation Characteristics of a Slit Dielectric Barrier Discharge Type Plasma Reactor with a Third Electrode  

Moon, Jae-Duk (경북대 전자전기컴퓨터학부)
Jung, Jae-Seung (경북대 대학원 전기공학과)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.56, no.3, 2007 , pp. 583-587 More about this Journal
Abstract
Corona discharge and ozone generation characteristics of a slit dielectric barrier discharge type wire-plate plasma reactor with a third electrode have been investigated. When a third electrode is installed on a slit of the slit barrier, where an intense corona discharge occurs, it is found that a significantly increased ozone output could be obtained. This, however, indicates that the third electrode can activate the corona discharges both of the discharge wire and the slit of the slit barrier in the plasma reactor. As a result, a thin stainless wire, used as the third electrode has a strong effect to influence the corona discharge of the slit and corona wire, especially to the negative corona discharge. Higher amounts of the output ozone and ozone yield, about 1.27 and 1.29 times for the negative corona discharge, can be obtained with the third electrode, which reveals the effectiveness of the third electrode.
Keywords
Slit dielectric barrier; Wire-plate; Third electrode; Corona discharge; Ozone generation;
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