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http://dx.doi.org/10.5370/KIEE.2013.62.7.980

Numerical Study on the Discharge Characteristics of Cylindrical Discharge Devices  

Seo, Jeong-Hyun (Dept. of electronics engineering, Incheon national university)
Shin, Bhum-Jae (Dept. of electronics engineering, Sejong university)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.62, no.7, 2013 , pp. 980-986 More about this Journal
Abstract
In this paper, the discharge characteristics of ac-type cylindrical discharge devices with diameters (D) in the $50{\sim}400{\mu}m$ range have been investigated numerically. The cylindrical devices have much lower breakdown voltages compared to the coplanar electrode structures. The breakdown voltage of the cylindrical structures increases with the decrease of diameters in $50{\sim}100{\mu}m$ range. In $100{\sim}200{\mu}m$ range, however, the breakdown voltage decreases slightly with the decrease of diameters. Also, as the diameter gets smaller, the electron heating efficiency is greatly improved.
Keywords
Cylindrical structure; Hollow cathode; Firing voltage; Luminance; Luminous efficacy;
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