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Title: Plasma stability control using dielectric barriers in radio-frequency atmospheric pressure glow discharges
Authors: Shi, J.J.
Liu, D.W.
Kong, Michael G.
Keywords: Plasma instability
Plasma boundary layers
Glow discharges
High-frequency discharges
Plasma sheaths
Plasma transport processes
Issue Date: 2006
Publisher: © American Institute of Physics
Citation: SHI, J. J., LIU, D. W. and KONG, M.G., 2006. Plasma stability control using dielectric barriers in radio-frequency atmospheric pressure glow discharges. Applied Physics Letters, 89 (8), article 081502, pp.1-3.
Abstract: It is widely accepted that electrode insulation is unnecessary for generating radio-frequency (rf) atmospheric pressure glow discharges (APGDs). It is also known that rf APGDs with large discharge current are susceptible to the glow-to-arc transition. In this letter, a computational study is presented to demonstrate that dielectric barriers provide an effective control over unlimited current growth and allow rf APGDs to be operated at very high current densities with little danger of the glow-to-arc transition. Characteristics of electrode sheaths are used to show that the stability control is achieved by forcing the plasma-containing electrode unit to acquire positive differential conductivity.
Description: Copyright 2006 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the authors and the American Institute of Physics. This article appeared in the journal, Applied Physics Letters, and may be found at: http://link.aip.org/link/?APPLAB/89/081502/1
Version: Published
DOI: 10.1063/1.2338647
URI: https://dspace.lboro.ac.uk/2134/5215
ISSN: 0003-6951
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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