NDLI: Basic Characteristics of Gliding-Arc Discharges in Air and Natural Gas

Content Provider	IEEE Xplore Digital Library
Author	Sagas, J.C. Neto, A.H. Filho, A.C.P. Maciel, H.S. Lacava, P.T.
Copyright Year	1973
Abstract	Gliding-arc discharges have been utilized in plasma-assisted combustion processes, among various other applications, due to their properties of high electron density and chemical selectivity in a transitional regime. However, basic characteristics relative to the relations between the fundamental parameters of discharge, like mass flow rate, breakdown voltage, and frequency of repetition (number of discharge breakdowns per half cycle), have not been completely studied. In this paper, an ac-powered gliding-arc discharge having a reverse vortex flow configuration is built to carry on a basic investigation on discharges in air, natural gas, and mixture of both. Electrical measurements, optical emission spectroscopy, and mass spectrometry are the techniques used for these investigations. The results presented in this paper describe the dependence of the breakdown voltage, frequency of discharges, and conversion rates of methane and molecular oxygen with respect to the variation of the mass flow rate (directly related to the residence time) and discharge current.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	775
Ending Page	780
Page Count	6
File Size	420998
File Format	PDF
ISSN	00933813
Volume Number	39
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Discharges Plasmas Electrodes Combustion Inductors Chemicals Natural gas plasma-assisted combustion Gliding arc gliding arc in air and natural gas (NG)
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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