NDLI: Enhanced corona discharge: I-V characterization and ion density measurements

Content Provider	IEEE Xplore Digital Library
Author	Kang, W.L. Alexeff, I.
Copyright Year	2000
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Tennessee Univ., Knoxville, TN, USA (Kang, W.L.)
Abstract	Summary form only given, as follows. Attachment of electrons to the oxygen molecules can be a problem for corona discharge at atmospheric pressure in air. We have found a way to enhance the discharge by reducing or avoiding the attachment. The enhancement is achieved by replacing the air around the limited corona points with non-electronegative gases such as argon, helium, and nitrogen as shown in the figure below. The configuration of such electrode is made of a line of pins fastened to a brass pipe at one end and protrudes from the other end through tiny holes. The feed gas escapes through the holes and provides a local atmosphere around the corona points. By proper biasing a pair of such electrodes separated by a distance, we are able to produce both positive and negative ions that migrate into the bulk plasma to overcome the previous density limitation that occurred because of space charge in a single species corona discharge. We will present the I-V characteristics, the local ion density measurement and the spatial ion density profile of our enhanced corona discharge apparatus. Ozone detection will also be discussed.
File Size	81083
File Format	PDF
ISBN	0780359828
ISSN	07309244
DOI	10.1109/PLASMA.2000.854823
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-06-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Corona Electrodes Electrons Gases Argon Helium Nitrogen Pins Feeds Atmosphere
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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