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DOI 10.1063/1.1854215
Title Gliding arc in tornado using a reverse vortex flow
Creator/Author Kalra, Chiranjeev S. ; Cho, Young I. ; Gutsol, Alexander ; Fridman, Alexander ; Rufael, Tecle S. [Department of Mechanical Engineering and Mechanics, Drexel Plasma Institute, Drexel University, Philadelphia, Pennsylvania 19104 (United States) ; ChevronTexaco Energy Research and Technology Company, Houston, Texas 77042 (United States)]
Publication Date2005 Feb 01
OSTI IdentifierOSTI ID: 20644109
Other Number(s)Journal ID: ISSN 0034-6748; RSINAK; TRN: US05A7079085119
Resource TypeJournal Article
Resource RelationJournal: Review of Scientific Instruments; Journal Volume: 76; Journal Issue: 2; Other Information: DOI: 10.1063/1.1854215; (c) 2005 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
Subject70 PLASMA PHYSICS AND FUSION TECHNOLOGY; CARBON DIOXIDE; CARBON MONOXIDE; FUEL SYSTEMS; HYDROGEN SULFIDES; PLASMA ARC SPRAYING; SURFACE TREATMENTS; THERMAL INSULATION; TORNADOES; VORTEX FLOW; VORTICES; WASTE PROCESSING
Description/Abstract The present article reports a new gliding arc (GA) system using a reverse vortex flow ('tornado') in a cylindrical reactor (gliding arc in tornado, or GAT), as used to preserve the main advantages of traditional GA systems and overcome their main drawbacks. The primary advantages of traditional GA systems retained in the present GAT are the possibility to generate transitional plasma and to avoid considerable electrode erosion. In contrast to a traditional GA, the new GAT system ensures much more uniform gas treatment and has a significantly larger gas residence time in the reactor. The present article also describes the design of the new reactor and its stable operation regime when the variation of GAT current is very small. These features are understood to be very important for most viable applications. Additionally the GAT provides near-perfect thermal insulation from the reactor wall, indicating that the present GAT does not require the reactor wall to be constructed of high-temperature materials. The new GAT system, with its unique properties such as a high level of nonequilibrium and a large residence time, looks very promising for many industrial applications including fuel conversion, carbon dioxide conversion to carbon monoxide and oxygen, surface treatment, waste treatment, flame stabilization, hydrogen sulfide treatment, etc.
Country of PublicationUnited States
LanguageEnglish
FormatSize: page(s) 025110-025110.7
System Entry Date2006 Feb 16

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