NDLI: Numerical modelling of electrode plasma generation

Content Provider	IEEE Xplore Digital Library
Author	Ng, W.L. Tutty, O.R. McBride, J.W.
Copyright Year	2000
Description	Author affiliation: Sch. of Eng. Sci., Southampton Univ., UK (Ng, W.L.)
Abstract	Summary form only given. Arc erosion due to material transfer in the plasma developed between low voltage switching devices during opening and closure is one of the major mechanisms leading to contact failure. Electrical contact failure can have relatively catastrophic consequences. This work is primarily concerned with the arc phenomena associated with low voltage switching devices during the breaking of two current carrying electrical contacts. It is assumed that the electrode plasma is initiated by the application of electric potential between electrodes which gives rise to a strong electric field which draws electrons from the cathode. This then generates a non-linear responses in the gas, involving fluid and reactive effects. A numerical solution to the Navier-Stokes equations in a multi-species, nonequilibrium reacting, viscous nitrogen plasma flow under the electrical arcing condition is presented here. Here, a convection-diffusion-ionization operator splitting scheme is adopted. The Navier-Stokes equations are divided into separate partial differential equations that describe respectively the convective, diffusive, chemical and electromagnetic effects separately. A further geometric operator splitting is applied, in which the various part of the equations are reduced to a sequence of one-dimensional problems along grid lines which are relatively easy to solve conceptually. This has the advantage of maintaining sharp resolution of discontinuities and monotonicity in the solutions.
File Size	95420
File Format	PDF
ISBN	0780359828
ISSN	07309244
DOI	10.1109/PLASMA.2000.854863
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	Numerical models Electrodes Plasma devices Contacts Navier-Stokes equations Plasma materials processing Low voltage Plasma applications Electric potential Electrons
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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