NDLI: Fully kinetic particle-in-cell simulations of triggered three-electrode gas switches

Content Provider	IEEE Xplore Digital Library
Author	Thoma, C. Welch, D.R. Rose, D.V. Zimmerman, W.R. Clark, R.E. Schwarz, J. Rambo, P. Savage, M.E. Woodworth, J.R.
Copyright Year	2013
Description	Author affiliation: Voss Sci. LLC, Albuquerque, NM, USA (Thoma, C.; Welch, D.R.; Rose, D.V.; Zimmerman, W.R.; Clark, R.E.) \|\| Sandia Nat. Lab., Albuquerque, NM, USA (Schwarz, J.; Rambo, P.; Savage, M.E.; Woodworth, J.R.)
Abstract	Summary form only given. We present the results of 2D and 3D Fully kinetic electromagnetic particle-in-cell Monte-Carlo (PICMC) simulations of triggered three-electrode gas switches using dry air as a gas (at pressures greater than 1 AT M). In such switches the AK gap voltage is set slightly below the breakdown threshold. A voltage pulse applied to a trigger needle placed in the AK gap allows breakdown to occur between, first, the trigger and anode, followed by the trigger and cathode. We demonstrate that a fully kinetic PICMC approach can be used to follow the entire evolution of the switch, from the initial avalanche and streamer formation up to the fully conducting phase. We utilize an 18-species air chemistry model which is shown to agree with swarm parameters (breakdown threshold, drift velocity) obtained by experiment. Photon transport and photoionization are also included to permit the modeling of cathode directed streamers. This computational model will be used to help design closing switches for pulsed-power systems.
Starting Page	1
Ending Page	1
File Size	93368
Page Count	1
File Format	PDF
ISBN	9781467351713
ISSN	07309244
DOI	10.1109/PLASMA.2013.6634963
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Atmospheric modeling Kinetic theory Electric breakdown Computational modeling Laboratories Breakdown voltage Cathodes
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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