NDLI: Modeling of the discharge plasma in a back lighted thyratron during the conduction phase

Content Provider	IEEE Xplore Digital Library
Author	Bauer, H. Kirkman, G. Gundersen, M.A.
Copyright Year	1989
Description	Author affiliation: University of Southern California (Bauer, H.)
Abstract	Temperature, energy, and densities of two electron components, i.e., isoptropic "bulk" and anisotropic beam electrons, are evaluated for a Back Lighted Thyratron (BLT) hydrogen switch plasma. Measured plasma parameters are peak electron density of 1-3I0/sup15/ cm/sup 3/ and peak current density of 10/sup 4/ A/cm/sup 2/. Estimates of a very small cathode fall width during the conduction phase and high electric field strengths lead to injection of an electron beam with energies /spl ges/100 eV and density of 10/sup 13/-10/sup 14/ cm/sup -3/ into a Maxwellian "bulk" plasma. Collisional and radiative processes of monoenergetic beam electrons, "bulk" plasma electrons and ions, and atomic hydrogen are modeled by a set of rate equations and line intensity ratios are compared with measurements. For an initial density n/sub H2/=10/sup 16/ cm/sup -3/ the evaluated "bulk" plasma parameters are electron density of 1-3I0/sup 15/ cm/sup -3/ and electron temperature of 0.8-1 eV.
Starting Page	495
Ending Page	498
File Size	316020
Page Count	4
File Format	PDF
DOI	10.1109/PPC.1989.767532
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1989-06-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Thyratrons Plasma measurements Plasma density Plasma temperature Cathodes Electron beams Plasma sheaths Switches Current density Density measurement
Content Type	Text
Resource Type	Article

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