NDLI: Computer simulations of the magnetically insulated transmission lines and post-hole convolute of ZR

Content Provider	IEEE Xplore Digital Library
Author	Pointon, T. D. Langston, W. L. Savage, M. E.
Copyright Year	2007
Description	Author affiliation: Sandia National Laboratories, PO Box 5800, Mail Stop 1152 Albuquerque, NM 87185 USA (Pointon, T. D.; Langston, W. L.; Savage, M. E.)
Abstract	An important consideration for the success of the ZR project, refurbishing the Z accelerator at Sandia National Laboratories, is limiting current loss in the vacuum section, ideally to no worse than the 5 – 10% seen on Z. The primary source for this loss is electrons flowing into the post-hole convolute from the four magnetically insulated transmission lines (MITLs). The MITLs on ZR have larger gaps to reduce the electron flow to values comparable to Z when operating at ∼40% higher voltage and ∼30% higher current. Electron flow in the vacuum section is analyzed with electromagnetic, particle-in-cell simulations, using two complementary simulation setups. First, the exact MITL profiles are modeled with high-resolution 2-D simulations out to large radius (typically r = 60 cm), providing accurate values for the electron flow into the convolute. Second, the convolute is modeled in 3-D, but with MITLs extending out only to r ∼ 30 cm. The 3-D MITL geometry is modified to provide the same electron flow into the convolute as the 2-D simulations. The 3-D simulations have detailed diagnostics for current loss and surface deposition heating in the convolute.
Starting Page	165
Ending Page	170
File Size	626473
Page Count	6
File Format	PDF
ISBN	9781424409136
DOI	10.1109/PPPS.2007.4651814
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-06-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Load modeling Anodes Cathodes Solid modeling Integrated circuit modeling Computational modeling Geometry
Content Type	Text
Resource Type	Article

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Computer simulations of the magnetically insulated transmission lines and post-hole convolute of ZR.

Particle-in-cell simulations of the magnetically insulated transmission lines and post-hole convolute of ZR.

Particle-in-cell Simulations of the Magnetically Insulated Transmission lines and post-hole convolute of ZR.

Numerical simulations of a post-hole convolute driven by high power magnetically insulated transmission lines: Analysis of current loss in steady-state and time-dependent operating modes

Particle-in-Cell Simulations of the Magnetically Insulated Transmission Lines and Post-Hole Convolute of ZR

Circuit modeling for PTS's magnetically insulated transmission lines

Numerical simulations of a post-hole convolute driven by high power magnetically insulated transmission lines: Analysis of current loss in steady-state and time-dependent operating modes

2-D PIC Simulations of Electron Flow in the Magnetically Insulated Transmission Lines of Z and ZR

The flow dynamics along non-uniform self magnetically insulated transmission lines

Computer simulations of the magnetically insulated transmission lines and post-hole convolute of ZR

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Computer simulations of the magnetically insulated transmission lines and post-hole convolute of ZR.

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