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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Campbell, R.B. Gomez, M.R. Davis, J.-P. Rose, D.V. |
| Copyright Year | 2013 |
| Description | Author affiliation: Voss Sci., Albuquerque, NM, USA (Rose, D.V.) || Pulsed Power Sci. Center, Sandia Nat. Labs., Albuquerque, NM, USA (Campbell, R.B.; Gomez, M.R.; Davis, J.-P.) |
| Abstract | Sandia's Z machine (D.H. McDaniel, 2002) is a large pulsed-power accelerator used to create extreme conditions of high energy density. Research areas of Z include dynamic properties of materials, radiation and electromagnetic effects on materials and systems, and inertial confinement fusion. In its current embodiment, four magnetically-insulated radial transmission lines (MITLs) are combined at a double post-hole convolute (PHC). Current loss in the convolute can be quite large (20% of peak load current) for certain pulse shapes and physics loads, thus there is need for a simple physics-based semi-empirical model of this current loss in order to accurately predict load-current waveforms using a transmission-line We shall describe the physics contained in the simplified models, show some preliminary results, and discuss how we try to incorporate experimental observations and PIC simulations in our model. We will also describe the inherent uncertainty in the electrode conditions, and how that affects the model results. Based on the model and its integration with BERTHA, recommendations for reducing the current loss will be offered. |
| Starting Page | 1 |
| Ending Page | 6 |
| File Size | 880172 |
| Page Count | 6 |
| File Format | |
| ISSN | 21584915 |
| e-ISBN | 9781467351683 |
| DOI | 10.1109/PPC.2013.6627677 |
| 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 | Plasmas Cathodes Load modeling Predictive models Shape Impedance Anodes plasma sources pulsed power system |
| Content Type | Text |
| Resource Type | Article |
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