Modeling and Analysis of the Ranchero Coaxial Explosive Pulse Power Generator System

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A key element in the design of a coaxial generator system is the simplicity of the geometry. The clean cylindrical geometry allows us a reasonable chance at modeling RANCHERO performance using our 1D and 2D MHD modeling codes. The results of numerical simulations have been compare to several tests of the RANCHERO system in a variety of configurations. Recent comparisons of 1D calculations with the REOT-2 data have been extremely good and suggest that the generator is behaving in a very 1D like nature until reaching 90-95% of peak current. Differences between calculated current and measured performance during the last ... continued below

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Atchison, W.L.; Goforth, J.H.; Lindemuth, I.R. & Reinovsky, R.E. June 28, 1999.

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Description

A key element in the design of a coaxial generator system is the simplicity of the geometry. The clean cylindrical geometry allows us a reasonable chance at modeling RANCHERO performance using our 1D and 2D MHD modeling codes. The results of numerical simulations have been compare to several tests of the RANCHERO system in a variety of configurations. Recent comparisons of 1D calculations with the REOT-2 data have been extremely good and suggest that the generator is behaving in a very 1D like nature until reaching 90-95% of peak current. Differences between calculated current and measured performance during the last 3 mm (out of 70 mm) of flux compression may be a consequence of either the EOS for SF{sub 6}, 2D effects, or both. This study will examine the existing models and attempt to provide a robust integrated model which can then be used to drive design studies, pre- and post-shot analysis, and predict performance parameters for slight variations of the base design of RANCHE RO.

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INIS; OSTI as DE00761017

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  • 12th IEEE International Pulsed Power Conference, Monterey, CA (US), 06/28/1999--06/30/1999

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  • Report No.: LA-UR-99-3380
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 761017
  • Archival Resource Key: ark:/67531/metadc721085

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  • June 28, 1999

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  • Sept. 29, 2015, 5:31 a.m.

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  • May 6, 2016, 1:39 p.m.

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Atchison, W.L.; Goforth, J.H.; Lindemuth, I.R. & Reinovsky, R.E. Modeling and Analysis of the Ranchero Coaxial Explosive Pulse Power Generator System, article, June 28, 1999; New Mexico. (digital.library.unt.edu/ark:/67531/metadc721085/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.