Tungsten Z-Pinch Long Implosions on the Saturn Generator

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Description

Recent success on the Saturn and Z accelerators at Sandia National Laboratories have demonstrated the ability to scale z-pinch parameters to increasingly larger current pulsed power facilities. Next generation machines will require even larger currents (>20 MA), placing further demands on pulsed power technology. To this end, experiments have been carried out on Saturn operating in a long pulse mode, investigating the potential of lower voltages and longer implosion times while still maintaining pinch fidelity. High wire number, 25 mm diameter tungsten arrays were imploded with implosion times ranging from 130 to 240 ns. The results were comparable to those ... continued below

Physical Description

50 p.

Creation Information

DOUGLAS,MELISSA R.; DEENEY,CHRISTOPHER; SPIELMAN,RICK B.; COVERDALE,CHRISTINE A.; RODERICK,N.F. & HAINES,M.G. November 5, 1999.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 37 times , with 5 in the last month . More information about this article can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

Recent success on the Saturn and Z accelerators at Sandia National Laboratories have demonstrated the ability to scale z-pinch parameters to increasingly larger current pulsed power facilities. Next generation machines will require even larger currents (>20 MA), placing further demands on pulsed power technology. To this end, experiments have been carried out on Saturn operating in a long pulse mode, investigating the potential of lower voltages and longer implosion times while still maintaining pinch fidelity. High wire number, 25 mm diameter tungsten arrays were imploded with implosion times ranging from 130 to 240 ns. The results were comparable to those observed in the Saturn short pulse mode, with risetimes on the order of 4.5 to 6.5 ns. Experimental data will be presented, along with two dimensional radiation magnetohydrodynamic simulations used to explain and reproduce the experiment.

Physical Description

50 p.

Notes

INIS; OSTI as DE00014825

Medium: P; Size: 50 pages

Source

  • Journal Name: Physics of Plasmas; Other Information: Submitted to Physics of Plasmas

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  • Report No.: SAND99-2847J
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 14825
  • Archival Resource Key: ark:/67531/metadc619044

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  • November 5, 1999

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 13, 2017, 12:09 p.m.

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DOUGLAS,MELISSA R.; DEENEY,CHRISTOPHER; SPIELMAN,RICK B.; COVERDALE,CHRISTINE A.; RODERICK,N.F. & HAINES,M.G. Tungsten Z-Pinch Long Implosions on the Saturn Generator, article, November 5, 1999; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc619044/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.