Measurement of fast risetime megampere currents by quartz gauge

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Quartz gauges have been used on the Sandia National Laboratories Proto II accelerator to measure current in the magnetically insulated transmission line at the 11 TW power level. The accelerator delivers 3.5 MA at 2 x 10/sup 14/ A/s in a 40 ns pulse to a 0.0127 m diameter aluminum liner to produce a high density plasma. At this radius and dI/dt levels, the B-dot monitors no longer function for the measurement of load current because the monitor suffers electrical breakdown. Quartz pressure gauges mounted at a radius of 0.0086 m have successfully measured the magnetic pressure due to the ... continued below

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Pages: 4

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Williams, R. R.; McDaniel, D. H. & Stinnett, R. W. January 1, 1980.

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Description

Quartz gauges have been used on the Sandia National Laboratories Proto II accelerator to measure current in the magnetically insulated transmission line at the 11 TW power level. The accelerator delivers 3.5 MA at 2 x 10/sup 14/ A/s in a 40 ns pulse to a 0.0127 m diameter aluminum liner to produce a high density plasma. At this radius and dI/dt levels, the B-dot monitors no longer function for the measurement of load current because the monitor suffers electrical breakdown. Quartz pressure gauges mounted at a radius of 0.0086 m have successfully measured the magnetic pressure due to the load current with nanosecond temporal resolution.

Physical Description

Pages: 4

Notes

NTIS, PC A02/MF A01.

Source

  • 14. pulse power modulator symposium, Orlando, FL, USA, 3 Jun 1980

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  • Report No.: SAND-80-0460C
  • Report No.: CONF-800640-6
  • Grant Number: AC04-76DP00789
  • Office of Scientific & Technical Information Report Number: 5278679
  • Archival Resource Key: ark:/67531/metadc1074481

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • January 1, 1980

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

Description Last Updated

  • May 18, 2018, 1:31 p.m.

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Williams, R. R.; McDaniel, D. H. & Stinnett, R. W. Measurement of fast risetime megampere currents by quartz gauge, article, January 1, 1980; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc1074481/: accessed August 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.