The "Z" Pulsed Radiation Source: Recent Developments in Equation of State Measurement Capabilities

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The Sandia Z machine is a source of intense radiation which can be used to drive ablative shocks for equation of state studies. In developing the capability to diagnose these types of studies on Z, techniques commonly used in conventional impact generated experiments were leveraged. The primary diagnostic transferred was velocity interferome~, VLSAR, [1] which not only provides Hugoniot particle velocity measurements, but also indications of shock stability and wave attenuation. In addition to a VISAR capability on the Z machine, methods for measuring shock velocity have been developed. When these measured parameters are used in conjunction with the Rankine-Hugoniot ... continued below

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Asay, J.R.; Chandler, G.; Clark, B.; Fleming, K.; Hall, C.A.; Holland, K. et al. October 13, 1998.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Laboratories, Albuquerque, NM, and Livermore, CA
    Place of Publication: Albuquerque, New Mexico

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Description

The Sandia Z machine is a source of intense radiation which can be used to drive ablative shocks for equation of state studies. In developing the capability to diagnose these types of studies on Z, techniques commonly used in conventional impact generated experiments were leveraged. The primary diagnostic transferred was velocity interferome~, VLSAR, [1] which not only provides Hugoniot particle velocity measurements, but also indications of shock stability and wave attenuation. In addition to a VISAR capability on the Z machine, methods for measuring shock velocity have been developed. When these measured parameters are used in conjunction with the Rankine-Hugoniot jump conditions, [2] material response at high temperatures and pressures can be inferred. With sample sizes used on Z being much smaller than those fielded in typical impact experiments, temporal resolution and methods of interfacing the diagnostics with the targets had to be improved. In this paper, a "standard" equation of state experiment, associated diagnostics, and some recent results in aluminum and beryllium will be discussed.

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  • 49th Aeroballistic Range Association Meeting; Scheveningen, The Netherlands; 10/05-09/1998

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  • Other: DE00001065
  • Report No.: SAND98-2293C
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 1065
  • Archival Resource Key: ark:/67531/metadc625638

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  • October 13, 1998

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  • June 16, 2015, 7:43 a.m.

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  • Dec. 8, 2016, 2:04 p.m.

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Asay, J.R.; Chandler, G.; Clark, B.; Fleming, K.; Hall, C.A.; Holland, K. et al. The "Z" Pulsed Radiation Source: Recent Developments in Equation of State Measurement Capabilities, article, October 13, 1998; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc625638/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.