Temperature measurements of shock-compressed deuterium

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Description

The authors measured the temperatures of single and double-shocked D{sub 2} and H{sub 2} up to 85 GPa (0.85 Mbar) and 5,200 K. While single shock temperatures, at pressures to 23 GPa, agree well with previous models, the double shock temperatures are as much as 40% lower than predicted. This is believed to be caused by molecular dissociation, and a new model of the hydrogen EOS at extreme conditions has been developed which correctly predicts their observations. These data and model have important implications for programs which use condensed-phase hydrogen in implosion systems.

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5 p.

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Holmes, N.C.; Ross, M. & Nellis, W.J. November 1, 1994.

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Description

The authors measured the temperatures of single and double-shocked D{sub 2} and H{sub 2} up to 85 GPa (0.85 Mbar) and 5,200 K. While single shock temperatures, at pressures to 23 GPa, agree well with previous models, the double shock temperatures are as much as 40% lower than predicted. This is believed to be caused by molecular dissociation, and a new model of the hydrogen EOS at extreme conditions has been developed which correctly predicts their observations. These data and model have important implications for programs which use condensed-phase hydrogen in implosion systems.

Physical Description

5 p.

Notes

INIS; OSTI as DE95015421

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  • Other Information: PBD: Nov 1994

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  • Other: DE95015421
  • Report No.: UCRL-ID--119107
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/90225 | External Link
  • Office of Scientific & Technical Information Report Number: 90225
  • Archival Resource Key: ark:/67531/metadc792043

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  • November 1, 1994

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  • Dec. 19, 2015, 7:14 p.m.

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  • Feb. 17, 2016, 7:14 p.m.

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Holmes, N.C.; Ross, M. & Nellis, W.J. Temperature measurements of shock-compressed deuterium, report, November 1, 1994; California. (digital.library.unt.edu/ark:/67531/metadc792043/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.