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Molecular dissociation and shock-induced cooling in fluid nitrogen at high densities and temperaturesRadiative temperatures and electrical conductivities were measured for fluid nitrogen compressed dynamically to pressures of 18-90 GPa, temperatures of 4000-14,000 K, and densities of 2-3 g/cu cm. The data show a continuous phase transition above 30 GPa shock pressure and confirm that (delta-P/delta-T)v is less than 0, as indicated previously by Hugoniot equation-of-state experiments. The first observation of shock-induced cooling is also reported. The data are interpreted in terms of molecular dissociation, and the concentration of dissociated molecules is calculated as a function of density and temperature.
Document ID
19870035640
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Radousky, H. B.
(California Univ. Livermore, CA, United States)
Nellis, W. J.
(California Univ. Livermore, CA, United States)
Ross, M.
(California Univ. Livermore, CA, United States)
Hamilton, D. C.
(California Univ. Livermore, CA, United States)
Mitchell, A. C.
(California, University Livermore, United States)
Date Acquired
August 13, 2013
Publication Date
November 10, 1986
Publication Information
Publication: Physical Review Letters
Volume: 57
ISSN: 0031-9007
Subject Category
Thermodynamics And Statistical Physics
Accession Number
87A22914
Funding Number(s)
CONTRACT_GRANT: NASA ORDER W-15134
CONTRACT_GRANT: W-7405-ENG-48
Distribution Limits
Public
Copyright
Other

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