Equation of state of shock-compressed liquids : carbon dioxide and air

Equation-of-state data were measured for liquid carbon dioxide and air shock-compressed to pressures in the range 28–71 GPa (280–710 kbar) using a two-stage light-gas gun. The experimental methods are described. The data indicate that shock-compressed liquid CO2 decomposes at pressures above 34 GPa....

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Bibliographic Details
Published in:The Journal of chemical physics 1991-10, Vol.95 (7), p.5268-5272
Main Authors: NELLIS, W. J, MITCHELL, A. C, REE, F. H, ROSS, M, HOLMES, N. C, TRAINOR, R. J, ERSKINE, D. J
Format: Article
Language:English
Subjects:
360603 - Materials- Properties
AIR
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
COMPRESSED AIR
COMPRESSED GASES
Condensed matter: structure, mechanical and thermal properties
EQUATIONS
EQUATIONS OF STATE
Equations of state of specific substances
Equations of state, phase equilibria, and phase transitions
Exact sciences and technology
FLUIDS
GASES
INTERMOLECULAR FORCES
LIQUIDS
MATERIALS SCIENCE
OXIDES
OXYGEN COMPOUNDS
Physics
SHOCK WAVES
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Summary:Equation-of-state data were measured for liquid carbon dioxide and air shock-compressed to pressures in the range 28–71 GPa (280–710 kbar) using a two-stage light-gas gun. The experimental methods are described. The data indicate that shock-compressed liquid CO2 decomposes at pressures above 34 GPa. Liquid air dissociates above a comparable shock pressure, as does liquid nitrogen. Theoretical intermolecular potentials are derived for CO2 from the data. The calculated shock temperature for the onset of CO2 decomposition is 4500 K at a volume of 17 cm3/mol.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.461665