Measurement of density, temperature, and electrical conductivity of a shock-compressed nonideal nitrogen plasma in the megabar pressure range

Journal Article · Fri Jan 15 00:00:00 EST 2010 · Journal of Experimental and Theoretical Physics

DOI:https://doi.org/10.1134/S1063776110010097· OSTI ID:21443622

Mochalov, M A; Zhernokletov, M V; Il'kaev, R I; Mikhailov, A L ^[1]; Fortov, V E ^[2]; Gryaznov, V K ^[3]; Mezhevov, A B; Kovalev, A E; Kirshanov, S I; Grigor'eva, Yu A; Novikov, M G; Shuikin, A N ^[1]

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1. Institute of Experimental Physics, Russian Federal Nuclear Center (Russian Federation)
2. Russian Academy of Sciences (IVTAN), Joint Institute for High Temperatures (Russian Federation)
3. Russian Academy of Sciences, Chernogolovka, Institute of Problems of Chemical Physics (Russian Federation)

Kinematic and thermodynamic parameters of shock-compressed liquid nitrogen are measured behind the front of a plane shock wave using plane wave and hemispherical shock wave generators. In these experiments, high values of compression parameters (shock-compressed hydrogen density {approx} 3.25 g/cm{sup 3} and temperature T{approx} 56000 K at a pressure of P {approx} 265 GPa) are attained. The density, pressure, temperature, and electrical conductivity of the nonideal plasma of shock-compressed liquid nitrogen are measured. A nearly isochoric behavior of the nitrogen shock adiabat is observed in the pressure range P = 100-300 GPa. The thermodynamics of shock-compressed nitrogen is an alyzed using the model of the equation of state in the quasi-chemical representation (SAHA code) as well as the semiempirical wide-range equation of state developed at the Institute of Experimental Physics. Experimental results are interpreted on the basis of calculations as the fixation of the boundary of transition of shock-compressed nitrogen from the polymer phase to the state of a strongly nonideal plasma at P {approx} 100 GPa, {approx} 3.4 g/cm{sup 3}.

• OSTI ID: 21443622
• Journal Information: Journal of Experimental and Theoretical Physics, Vol. 110, Issue 1; Other Information: DOI: 10.1134/S1063776110010097; Copyright (c) 2010 Pleiades Publishing, Ltd.; ISSN 1063-7761
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
COMPRESSION
DENSITY
ELECTRIC CONDUCTIVITY
ELECTRON TEMPERATURE
EQUATIONS OF STATE
HYDROGEN
ION TEMPERATURE
NITROGEN
PLASMA
PLASMA DENSITY
POLYMERS
PRESSURE RANGE GIGA PA
SHOCK WAVES
THERMODYNAMICS
WAVE PROPAGATION
ELECTRICAL PROPERTIES
ELEMENTS
EQUATIONS
NONMETALS
PHYSICAL PROPERTIES
PRESSURE RANGE