High-precision measurements of the equation of state of hydrocarbons at 1-10 Mbar using laser-driven shock waves

被引：124

作者：

Barrios, M. A. ^{[1
,2
]}

Hicks, D. G. ^{[3
]}

Boehly, T. R. ^{[1
]}

Fratanduono, D. E. ^{[1
]}

Eggert, J. H. ^{[3
]}

Celliers, P. M. ^{[3
]}

Collins, G. W. ^{[3
]}

Meyerhofer, D. D. ^{[1
,2
]}

机构：

[1] Univ Rochester, Laser Energet Lab, Rochester, NY 14623 USA

[2] Univ Rochester, Dept Phys & Astron, Rochester, NY 14623 USA

[3] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

来源：

PHYSICS OF PLASMAS | 2010年 / 17卷 / 05期

关键词：

impedance matching; plasma diagnostics; plasma shock waves; LIQUID DEUTERIUM; IGNITION TARGETS; POLYSTYRENE; POLYBUTENE; BENZENE; DESIGN;

D O I：

10.1063/1.3358144

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The equation of state (EOS) of polystyrene and polypropylene were measured using laser-driven shock waves with pressures from 1 to 10 Mbar. Precision data resulting from the use of alpha-quartz as an impedance-matching (IM) standard tightly constrains the EOS of these hydrocarbons, even with the inclusion of systematic errors inherent to IM. The temperature at these high pressures was measured, which, combined with kinematic measurements, provide a complete shock EOS. Both hydrocarbons were observed to reach similar compressions and temperatures as a function of pressure. The materials were observed to transition from transparent insulators to reflecting conductors at pressures of 1 to 2 Mbar. (C) 2010 American Institute of Physics. [doi:10.1063/1.3358144]

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