Hydrogen at high pressure and temperatures

Conference · Thu Sep 30 00:00:00 EDT 1999

OSTI ID:14303

Nellis, W J

Hydrogen at high pressures and temperatures is challenging scientifically and has many real and potential applications. Minimum metallic conductivity of fluid hydrogen is observed at 140 GPa and 2600 K, based on electrical conductivity measurements to 180 GPa (1.8 Mbar), tenfold compression, and 3000 K obtained dynamically with a two-stage light-gas gun. Conditions up to 300 GPa, sixfold compression, and 30,000 K have been achieved in laser-driven Hugoniot experiments. Implications of these results for the interior of Jupiter, inertial confinement fusion, and possible uses of metastable solid hydrogen, if the metallic fluid could be quenched from high pressure, are discussed.

• Research Organization: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
• Sponsoring Organization: USDOE Office of Defense Programs (DP) (US)
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 14303
• Report Number(s): UCRL-JC-135910; DP0102012; DP0102012; TRN: US0110994
• Resource Relation: Conference: International Conference on High Pressure Science and Technology, Honolulu, HI (US), 07/25/1999--07/30/1999; Other Information: PBD: 30 Sep 1999
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ELECTRIC CONDUCTIVITY
HYDROGEN
INERTIAL CONFINEMENT
VERY HIGH PRESSURE
TEMPERATURE RANGE 1000-4000 K
JUPITER PLANET
ICF DEVICES
METALLIC HYDROGEN
LASER COMPRESSION
JOVIAN INTERIOR
INERTIAL CONFINEMENT FUSION
METASTABLE METALLIC HYDROGEN