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Warm-dense-matter studies using pulse-powered wire discharges in water

Published online by Cambridge University Press:  21 September 2006

TORU SASAKI ,
YUURI YANO ,
MITSUO NAKAJIMA ,
TOHRU KAWAMURA  and
KAZUHIKO HORIOKA
TORU SASAKI
Affiliation:
Department of Energy Sciences, Tokyo Institute of Technology, Yokohama, Japan
YUURI YANO
Affiliation:
Department of Energy Sciences, Tokyo Institute of Technology, Yokohama, Japan
MITSUO NAKAJIMA
Affiliation:
Department of Energy Sciences, Tokyo Institute of Technology, Yokohama, Japan
TOHRU KAWAMURA
Affiliation:
Department of Energy Sciences, Tokyo Institute of Technology, Yokohama, Japan
KAZUHIKO HORIOKA
Affiliation:
Department of Energy Sciences, Tokyo Institute of Technology, Yokohama, Japan
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Abstract

Dense plasmas are produced using exploding wire discharges in water. Evolutions of radius, electrical conductivity, temperature of plasma and a shock wave in water accompanied with the explosion, are measured. Conductivities of aluminum, copper, and tungsten are compared with theoretical ones. To evaluate the equation of state, trajectories of the shock wave and the plasma boundary are compared with numerical calculations. Results show that the hydrodynamic behaviors are sensitive to the models of equation of state. Controllability of warm dense state in density-temperature diagram is discussed from the voltage-current characteristics of the wire discharges.

Keywords

ConductivityDischargeEquation of stateHigh energy density physicsPulse-powerWarm dense matterWire explosion

Information

Type
Research Article
Information
Laser and Particle Beams , Volume 24 , Issue 3 , September 2006 , pp. 371 - 380
Copyright
© 2006 Cambridge University Press

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