Computer simulation of recent laser driven implosions of glass microshells
Conference
·
OSTI ID:7299902
Recent experiments at the LLL 2.0 terawatt laser irradiation facility Argus have been conducted on glass microshells filled with equimolar DT gas. A variety of microshell dimensions and laser pulse widths have been used with the best results producing in excess of 10/sup 8/ fusion reactions. Numerical simulation of selected experiments using the LASNEX computer code confirm the measured performance. Peak DT ion temperatures of about 5 keV and densities of .2 gm/cm/sup 3/ are calculated and are in agreement with that from neutron time-of-flight and alpha particle spectral measurements together with x-ray diagnostics. Laser light absorption is about 20% efficient. General characteristics of ''exploding pusher'' targets will be discussed.
- Research Organization:
- California Univ., Livermore (USA). Lawrence Livermore Lab.
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 7299902
- Report Number(s):
- UCRL-78488; CONF-761108-32
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700205 -- Fusion Power Plant Technology-- Fuel
Heating
& Injection Systems
700208* -- Fusion Power Plant Technology-- Inertial Confinement Technology
ALPHA SPECTRA
COMPUTER CALCULATIONS
DEUTERIUM COMPOUNDS
DEUTERIUM TRITIDES
FUELS
HYDROGEN COMPOUNDS
IMPLOSIONS
ION DENSITY
ION TEMPERATURE
LABELLED COMPOUNDS
LASER IMPLOSIONS
MICROSPHERES
NEUTRON SPECTRA
SIMULATION
SPECTRA
TARGETS
THERMONUCLEAR FUELS
TRITIUM COMPOUNDS
X-RAY SPECTRA
700205 -- Fusion Power Plant Technology-- Fuel
Heating
& Injection Systems
700208* -- Fusion Power Plant Technology-- Inertial Confinement Technology
ALPHA SPECTRA
COMPUTER CALCULATIONS
DEUTERIUM COMPOUNDS
DEUTERIUM TRITIDES
FUELS
HYDROGEN COMPOUNDS
IMPLOSIONS
ION DENSITY
ION TEMPERATURE
LABELLED COMPOUNDS
LASER IMPLOSIONS
MICROSPHERES
NEUTRON SPECTRA
SIMULATION
SPECTRA
TARGETS
THERMONUCLEAR FUELS
TRITIUM COMPOUNDS
X-RAY SPECTRA