2-D Modeling of Saturn and PBFA-Z Wire Array Implosions

Details 2-D Modeling of Saturn and PBFA-Z Wire Array Implosions 2-D Modeling of Saturn and PBFA-Z Wire Array Implosions

Nov 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aps..dpp..3f03p&link_type=abstract

American Physical Society, Division of Plasma Physics Meeting, November 10-15, 1996, abstract #3F.03

Physics

Plasma Physics

Scientific paper

Two-dimensional radiation magnetohydrodynamic calculations of Al and W wire array implosions conducted on the Sandia Saturn facility, and of proposed experiments for the new PBFA-Z facility have been completed. The simulations used a methodology developed for calculations of foil implosions on the Los Alamos Pegasus I and Pegasus II capacitor banks.(D. L. Peterson,et al., Phys. Plasmas) 3, 368 (1996) (W. Matuska,et al., Phys. Plasmas) 3, 1415 (1996) The results show good agreement with measured current, radiated energy, radiation power and hohlraum temperature. Experiments conducted with large numbers of wires have shown a dramatic increase in power and simulations using lowered initial perturbation levels have also matched these experiments. In the case of Al wire arrays, the simulations have reproduced the feature of multiple radiation peaks. Using the Saturn calculations as a basis, calculations have been done for possible future PBFA-Z experiments indicating radiated energies of greater than 2 MJ and hohlraum temperatures in excess of 120 eV are possible.(This work supported by the Department of Energy)

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