Supernova-relevant hydrodynamic instability experiment on the Nova laser

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Supernova 1987A focused attention on the critical role of hydrodynamic instabilities in the evolution of supernovae. On quite a separate front, the detrimental effect of hydrodynamic instabilities in inertial confinement fusion (ICF) has long been known. Tools from both areas are being tested on a common project. At Lawrence Livermore National Laboratory (LLNL), the Nova Laser is being used in scaled laboratory experiments of hydrodynamic mixing under supernova-relevant conditions. Numerical simulations of the experiments are being done, using hydrodynamics codes at the Laboratory, and astrophysical codes successfully used to model the hydrodynamics of supernovae. A two-layer package composed of Cu ... continued below

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16 p.

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Kane, J.; Arnett, D.; Remington, B.A.; Glendinning, S.G.; Castor, J.; Rubenchik, A. et al. February 12, 1996.

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Description

Supernova 1987A focused attention on the critical role of hydrodynamic instabilities in the evolution of supernovae. On quite a separate front, the detrimental effect of hydrodynamic instabilities in inertial confinement fusion (ICF) has long been known. Tools from both areas are being tested on a common project. At Lawrence Livermore National Laboratory (LLNL), the Nova Laser is being used in scaled laboratory experiments of hydrodynamic mixing under supernova-relevant conditions. Numerical simulations of the experiments are being done, using hydrodynamics codes at the Laboratory, and astrophysical codes successfully used to model the hydrodynamics of supernovae. A two-layer package composed of Cu and CH{sub 2} with a single mode sinusoidal 1D perturbation at the interface, shocked by indirect laser drive from the Cu side of the package, produced significant Rayleigh-Taylor (RT) growth in the nonlinear regime. The scale and gross structure of the growth was successfully modeled, by mapping an early-time simulation done with 1D HYADES, a radiation transport code, into 2D CALE, a LLNL hydrodynamics code. The HYADES result was also mapped in 2D into the supernova code PROMETHEUS, which was also able to reproduce the scale and gross structure of the growth.

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16 p.

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OSTI as DE96010818

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  • Workshop in astrophysics experiments with large lasers, Pleasanton, CA (United States), 26-27 Feb 1996

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  • Other: DE96010818
  • Report No.: UCRL-JC--121488
  • Report No.: CONF-960297--1
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/231658 | External Link
  • Office of Scientific & Technical Information Report Number: 231658
  • Archival Resource Key: ark:/67531/metadc668337

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • February 12, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Feb. 23, 2016, 12:34 p.m.

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Kane, J.; Arnett, D.; Remington, B.A.; Glendinning, S.G.; Castor, J.; Rubenchik, A. et al. Supernova-relevant hydrodynamic instability experiment on the Nova laser, report, February 12, 1996; California. (digital.library.unt.edu/ark:/67531/metadc668337/: accessed April 27, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.