Experimental measurements of hydrodynamic instabilities on Nova of relevance to astrophysics

S. G. Glendinning, K. S. Budil, C. Cherfils, R. P. Drake, D. Farley, D. H. Kalantar, J. Kane, M. M. Marinak, B. A. Remington, A. Richard, D. Ryutov, James McLellan Stone, R. J. Wallace, S. V. Weber

Research output: Contribution to journalArticle

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Abstract

Large lasers such as Nova allow the possibility of achieving regimes of high-energy densities in plasmas of millimeter spatial scales and nanosecond timescales. In those plasmas where thermal conductivity and viscosity do not play a significant role, the hydrodynamic evolution is suitable for bench-marking hydrodynamics modeling in astrophysical codes. Several experiments on Nova examine hydrodynamically unstable interfaces. A typical Nova experiment uses a gold millimeter-scale hohlraum to convert the laser energy to a 200 eV blackbody source lasting about a nanosecond. The X-rays ablate a planar target, generating a series of shocks and accelerating the target. The evolving areal density is diagnosed by time-resolved radiography, using a second X-ray source. Data from several experiments are presented and diagnostic techniques are discussed.

Original languageEnglish (US)
Pages (from-to)325-331
Number of pages7
JournalAstrophysical Journal, Supplement Series
Volume127
Issue number2
DOIs
StatePublished - Apr 2000

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Keywords

  • Hydrodynamics
  • Instabilities
  • Methods: laboratory

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    Glendinning, S. G., Budil, K. S., Cherfils, C., Drake, R. P., Farley, D., Kalantar, D. H., Kane, J., Marinak, M. M., Remington, B. A., Richard, A., Ryutov, D., Stone, J. M., Wallace, R. J., & Weber, S. V. (2000). Experimental measurements of hydrodynamic instabilities on Nova of relevance to astrophysics. Astrophysical Journal, Supplement Series, 127(2), 325-331. https://doi.org/10.1086/313344