Abstract
In this paper, recent results obtained on highly radiative shocks generated in a xenon filled gas cell using the GEKKO XII laser facility are presented. Data show extremely high shock velocity (≥150 km/s) never achieved before in gas. Preliminary analyses based on theoretical dimensionless numbers and numerical simulations suggest that these radiative shocks reach a new radiative regime where the radiative pressure plays a role in the dynamics and structure of the shock. A major effect observed is a strong anisotropic emission in the downstream gas. This unexpected feature is discussed and compared to available 2D radiation hydrodynamic simulations.
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Dizière, A., Michaut, C., Koenig, M. et al. Highly radiative shock experiments driven by GEKKO XII. Astrophys Space Sci 336, 213–218 (2011). https://doi.org/10.1007/s10509-011-0653-6
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DOI: https://doi.org/10.1007/s10509-011-0653-6