Laboratory radiative accretion shocks on GEKKO XII laser facility for POLAR project

L. van Box Som, Falize, M. Koenig, Y. Sakawa, B. Albertazzi, P. Barroso, J. M. Bonnet-Bidaud, C. Busschaert, A. Ciardi, Y. Hara, N. Katsuki, R. Kumar, F. Lefevre, C. Michaut, Th Michel, T. Miura, T. Morita, M. Mouchet, G. Rigon, T. SanoS. Shiiba, H. Shimogawara, S. Tomiya

研究成果: ジャーナルへの寄稿学術誌査読

5 被引用数 (Scopus)

抄録

A new target design is presented to model high-energy radiative accretion shocks in polars. In this paper, we present the experimental results obtained on the GEKKO XII laser facility for the POLAR project. The experimental results are compared with 2D FCI2 simulations to characterize the dynamics and the structure of plasma flow before and after the collision. The good agreement between simulations and experimental data confirms the formation of a reverse shock where cooling losses start modifying the post-shock region. With the multi-material structure of the target, a hydrodynamic collimation is exhibited and a radiative structure coupled with the reverse shock is highlighted in both experimental data and simulations. The flexibility of the laser energy produced on GEKKO XII allowed us to produce high-velocity flows and study new and interesting radiation hydrodynamic regimes between those obtained on the LULI2000 and Orion laser facilities.

本文言語英語
論文番号e35
ジャーナルHigh Power Laser Science and Engineering
6
DOI
出版ステータス出版済み - 2018

!!!All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 原子分子物理学および光学
  • 核物理学および高エネルギー物理学
  • 原子力エネルギーおよび原子力工学

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