Highly radiative shock experiments driven by GEKKO XII

被引：15
|
作者：
Diziere, A. [1 ]
Michaut, C. [2 ]
Koenig, M. [1 ]
Gregory, C. D. [1 ]
Ravasio, A. [1 ]
Sakawa, Y. [3 ]
Kuramitsu, Y. [3 ]
Morita, T. [3 ]
Ide, T. [3 ]
Tanji, H. [3 ]
Takabe, H. [3 ]
Barroso, P. [4 ]
Boudenne, J. -M. [1 ]
机构：
[1] Univ Paris 06, LULI, Ecole Polytech, CNRS, F-91128 Palaiseau, France
[2] Univ Paris Diderot, LUTH, Observ Paris, CNRS, F-92190 Meudon, France
[3] Osaka Univ, Inst Laser Engn, Suita, Osaka 5650871, Japan
[4] Univ Paris Diderot, GEPI, Observ Paris, CNRS, F-92190 Meudon, France
来源：
ASTROPHYSICS AND SPACE SCIENCE | 2011年 / 336卷 / 01期
关键词：
Radiative shock; High-power laser; Shock wave; Plasmas; Hydrodynamics; TEMPERATURE;
D O I：
10.1007/s10509-011-0653-6
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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 (a parts per thousand yen150 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.
引用
收藏
页码：213 / 218
页数：6
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