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Title: Experimental platform for the investigation of magnetized-reverse-shock dynamics in the context of POLAR

Journal Article · · High Power Laser Science and Engineering
DOI:https://doi.org/10.1017/hpl.2018.37· OSTI ID:1511431
 [1];  [2];  [3];  [3];  [3];  [1];  [1];  [1];  [4];  [5];  [2];  [6];  [7];  [5];  [7];  [4];  [8];  [9];  [4];  [10] more »;  [10];  [11];  [12];  [13];  [13];  [3];  [14] « less
  1. Ecole Polytechnique, Palaiseau (France)
  2. Alternative Energies and Atomic Energy Commission (CEA), Arpajon (France); Commissariat a l'Energie Atomique et aux Energies Alternatives (CEA-Saclay), Gif-sur-Yvette (France)
  3. Helmholtz-Zentrum Dresden, (Germany)
  4. Osaka Univ. (Japan)
  5. National Research Nuclear Univ., Moscow (Russian Federation); JIHT-RAS, Moscow (Russia)
  6. Commissariat a l'Energie Atomique et aux Energies Alternatives (CEA-Saclay), Gif-sur-Yvette (France)
  7. Univ. of Oxford (United Kingdom)
  8. CNRS/IN2P3. Univ. Paris (France). Observatoire de Paris. AstroParticule et Cosmologie (APC)
  9. Kyushu Univ. (Japan)
  10. Univ. of Michigan, Ann Arbor, MI (United States)
  11. General Atomics, San Diego, CA (United States)
  12. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  13. Univ. of Chicago, IL (United States)
  14. Ecole Polytechnique, Palaiseau (France); Osaka Univ. (Japan)

The influence of a strong external magnetic field on the collimation of a high Mach number plasma flow and its collision with a solid obstacle is investigated experimentally and numerically. The laser irradiation ($$I\sim 2\times 10^{14}~\text{W}\cdot \text{cm}^{-2}$$) of a multilayer target generates a shock wave that produces a rear side plasma expanding flow. Immersed in a homogeneous 10 T external magnetic field, this plasma flow propagates in vacuum and impacts an obstacle located a few mm from the main target. A reverse shock is then formed with typical velocities of the order of 15–20$$\pm$$5 km/s. The experimental results are compared with 2D radiative magnetohydrodynamic simulations using the FLASH code. This platform allows investigating the dynamics of reverse shock, mimicking the processes occurring in a cataclysmic variable of polar type.

Research Organization:
Univ. of Michigan, Ann Arbor, MI (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
NA0002956
OSTI ID:
1511431
Journal Information:
High Power Laser Science and Engineering, Vol. 6; ISSN 2095-4719
Publisher:
Cambridge University PressCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 7 works
Citation information provided by
Web of Science

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Cited By (2)

Laboratory study of stationary accretion shock relevant to astrophysical systems journal May 2019
Characterization of high spatial resolution lithium fluoride X-ray detectors journal June 2019

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