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Title: Counterpropagating Radiative Shock Experiments on the Orion Laser

Journal Article · · Physical Review Letters
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  1. Imperial College, London (United Kingdom)
  2. Sorbonne University, Paris (France)
  3. Atomic Weapons Establishment (AWE), Aldermaston (United Kingdom)
  4. Science and Technology Facilities Council (STFC), Oxford (United Kingdom). Rutherford Appleton Lab. (RAL)
  5. Universite Pierre et Marie Curie, Universite Paris-Saclay, Sorbonne University, PSL Research University, Paris (France)
  6. Czech Academy of Sciences, Prague (Czech Republic)
  7. Universidad de Las Palmas de Gran Canaria (Spain)
  8. Universidad Politecnica de Madrid (Spain)

We present new experiments to study the formation of radiative shocks and the interaction between two counterpropagating radiative shocks. The experiments are performed at the Orion laser facility, which is used to drive shocks in xenon inside large aspect ratio gas cells. The collision between the two shocks and their respective radiative precursors, combined with the formation of inherently three-dimensional shocks, provides a novel platform particularly suited for the benchmarking of numerical codes. The dynamics of the shocks before and after the collision are investigated using point-projection x-ray backlighting while, simultaneously, the electron density in the radiative precursor was measured via optical laser interferometry. Modeling of the experiments using the 2D radiation hydrodynamic codes nym and petra shows very good agreement with the experimental results.

Research Organization:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
1424123
Report Number(s):
LLNL-JRNL-740078; PRLTAO; TRN: US1801910
Journal Information:
Physical Review Letters, Vol. 119, Issue 5; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 18 works
Citation information provided by
Web of Science

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Cited By (3)

Design and fabrication of gas cell targets for laboratory astrophysics experiments on the Orion high-power laser facility journal January 2017
Analysis of microscopic properties of radiative shock experiments performed at the Orion laser facility journal January 2018
Laboratory Observation of Radiative Shock Deceleration and Application to SN 1987A journal December 2019