Counterpropagating Radiative Shock Experiments on the Orion Laser

被引：27

作者：

Suzuki-Vidal, F. ^{[1
]}

Clayson, T. ^{[1
]}

Stehle, C. ^{[2
]}

Swadling, G. F. ^{[1
,9
]}

Foster, J. M. ^{[3
]}

Skidmore, J. ^{[3
,10
]}

Graham, P. ^{[3
]}

Burdiak, G. C. ^{[1
]}

Lebedev, S. V. ^{[1
]}

Chaulagain, U. ^{[2
,6
]}

Singh, R. L. ^{[2
]}

Gumbrell, E. T. ^{[1
,3
,9
]}

Patankar, S. ^{[3
,9
]}

Spindloe, C. ^{[4
]}

Larour, J. ^{[5
]}

Kozlova, M. ^{[6
]}

Rodriguez, R. ^{[7
]}

Gil, J. M. ^{[7
]}

Espinosa, G. ^{[7
]}

Velarde, P. ^{[8
]}

Danson, C. ^{[3
]}

机构：

[1] Imperial Coll London, Blackett Lab, London SW7 2BW, England

[2] Sorbonne Univ, UPMC, PSL Res Univ,Observ Paris,CNRS, Lab Etud Rayonnement & Mat Astrophys & Atmosphere, 4 Pl Jussieu, F-75252 Paris, France

[3] AWE, Reading RG7 4PR, West Berkshire, England

[4] Rutherford Appleton Lab, Sci & Technol Facil Council, Harwell Campus, Didcot OX11 0QX, Oxon, England

[5] PSL Res Univ, Univ Pierre & Marie Curie, Sorbonne Univ,Univ Paris Saclay, LPP,CNRS,Ecole Polytech, 4 Pl Jussieu, F-75252 Paris, France

[6] Czech Acad Sci, Inst Plasma Phys, ELI, Prague 18200 8, Czech Republic

[7] Univ Las Palmas Gran Canaria, Dept Fis, Las Palmas Gran Canaria 35003, Las Palmas, Spain

[8] Univ Politecn Madrid, Inst Fus Nucl, E-28040 Madrid, Spain

[9] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[10] First Light Fus Ltd, Unit 10,Oxford Ind Pk,Mead Rd, Yarnton OX5 1QU, Oxon, England

来源：

PHYSICAL REVIEW LETTERS | 2017年 / 119卷 / 05期

基金：

英国工程与自然科学研究理事会;

关键词：

LABORATORY ASTROPHYSICS; RELEVANT; TUBES; WAVE;

D O I：

10.1103/PhysRevLett.119.055001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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.

引用

页数：6

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