Numerical study of core formation of asymmetrically driven cone-guided targets

Sawada, Hiroshi; Sakagami, Hitoshi

doi:10.1063/1.4996256

Title: Numerical study of core formation of asymmetrically driven cone-guided targets

Journal Article · Fri Sep 22 00:00:00 EDT 2017 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.4996256· OSTI ID:1393843

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Univ. of Nevada, Reno, NV (United States); Osaka Univ. (Japan)
National Inst. of Natural Sciences, Toki (Japan). National Inst. for Fusion Science

Compression of a directly driven fast ignition cone-sphere target with a finite number of laser beams is numerically studied using a three-dimensional hydrodynamics code IMPACT-3D. The formation of a dense plasma core is simulated for 12-, 9-, 6-, and 4-beam configurations of the GEKKO XII laser. The complex 3D shapes of the cores are analyzed by elucidating synthetic 2D x-ray radiographic images in two orthogonal directions. Finally, the simulated x-ray images show significant differences in the core shape between the two viewing directions and rotation of the stagnating core axis in the top view for the axisymmetric 9- and 6-beam configurations.

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Research Organization:: Univ. of Nevada, Reno, NV (United States); National Inst. of Natural Sciences, Toki (Japan)

Sponsoring Organization:: USDOE Office of Science (SC), Fusion Energy Sciences (FES); USDOE National Nuclear Security Administration (NNSA); Univ. of Nevada, Reno (United States); National Inst. for Fusion Science (NIFS) (Japan); US-Japan Fusion Research Collaboration

Grant/Contract Number:: SC0008827; NA0002075; 1201-121-1430; NIFS13KUGK072; H28-JF-4

OSTI ID:: 1393843

Alternate ID(s):: OSTI ID: 1394029

Journal Information:: Physics of Plasmas, Vol. 24, Issue 10; ISSN 1070-664X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 1 work

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