Bulletin of the American Physical Society
63rd Annual Meeting of the APS Division of Plasma Physics
Volume 66, Number 13
Monday–Friday, November 8–12, 2021; Pittsburgh, PA
Session NP11: Poster Session V:
HED
ICF
MFE- Turbulence & Transport
9:30 AM - 12:30 PM
Wednesday, November 10, 2021
Room: Hall A
Abstract: NP11.00056 : Studying shape transfer of low-mode deformations in Double Shell capsule implosions
Presenter:
Irina Sagert
(Los Alamos National Laboratory)
Authors:
Irina Sagert
(Los Alamos National Laboratory)
Joshua P Sauppe
(Los Alamos National Laboratory)
Eric N Loomis
(Los Alamos Natl Lab)
Brian M Haines
(Los Alamos National Laboratory)
Paul A Keiter
(Los Alamos National Laboratory)
David S Montgomery
(Los Alamos Natl Lab)
Ryan F Sacks
(Los Alamos National Laboratory)
Sasi Palaniyappan
(Los Alamos Natl Lab)
Tana Morrow
(Los Alamos National Laboratory)
John L Kline
(Los Alamos Natl Lab)
Sean M Finnegan
(Los Alamos National Laboratory)
Peter A Amendt
(Lawrence Livermore Natl Lab)
We determine shape transfer and growth of low-modes on the inner shell during implosion and evaluate their observability with NIF’s Advanced Radiographic Capability (ARC). For this, we perform 2D implosion simulations of capsules that include low-mode ablator deformations. We then create synthetic radiographs to determine whether the deformations on the inner shell can be captured with ARC-level backlighting. Finally, we test different initial perturbations and target dimensions, as well as, ablator surface roughness on the visibility of effects on the inner shell with ARC.
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