Bulletin of the American Physical Society
64th Annual Meeting of the APS Division of Plasma Physics
Volume 67, Number 15
Monday–Friday, October 17–21, 2022; Spokane, Washington
Session PO04: Hohlraum and X-ray Cavity Physics
2:00 PM–4:48 PM,
Wednesday, October 19, 2022
Room: Ballroom 111 A
Chair: Dave Strozzi, LLNL; Steve MacLaren, LLNL
Abstract: PO04.00009 : Modeling of nonlocal electron transport in laser-driven double-ablation fronts*
3:36 PM–3:48 PM
Presenter:
Kevin H Ma
(University of Michigan)
Authors:
Kevin H Ma
(University of Michigan)
Mehul V Patel
(Lawrence Livermore Natl Lab)
Eric Johnsen
(University of Michigan)
Radiation-hydrodynamic HYDRA simulations are with the Schurtz-Nicolai-Busquet (SNB) nonlocal transport model2,3. Vlasov-Fokker-Planck modeling confirms SNB heat flux predictions, which indicate the presence of localized preheating between the electron and radiation transport fronts, with increasing significance at higher laser intensities. Notably, this short-range preheat enhances the radiation transport in the irradiated foil and modifies the resulting DAF structure.
1Sanz et al., Phys. Plas. 16, 082704 (2009)
2Schurtz et al., Phys. Plas. 7, 4238 (2000)
3Brodrick et al., Phys. Plas. 24, 092309 (2017)
*This work is supported in part by the LLNL under Subcontract No. B642551, and was prepared by LLNL under Contract DE-AC52-07NA27344.
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