Capsule physics comparison of National Ignition Facility implosion designs using plastic, high density carbon, and beryllium ablators
Abstract
Indirect drive implosion experiments on the National Ignition Facility (NIF) [E. I. Moses et al., Phys. Plasmas 16, 041006 (2009)] have now tested three different ablator materials: glow discharge polymer plastic, high density carbon, and beryllium. How do these different ablators compare in current and proposed implosion experiments on NIF? What are the relative advantages and disadvantages of each? This paper compares these different ablator options in capsule-only simulations of current NIF experiments and potential future designs. The simulations compare the impact of the capsule fill tube, support tent, and interface surface roughness for each case, as well as all perturbations in combination. According to the simulations, each ablator is impacted by the various perturbation sources differently, and each material poses unique challenges in the pursuit of ignition on NIF.
- Authors:
-
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Publication Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1756728
- Alternate Identifier(s):
- OSTI ID: 1424529
- Report Number(s):
- LLNL-JRNL-740758
Journal ID: ISSN 1070-664X; 894140; TRN: US2205669
- Grant/Contract Number:
- AC52-07NA27344
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physics of Plasmas
- Additional Journal Information:
- Journal Volume: 25; Journal Issue: 3; Journal ID: ISSN 1070-664X
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; Doping; tectonophysics; chemical elements; fluid mechanics; plasma confinement; transition metals; metrology; gas discharges; growth factors; x-rays
Citation Formats
Clark, D. S., Kritcher, A. L., Yi, S. A., Zylstra, A. B., Haan, S. W., and Weber, C. R. Capsule physics comparison of National Ignition Facility implosion designs using plastic, high density carbon, and beryllium ablators. United States: N. p., 2018.
Web. doi:10.1063/1.5016874.
Clark, D. S., Kritcher, A. L., Yi, S. A., Zylstra, A. B., Haan, S. W., & Weber, C. R. Capsule physics comparison of National Ignition Facility implosion designs using plastic, high density carbon, and beryllium ablators. United States. https://doi.org/10.1063/1.5016874
Clark, D. S., Kritcher, A. L., Yi, S. A., Zylstra, A. B., Haan, S. W., and Weber, C. R. Wed .
"Capsule physics comparison of National Ignition Facility implosion designs using plastic, high density carbon, and beryllium ablators". United States. https://doi.org/10.1063/1.5016874. https://www.osti.gov/servlets/purl/1756728.
@article{osti_1756728,
title = {Capsule physics comparison of National Ignition Facility implosion designs using plastic, high density carbon, and beryllium ablators},
author = {Clark, D. S. and Kritcher, A. L. and Yi, S. A. and Zylstra, A. B. and Haan, S. W. and Weber, C. R.},
abstractNote = {Indirect drive implosion experiments on the National Ignition Facility (NIF) [E. I. Moses et al., Phys. Plasmas 16, 041006 (2009)] have now tested three different ablator materials: glow discharge polymer plastic, high density carbon, and beryllium. How do these different ablators compare in current and proposed implosion experiments on NIF? What are the relative advantages and disadvantages of each? This paper compares these different ablator options in capsule-only simulations of current NIF experiments and potential future designs. The simulations compare the impact of the capsule fill tube, support tent, and interface surface roughness for each case, as well as all perturbations in combination. According to the simulations, each ablator is impacted by the various perturbation sources differently, and each material poses unique challenges in the pursuit of ignition on NIF.},
doi = {10.1063/1.5016874},
journal = {Physics of Plasmas},
number = 3,
volume = 25,
place = {United States},
year = {Wed Mar 07 00:00:00 EST 2018},
month = {Wed Mar 07 00:00:00 EST 2018}
}
Web of Science
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