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Title: Energy Flow in Thin Shell Implosions and Explosions

Abstract

Energy flow and balance in convergent systems beyond petapascal energy densities controls the fate of late-stage stars and the potential for controlling thermonuclear inertial fusion ignition. Time-resolved x-ray self-emission imaging combined with a Bayesian inference analysis is used to describe the energy flow and the potential information stored in the rebounding spherical shock at 0.22 PPa (2.2 Gbar or billions of atmospheres pressure). This analysis, together with a simple mechanical model, describes the trajectory of the shell and the time history of the pressure at the fuel-shell interface, ablation pressure, and energy partitioning including kinetic energy of the shell and internal energy of the fuel. Here, the techniques used here provide a fully self-consistent uncertainty analysis of integrated implosion data, a thermodynamic-path independent measurement of pressure in the petapascal range, and can be used to deduce the energy ow in a wide variety of implosion systems to petapascal energy densities.

Authors:
ORCiD logo [1];  [1]; ORCiD logo [1];  [2]; ORCiD logo [3];  [1];  [1];  [3];  [1];  [2];  [1];  [1]
  1. Univ. of Rochester, NY (United States)
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  3. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Publication Date:
Research Org.:
Univ. of Rochester, NY (United States). Lab. for Laser Energetics; Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1725778
Alternate Identifier(s):
OSTI ID: 1810682
Report Number(s):
2020-40, 1599, 2554; LLNL-JRNL-813119
Journal ID: ISSN 0031-9007; 2020-40, 1599, 2554
Grant/Contract Number:  
NA0003856; AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 125; Journal Issue: 21; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; Direct drive; High-energy-density plasmas; Inertial confinement fusion; Laboratory studies of space & astrophysical plasmas; Nuclear fusion; Plasma thermodynamics; Plasma transport; Shock waves; Hydrodynamics; Monte Carlo methods; X-ray & gamma ray plasma measurements; X-ray imaging

Citation Formats

Ruby, J. J., Rygg, J. R., Chin, D. A., Gaffney, J. A., Adrian, P. J., Forrest, C. J., Glebov, V. Yu., Kabadi, N. V., Nilson, P. M., Ping, Y., Stoeckl, C., and Collins, G. W.. Energy Flow in Thin Shell Implosions and Explosions. United States: N. p., 2020. Web. https://doi.org/10.1103/physrevlett.125.215001.
Ruby, J. J., Rygg, J. R., Chin, D. A., Gaffney, J. A., Adrian, P. J., Forrest, C. J., Glebov, V. Yu., Kabadi, N. V., Nilson, P. M., Ping, Y., Stoeckl, C., & Collins, G. W.. Energy Flow in Thin Shell Implosions and Explosions. United States. https://doi.org/10.1103/physrevlett.125.215001
Ruby, J. J., Rygg, J. R., Chin, D. A., Gaffney, J. A., Adrian, P. J., Forrest, C. J., Glebov, V. Yu., Kabadi, N. V., Nilson, P. M., Ping, Y., Stoeckl, C., and Collins, G. W.. Wed . "Energy Flow in Thin Shell Implosions and Explosions". United States. https://doi.org/10.1103/physrevlett.125.215001. https://www.osti.gov/servlets/purl/1725778.
@article{osti_1725778,
title = {Energy Flow in Thin Shell Implosions and Explosions},
author = {Ruby, J. J. and Rygg, J. R. and Chin, D. A. and Gaffney, J. A. and Adrian, P. J. and Forrest, C. J. and Glebov, V. Yu. and Kabadi, N. V. and Nilson, P. M. and Ping, Y. and Stoeckl, C. and Collins, G. W.},
abstractNote = {Energy flow and balance in convergent systems beyond petapascal energy densities controls the fate of late-stage stars and the potential for controlling thermonuclear inertial fusion ignition. Time-resolved x-ray self-emission imaging combined with a Bayesian inference analysis is used to describe the energy flow and the potential information stored in the rebounding spherical shock at 0.22 PPa (2.2 Gbar or billions of atmospheres pressure). This analysis, together with a simple mechanical model, describes the trajectory of the shell and the time history of the pressure at the fuel-shell interface, ablation pressure, and energy partitioning including kinetic energy of the shell and internal energy of the fuel. Here, the techniques used here provide a fully self-consistent uncertainty analysis of integrated implosion data, a thermodynamic-path independent measurement of pressure in the petapascal range, and can be used to deduce the energy ow in a wide variety of implosion systems to petapascal energy densities.},
doi = {10.1103/physrevlett.125.215001},
journal = {Physical Review Letters},
number = 21,
volume = 125,
place = {United States},
year = {2020},
month = {11}
}

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