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Title: A 3D dynamic model to assess the impacts of low-mode asymmetry, aneurysms and mix-induced radiative loss on capsule performance across inertial confinement fusion platforms

Abstract

A simple 3D dynamic model for inertial confinement fusion (ICF) implosions has been developed and used to assess the impacts of low-mode asymmetry, aneurysms and mix-induced radiative loss on capsule performance across ICF platforms. While benchmarked against radiation hydrodynamics simulations, this model benefits from simplicity and speed to allow rapid assessment of possible sources of degradation as well as to help build intuition about the relative importance of different effects. Degradations in the model result from 3D pr areal density perturbations that grow under deceleration from a radial stagnation flow, resulting in reduced convergence, stagnation pressure and temperature. When available, experimental data are used as input to seed 3D perturbations in the model so that the actual observed hotspot and shell areal density asymmetry at stagnation, as well as the radiation loss increase from mix impurities, are accurately reproduced. This model is applied to a broad set of implosion data from the NIF and Omega, including examples from both indirect drive and direct drive. The model matches most experimental observables and explains major performance degradation mechanisms which can result in 30–100-fold reductions in yield. We investigate a modified ignition criterion that accounts for the increase in expansion pdV work, duemore » to the presence of 3D pr perturbations and loss-of-confinement in thin regions of the shell.« less

Authors:
 [1]; ORCiD logo [1];  [1];  [2];  [1];  [2];  [1];  [1];  [2];  [1];  [1];  [1];  [1]; ORCiD logo [1];  [2]; ORCiD logo [3];  [1];  [3];  [2];  [2] more »;  [1];  [1];  [1];  [1]; ORCiD logo [1];  [2];  [4];  [2];  [1];  [1];  [1];  [1];  [1];  [1]; ORCiD logo [1];  [1];  [1];  [1];  [2];  [2]; ORCiD logo [5];  [2];  [1];  [2] « less
+ Show Author Affiliations
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Univ. of Rochester, NY (United States)
  3. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  4. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  5. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Univ. of Rochester, NY (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:
1542744
Report Number(s):
LLNL-JRNL-755078
Journal ID: ISSN 0029-5515; 941692
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Nuclear Fusion
Additional Journal Information:
Journal Volume: 59; Journal Issue: 3; Journal ID: ISSN 0029-5515
Publisher:
IOP Science
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats

Springer, P. T., Hurricane, O. A., Hammer, J. H., Betti, R., Callahan, D. A., Campbell, E. M., Casey, D. T., Cerjan, C. J., Cao, D., Dewald, E., Divol, L., Doeppner, T., Edwards, M. J., Field, J. E., Forrest, C., Frenje, J., Gaffney, J. A., Gatu-Johnson, M., Glebov, V., Goncharov, V. N., Grim, G. P., Hartouni, E., Hatarik, R., Hinkel, D. E., Berzak Hopkins, L., Igumenshchev, I., Knapp, P., Knauer, J. P., Kritcher, A. L., Landen, O., Pak, A., Le Pape, S., Ma, T., MacPhee, A. G., Munro, D. H., Nora, R. C., Patel, P. K., Peterson, L., Radha, P. B., Regan, S. P., Rinderknecht, H., Sangster, C., Spears, B. K., and Stoeckl, C. A 3D dynamic model to assess the impacts of low-mode asymmetry, aneurysms and mix-induced radiative loss on capsule performance across inertial confinement fusion platforms. United States: N. p., 2018. Web. doi:10.1088/1741-4326/aaed65.
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Springer, P. T., Hurricane, O. A., Hammer, J. H., Betti, R., Callahan, D. A., Campbell, E. M., Casey, D. T., Cerjan, C. J., Cao, D., Dewald, E., Divol, L., Doeppner, T., Edwards, M. J., Field, J. E., Forrest, C., Frenje, J., Gaffney, J. A., Gatu-Johnson, M., Glebov, V., Goncharov, V. N., Grim, G. P., Hartouni, E., Hatarik, R., Hinkel, D. E., Berzak Hopkins, L., Igumenshchev, I., Knapp, P., Knauer, J. P., Kritcher, A. L., Landen, O., Pak, A., Le Pape, S., Ma, T., MacPhee, A. G., Munro, D. H., Nora, R. C., Patel, P. K., Peterson, L., Radha, P. B., Regan, S. P., Rinderknecht, H., Sangster, C., Spears, B. K., & Stoeckl, C. A 3D dynamic model to assess the impacts of low-mode asymmetry, aneurysms and mix-induced radiative loss on capsule performance across inertial confinement fusion platforms. United States. https://doi.org/10.1088/1741-4326/aaed65
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Springer, P. T., Hurricane, O. A., Hammer, J. H., Betti, R., Callahan, D. A., Campbell, E. M., Casey, D. T., Cerjan, C. J., Cao, D., Dewald, E., Divol, L., Doeppner, T., Edwards, M. J., Field, J. E., Forrest, C., Frenje, J., Gaffney, J. A., Gatu-Johnson, M., Glebov, V., Goncharov, V. N., Grim, G. P., Hartouni, E., Hatarik, R., Hinkel, D. E., Berzak Hopkins, L., Igumenshchev, I., Knapp, P., Knauer, J. P., Kritcher, A. L., Landen, O., Pak, A., Le Pape, S., Ma, T., MacPhee, A. G., Munro, D. H., Nora, R. C., Patel, P. K., Peterson, L., Radha, P. B., Regan, S. P., Rinderknecht, H., Sangster, C., Spears, B. K., and Stoeckl, C. Tue . "A 3D dynamic model to assess the impacts of low-mode asymmetry, aneurysms and mix-induced radiative loss on capsule performance across inertial confinement fusion platforms". United States. https://doi.org/10.1088/1741-4326/aaed65. https://www.osti.gov/servlets/purl/1542744.
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@article{osti_1542744,
title = {A 3D dynamic model to assess the impacts of low-mode asymmetry, aneurysms and mix-induced radiative loss on capsule performance across inertial confinement fusion platforms},
author = {Springer, P. T. and Hurricane, O. A. and Hammer, J. H. and Betti, R. and Callahan, D. A. and Campbell, E. M. and Casey, D. T. and Cerjan, C. J. and Cao, D. and Dewald, E. and Divol, L. and Doeppner, T. and Edwards, M. J. and Field, J. E. and Forrest, C. and Frenje, J. and Gaffney, J. A. and Gatu-Johnson, M. and Glebov, V. and Goncharov, V. N. and Grim, G. P. and Hartouni, E. and Hatarik, R. and Hinkel, D. E. and Berzak Hopkins, L. and Igumenshchev, I. and Knapp, P. and Knauer, J. P. and Kritcher, A. L. and Landen, O. and Pak, A. and Le Pape, S. and Ma, T. and MacPhee, A. G. and Munro, D. H. and Nora, R. C. and Patel, P. K. and Peterson, L. and Radha, P. B. and Regan, S. P. and Rinderknecht, H. and Sangster, C. and Spears, B. K. and Stoeckl, C.},
abstractNote = {A simple 3D dynamic model for inertial confinement fusion (ICF) implosions has been developed and used to assess the impacts of low-mode asymmetry, aneurysms and mix-induced radiative loss on capsule performance across ICF platforms. While benchmarked against radiation hydrodynamics simulations, this model benefits from simplicity and speed to allow rapid assessment of possible sources of degradation as well as to help build intuition about the relative importance of different effects. Degradations in the model result from 3D pr areal density perturbations that grow under deceleration from a radial stagnation flow, resulting in reduced convergence, stagnation pressure and temperature. When available, experimental data are used as input to seed 3D perturbations in the model so that the actual observed hotspot and shell areal density asymmetry at stagnation, as well as the radiation loss increase from mix impurities, are accurately reproduced. This model is applied to a broad set of implosion data from the NIF and Omega, including examples from both indirect drive and direct drive. The model matches most experimental observables and explains major performance degradation mechanisms which can result in 30–100-fold reductions in yield. We investigate a modified ignition criterion that accounts for the increase in expansion pdV work, due to the presence of 3D pr perturbations and loss-of-confinement in thin regions of the shell.},
doi = {10.1088/1741-4326/aaed65},
journal = {Nuclear Fusion},
number = 3,
volume = 59,
place = {United States},
year = {Tue Dec 18 00:00:00 EST 2018},
month = {Tue Dec 18 00:00:00 EST 2018}
}
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https://doi.org/10.1088/1741-4326/aaed65
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    Works referencing / citing this record:

    A theoretical model for low-mode asymmetries in ICF implosions
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    • Zhang, Cunbo; Yu, Chengxin; Yang, Chen
    • Physics of Plasmas, Vol. 26, Issue 2
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    On alpha-particle transport in inertial fusion
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    Curl-free magnetic fields for stellarator optimization
    journal, October 2019

    Nuclear diagnostics for Inertial Confinement Fusion (ICF) plasmas
    journal, January 2020

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