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Title: Mitigation of X-ray shadow seeding of hydrodynamic instabilities on inertial confinement fusion capsules using a reduced diameter fuel fill-tube

Abstract

We report a reduced X-ray shadow imprint of hydrodynamic instabilities on the high-density carbon ablator surface of inertial confinement fusion (ICF) capsules using a reduced diameter fuel fill tube on the National Ignition Facility (NIF). The perturbation seed mass from hydrodynamic instabilities was reduced by approximately an order of magnitude by reducing both the diameter and wall thickness of the fill tube by ~2×, consistent with analytical estimates. Overall, this work demonstrates a successful mitigation strategy for engineered features for ICF implosions on the NIF.

Authors:
ORCiD logo [1];  [1]; ORCiD logo [1];  [1];  [1];  [2];  [1];  [1]; ORCiD logo [2]; ORCiD logo [2];  [1];  [1];  [1];  [2];  [1];  [1]; ORCiD logo [1];  [2];  [1];  [3]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. General Atomics, San Diego, CA (United States)
  3. Diamond Materials GmbH, Freiburg (Germany)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1718988
Report Number(s):
LLNL-JRNL-739734
Journal ID: ISSN 1070-664X; 893576
Grant/Contract Number:  
AC52-07NA27344; NA0001808
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 25; Journal Issue: 5; 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; Fluid instabilities; plasma confinement; radiography; x-rays

Citation Formats

MacPhee, A. G., Smalyuk, V. A., Landen, O. L., Weber, C. R., Robey, H. F., Alfonso, E. L., Biener, J., Bunn, T., Crippen, J. W., Farrell, M., Felker, S., Field, J. E., Hsing, W. W., Kong, C., Milovich, J., Moore, A., Nikroo, A., Rice, N., Stadermann, M., and Wild, C. Mitigation of X-ray shadow seeding of hydrodynamic instabilities on inertial confinement fusion capsules using a reduced diameter fuel fill-tube. United States: N. p., 2018. Web. doi:10.1063/1.5025183.
MacPhee, A. G., Smalyuk, V. A., Landen, O. L., Weber, C. R., Robey, H. F., Alfonso, E. L., Biener, J., Bunn, T., Crippen, J. W., Farrell, M., Felker, S., Field, J. E., Hsing, W. W., Kong, C., Milovich, J., Moore, A., Nikroo, A., Rice, N., Stadermann, M., & Wild, C. Mitigation of X-ray shadow seeding of hydrodynamic instabilities on inertial confinement fusion capsules using a reduced diameter fuel fill-tube. United States. https://doi.org/10.1063/1.5025183
MacPhee, A. G., Smalyuk, V. A., Landen, O. L., Weber, C. R., Robey, H. F., Alfonso, E. L., Biener, J., Bunn, T., Crippen, J. W., Farrell, M., Felker, S., Field, J. E., Hsing, W. W., Kong, C., Milovich, J., Moore, A., Nikroo, A., Rice, N., Stadermann, M., and Wild, C. Mon . "Mitigation of X-ray shadow seeding of hydrodynamic instabilities on inertial confinement fusion capsules using a reduced diameter fuel fill-tube". United States. https://doi.org/10.1063/1.5025183. https://www.osti.gov/servlets/purl/1718988.
@article{osti_1718988,
title = {Mitigation of X-ray shadow seeding of hydrodynamic instabilities on inertial confinement fusion capsules using a reduced diameter fuel fill-tube},
author = {MacPhee, A. G. and Smalyuk, V. A. and Landen, O. L. and Weber, C. R. and Robey, H. F. and Alfonso, E. L. and Biener, J. and Bunn, T. and Crippen, J. W. and Farrell, M. and Felker, S. and Field, J. E. and Hsing, W. W. and Kong, C. and Milovich, J. and Moore, A. and Nikroo, A. and Rice, N. and Stadermann, M. and Wild, C.},
abstractNote = {We report a reduced X-ray shadow imprint of hydrodynamic instabilities on the high-density carbon ablator surface of inertial confinement fusion (ICF) capsules using a reduced diameter fuel fill tube on the National Ignition Facility (NIF). The perturbation seed mass from hydrodynamic instabilities was reduced by approximately an order of magnitude by reducing both the diameter and wall thickness of the fill tube by ~2×, consistent with analytical estimates. Overall, this work demonstrates a successful mitigation strategy for engineered features for ICF implosions on the NIF.},
doi = {10.1063/1.5025183},
url = {https://www.osti.gov/biblio/1718988}, journal = {Physics of Plasmas},
issn = {1070-664X},
number = 5,
volume = 25,
place = {United States},
year = {2018},
month = {5}
}

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Works referenced in this record:

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    Works referencing / citing this record:

    Hydrodynamic instabilities seeded by the X-ray shadow of ICF capsule fill-tubes
    journal, August 2018


    Robustness to hydrodynamic instabilities in indirectly driven layered capsule implosions
    journal, January 2019


    Approaching a burning plasma on the NIF
    journal, May 2019


    Three-dimensional modeling and hydrodynamic scaling of National Ignition Facility implosions
    journal, May 2019


    Making inertial confinement fusion models more predictive
    journal, August 2019


    Computational study of instability and fill tube mitigation strategies for double shell implosions
    journal, October 2019


    Mixing in ICF implosions on the National Ignition Facility caused by the fill-tube
    journal, March 2020


    Beyond alpha-heating: driving inertially confined fusion implosions toward a burning-plasma state on the National Ignition Facility
    journal, November 2018


    Progress of indirect drive inertial confinement fusion in the United States
    journal, July 2019