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Title: Symmetry tuning of a near one-dimensional 2-shock platform for code validation at the National Ignition Facility

Abstract

Here, we introduce a new quasi 1-D implosion experimental platform at the National Ignition Facility designed to validate physics models as well as to study various Inertial Confinement Fusion aspects such as implosion symmetry, convergence, hydrodynamic instabilities, and shock timing. The platform has been developed to maintain shell sphericity throughout the compression phase and produce a round hot core at stagnation. This platform utilizes a 2-shock 1 MJ pulse with 340 TW peak power in a near-vacuum AuHohlraum and a CH ablator capsule uniformly doped with 1% Si. We also performed several inflight radiography, symmetry capsule, and shock timing experiments in order to tune the symmetry of the capsule to near round throughout several epochs of the implosion. Finally, adjusting the relative powers of the inner and outer cones of beams has allowed us to control the drive at the poles and equator of the capsule, thus providing the mechanism to achieve a spherical capsule convergence. Details and results of the tuning experiments are described.

Authors:
 [1];  [1];  [1];  [1];  [2];  [1];  [1];  [1];  [1];  [1];  [1];  [3];  [1];  [1];  [1];  [1];  [1];  [1]; ORCiD logo [1];  [1] more »;  [1];  [2]; ORCiD logo [1];  [1];  [1] « less
+ Show Author Affiliations
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Stanford Univ., CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1258536
Alternate Identifier(s):
OSTI ID: 1249618
Report Number(s):
LLNL-JRNL-678736
Journal ID: ISSN 1070-664X; PHPAEN
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 23; Journal Issue: 4; Journal ID: ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 70 PLASMA PHYSICS AND FUSION

Citation Formats

Khan, S. F., MacLaren, S. A., Salmonson, J. D., Ma, T., Kyrala, G. A., Pino, J. E., Rygg, J. R., Field, J. E., Tommasini, R., Ralph, J. E., Turnbull, D. P., Mackinnon, A. J., Baker, K. L., Benedetti, L. R., Bradley, D. K., Celliers, P. M., Dewald, E. L., Dittrich, T. R., Berzak Hopkins, L., Izumi, N., Kervin, M. L., Kline, J. L., Nagel, S. R., Pak, A., and Tipton, R. E. Symmetry tuning of a near one-dimensional 2-shock platform for code validation at the National Ignition Facility. United States: N. p., 2016. Web. doi:10.1063/1.4947223.
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Khan, S. F., MacLaren, S. A., Salmonson, J. D., Ma, T., Kyrala, G. A., Pino, J. E., Rygg, J. R., Field, J. E., Tommasini, R., Ralph, J. E., Turnbull, D. P., Mackinnon, A. J., Baker, K. L., Benedetti, L. R., Bradley, D. K., Celliers, P. M., Dewald, E. L., Dittrich, T. R., Berzak Hopkins, L., Izumi, N., Kervin, M. L., Kline, J. L., Nagel, S. R., Pak, A., & Tipton, R. E. Symmetry tuning of a near one-dimensional 2-shock platform for code validation at the National Ignition Facility. United States. https://doi.org/10.1063/1.4947223
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Khan, S. F., MacLaren, S. A., Salmonson, J. D., Ma, T., Kyrala, G. A., Pino, J. E., Rygg, J. R., Field, J. E., Tommasini, R., Ralph, J. E., Turnbull, D. P., Mackinnon, A. J., Baker, K. L., Benedetti, L. R., Bradley, D. K., Celliers, P. M., Dewald, E. L., Dittrich, T. R., Berzak Hopkins, L., Izumi, N., Kervin, M. L., Kline, J. L., Nagel, S. R., Pak, A., and Tipton, R. E. Wed . "Symmetry tuning of a near one-dimensional 2-shock platform for code validation at the National Ignition Facility". United States. https://doi.org/10.1063/1.4947223. https://www.osti.gov/servlets/purl/1258536.
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@article{osti_1258536,
title = {Symmetry tuning of a near one-dimensional 2-shock platform for code validation at the National Ignition Facility},
author = {Khan, S. F. and MacLaren, S. A. and Salmonson, J. D. and Ma, T. and Kyrala, G. A. and Pino, J. E. and Rygg, J. R. and Field, J. E. and Tommasini, R. and Ralph, J. E. and Turnbull, D. P. and Mackinnon, A. J. and Baker, K. L. and Benedetti, L. R. and Bradley, D. K. and Celliers, P. M. and Dewald, E. L. and Dittrich, T. R. and Berzak Hopkins, L. and Izumi, N. and Kervin, M. L. and Kline, J. L. and Nagel, S. R. and Pak, A. and Tipton, R. E.},
abstractNote = {Here, we introduce a new quasi 1-D implosion experimental platform at the National Ignition Facility designed to validate physics models as well as to study various Inertial Confinement Fusion aspects such as implosion symmetry, convergence, hydrodynamic instabilities, and shock timing. The platform has been developed to maintain shell sphericity throughout the compression phase and produce a round hot core at stagnation. This platform utilizes a 2-shock 1 MJ pulse with 340 TW peak power in a near-vacuum AuHohlraum and a CH ablator capsule uniformly doped with 1% Si. We also performed several inflight radiography, symmetry capsule, and shock timing experiments in order to tune the symmetry of the capsule to near round throughout several epochs of the implosion. Finally, adjusting the relative powers of the inner and outer cones of beams has allowed us to control the drive at the poles and equator of the capsule, thus providing the mechanism to achieve a spherical capsule convergence. Details and results of the tuning experiments are described.},
doi = {10.1063/1.4947223},
journal = {Physics of Plasmas},
number = 4,
volume = 23,
place = {United States},
year = {Wed Apr 27 00:00:00 EDT 2016},
month = {Wed Apr 27 00:00:00 EDT 2016}
}
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https://doi.org/10.1063/1.4947223
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Works referenced in this record:

The effects of early time laser drive on hydrodynamic instability growth in National Ignition Facility implosions
journal, September 2014

  • Peterson, J. L.; Clark, D. S.; Masse, L. P.
  • Physics of Plasmas, Vol. 21, Issue 9
  • DOI: 10.1063/1.4896708

Symmetry tuning for ignition capsules via the symcap technique
journal, May 2011

  • Kyrala, G. A.; Kline, J. L.; Dixit, S.
  • Physics of Plasmas, Vol. 18, Issue 5
  • DOI: 10.1063/1.3574504

Extracting core shape from x-ray images at the National Ignition Facility
journal, October 2012

  • Glenn, S. M.; Benedetti, L. R.; Bradley, D. K.
  • Review of Scientific Instruments, Vol. 83, Issue 10
  • DOI: 10.1063/1.4731743

First High-Convergence Cryogenic Implosion in a Near-Vacuum Hohlraum
journal, April 2015

Tent-induced perturbations on areal density of implosions at the National Ignition Facilitya)
journal, May 2015

  • Tommasini, R.; Field, J. E.; Hammel, B. A.
  • Physics of Plasmas, Vol. 22, Issue 5
  • DOI: 10.1063/1.4921218

Imaging VISAR diagnostic for the National Ignition Facility (NIF)
conference, March 2005

  • Malone, Robert M.; Bower, John R.; Bradley, David K.
  • 26th International Congress on High-Speed Photography and Photonics, SPIE Proceedings
  • DOI: 10.1117/12.579285

Large Glass Shells from GDP Shells
journal, July 2000

High performance imaging streak camera for the National Ignition Facility
journal, December 2012

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  • DOI: 10.1063/1.4769753

A study of ALE simulations of Rayleigh–Taylor instability
journal, March 2001

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  • Computer Physics Communications, Vol. 135, Issue 1
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Detailed implosion modeling of deuterium-tritium layered experiments on the National Ignition Facility
journal, May 2013

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  • Physics of Plasmas, Vol. 20, Issue 5
  • DOI: 10.1063/1.4802194

A survey of pulse shape options for a revised plastic ablator ignition design
journal, November 2014

  • Clark, D. S.; Milovich, J. L.; Hinkel, D. E.
  • Physics of Plasmas, Vol. 21, Issue 11
  • DOI: 10.1063/1.4901572

Performance of High-Convergence, Layered DT Implosions with Extended-Duration Pulses at the National Ignition Facility
journal, November 2013

Precision Shock Tuning on the National Ignition Facility
journal, May 2012

Effect of the mounting membrane on shape in inertial confinement fusion implosions
journal, February 2015

  • Nagel, S. R.; Haan, S. W.; Rygg, J. R.
  • Physics of Plasmas, Vol. 22, Issue 2
  • DOI: 10.1063/1.4907179

Imaging of high-energy x-ray emission from cryogenic thermonuclear fuel implosions on the NIF
journal, October 2012

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  • DOI: 10.1063/1.4733313

Point design targets, specifications, and requirements for the 2010 ignition campaign on the National Ignition Facility
journal, May 2011

  • Haan, S. W.; Lindl, J. D.; Callahan, D. A.
  • Physics of Plasmas, Vol. 18, Issue 5
  • DOI: 10.1063/1.3592169

The National Ignition Facility
journal, December 2004

Gated x-ray detector for the National Ignition Facility
journal, October 2006

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Metrics for long wavelength asymmetries in inertial confinement fusion implosions on the National Ignition Facility
journal, April 2014

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Tuning the Implosion Symmetry of ICF Targets via Controlled Crossed-Beam Energy Transfer
journal, January 2009

2D X-Ray Radiography of Imploding Capsules at the National Ignition Facility
journal, May 2014

Reconstruction of 2D x-ray radiographs at the National Ignition Facility using pinhole tomography (invited)
journal, November 2014

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Inference of mix in direct-drive implosions on OMEGA
journal, May 2002

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  • DOI: 10.1063/1.1459452

Capsule Ablator Inflight Performance Measurements Via Streaked Radiography Of ICF Implosions On The NIF*
journal, March 2016

Implosion dynamics measurements at the National Ignition Facility
journal, December 2012

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  • Physics of Plasmas, Vol. 19, Issue 12
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Three‐dimensional simulations of Nova high growth factor capsule implosion experiments
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  • DOI: 10.1063/1.872004

Improved Performance of High Areal Density Indirect Drive Implosions at the National Ignition Facility using a Four-Shock Adiabat Shaped Drive
journal, September 2015

Novel Characterization of Capsule X-Ray Drive at the National Ignition Facility
journal, March 2014

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    Works referencing / citing this record:

    Zonal flow generation in inertial confinement fusion implosions
    journal, March 2017

    • Peterson, J. L.; Humbird, K. D.; Field, J. E.
    • Physics of Plasmas, Vol. 24, Issue 3
    • DOI: 10.1063/1.4977912

    A near one-dimensional indirectly driven implosion at convergence ratio 30
    journal, May 2018

    • MacLaren, S. A.; Masse, L. P.; Czajka, C. E.
    • Physics of Plasmas, Vol. 25, Issue 5
    • DOI: 10.1063/1.5017976

    Using a 2-shock 1D platform at NIF to measure the effect of convergence on mix and symmetry
    journal, October 2018

    • Kyrala, G. A.; Pino, J. E.; Khan, S. F.
    • Physics of Plasmas, Vol. 25, Issue 10
    • DOI: 10.1063/1.5038570

    Implosion shape control of high-velocity, large case-to-capsule ratio beryllium ablators at the National Ignition Facility
    journal, July 2018

    • Loomis, E. N.; Yi, S. A.; Kyrala, G. A.
    • Physics of Plasmas, Vol. 25, Issue 7
    • DOI: 10.1063/1.5040995

    The Crystal Backlighter Imager: A spherically bent crystal imager for radiography on the National Ignition Facility
    journal, January 2019

    • Hall, G. N.; Krauland, C. M.; Schollmeier, M. S.
    • Review of Scientific Instruments, Vol. 90, Issue 1
    • DOI: 10.1063/1.5058700

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

    • Haines, Brian M.; Olson, R. E.; Sweet, W.
    • Physics of Plasmas, Vol. 26, Issue 1
    • DOI: 10.1063/1.5080262

    Using cylindrical implosions to investigate hydrodynamic instabilities in convergent geometry
    journal, November 2019

    • Sauppe, J. P.; Palaniyappan, S.; Loomis, E. N.
    • Matter and Radiation at Extremes, Vol. 4, Issue 6
    • DOI: 10.1063/1.5090999

    Pushered single shell implosions for mix and radiation trapping studies using high-Z layers on National Ignition Facility
    journal, July 2019

    • Dewald, E. L.; Pino, J. E.; Tipton, R. E.
    • Physics of Plasmas, Vol. 26, Issue 7
    • DOI: 10.1063/1.5109426

    Indirect drive ignition at the National Ignition Facility
    journal, October 2016

    Capsule modeling of high foot implosion experiments on the National Ignition Facility
    journal, March 2017

    • Clark, D. S.; Kritcher, A. L.; Milovich, J. L.
    • Plasma Physics and Controlled Fusion, Vol. 59, Issue 5
    • DOI: 10.1088/1361-6587/aa6216
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