Impact of Three-Dimensional Hot-Spot Flow Asymmetry on Ion-Temperature Measurements in Inertial Confinement Fusion Experiments

ORAL

Abstract

Three-dimensional implosion asymmetries lead to significant ion-temperature measurement variations in inertial confinement fusion experiments. We have developed an analytical method to generalize the physical properties of velocity variance in the Brysk ion temperature model. The hot-spot flow asymmetry on ion-temperature measurement variations are shown uniquely governed by a complete set of six hot-spot flow parameters in terms of variance and co-variance of the hot-spot flow velocity distribution. An approximated solution to the minimum inferred ion temperature is derived and is shown close to the thermal ion temperature for low-mode ℓ = 1, which exhibits the largest an-isotropic velocity variance in the single-mode spectrum. The isotropic velocity variance for low‑mode ℓ = 2 is shown causing minimum inferred ion temperatures well above the thermal ion temperature.

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Presenters

  • Ka Ming Woo

    Lab for Laser Energetics

Authors

  • Ka Ming Woo

    Lab for Laser Energetics

  • Riccardo Betti

    Univ of Rochester, Laboratory for Laser Energetics, Laboratory for Laser Energetics, University of Rochester, Lab for Laser Energetics, Univ of Rochester, Univ of Rochester, Univ of Rochester, University of Rochester and Laboratory for Laser Energetics

  • Dov Shvarts

    Nuclear Research Center Negev, Israel, Ben Gurion University of the Negev, Israel, Nuclear Research Center NEGEV, Israel, Ben-Gurion University, Israel, NRCN, Ben-Gurion University of the Negev, Ben Gurion Univ of the Negev

  • Owen M. Mannion

    Lab for Laser Energetics, Lab for Laser Energetics, Univ of Rochester

  • Dhrumir P Patel

    Lab for Laser Energetics, Univ of Rochester, Univ of Rochester

  • Valeri N Goncharov

    Univ of Rochester, Laboratory for Laser Energetics, Laboratory for Laser Energetics, University of Rochester, Laboratory for Laser Energetics U. of Rochester, University of Rochester, Laboratory for Laser Energetics, U. of Rochester, Lab for Laser Energetics

  • Kenneth S. Anderson

    Lab for Laser Energetics, Lab for Laser Energetics, Univ of Rochester

  • Radha Bahukutumbi

    Laboratory for Laser Energetics, University of Rochester, Laboratory for Laser Energetics U. of Rochester, University of Rochester, Univ of Rochester, Laboratory for Laser Energetics, U. of Rochester, Laboratory for Laser Energetics, U. of Rochester, Laboratory for Laser Energetics, U. of Rochester, Lab for Laser Energetics, Univ of Rochester

  • James P Knauer

    Univ of Rochester, Laboratory for Laser Energetics, Laboratory for Laser Energetics, University of Rochester, Laboratory for Laser Energetics U. of Rochester, Lab for Laser Energetics, Lab for Laser Energetics, Univ of Rochester, University of Rochester

  • Arijit Bose

    Laboratory for Laser Energetics, U. of Rochester, Univ of Rochester

  • Varchas Gopalaswamy

    Lab for Laser Energetics, Laboratory for Laser Energetics U. of Rochester, Lab for Laser Energetics, Univ of Rochester

  • Alison R Christopherson

    Univ of Rochester, Lab for Laser Energetics, Laboratory for Laser Energetics, University of Rochester

  • E. M. M. Campell

    Laboratory for Laser Energetics, Laboratory for Laser Energetics U. of Rochester, Laboratory for Laser Energetics, University of Rochester, University of Rochester, Lab for Laser Energetics

  • J. Sanz

    Universidad Politecnica de Madrid

  • Hussein Aluie

    Univ of Rochester