Calculational Method for Neutron Heatingin Dense Plasma Systems, (II) Application to Burning D-T Pellets.

  • NAKAO Yasuyuki
    Department of Nuclear Engineering, Kyushu University
  • HONDA Takuro
    Department of Nuclear Engineering, Kyushu University Energy Research Laboratory, Hitachi Ltd.
  • FUJITA Masaki
    Department of Nuclear Engineering, Kyushu University Nagasaki Works, Mitsubishi Electric Co.
  • NAKASHIMA Hideki
    Department of Energy Conversion Engineering, Kyushu University
  • ODA Akinori
    Department of Nuclear Engineering, Kyushu University
  • KUDO Kazuhiko
    Department of Nuclear Engineering, Kyushu University
  • OHTA Masao
    Kyushu Teikyo Junior College

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Other Title
  • Application to Burning D-T Pellets

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Description

The effect of neutron heating on the burn characteristics of inertial confinement fusion pellets is investigated by applying the calculational method developed in an earlier paper (Part I). The basic equations are time-dependent transport equations for fusion neutrons and recoil ions, being written in terms of the modified Eulerian coordinates originally proposed by Wienke (1974). After incorporating these equations into the one-dimensional hydrodynamics code MEDUSA, burn simulations are made for isobaric D-T pellets models compressed to 1, 000 times the liquid density. It is found that in reactor-grade pellets, the inclusion of neutron heating decreases the fuel gain from the values obtained by neglecting the neutron heating. Calculations neglecting the energy transport by recoil ions overestimate the neutron energy deposition to plasma ions. The energy spectrum of neutrons emitted out of a typical D-T burning pellet is also shown. These neutrons contain fast components whose energies reach more than 20MeV.

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Details 詳細情報について

  • CRID
    1390282679072807552
  • NII Article ID
    130000825778
  • DOI
    10.3327/jnst.30.1207
  • COI
    1:CAS:528:DyaK2cXmsVWgsQ%3D%3D
  • ISSN
    18811248
    00223131
  • Text Lang
    en
  • Data Source
    • JaLC
    • Crossref
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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