Distortion of bulk-ion distribution function due to nuclear elastic scattering and its effect on T(d,n) He4 reaction rate coefficient in neutral-beam-injected deuterium-tritium plasmas

H. Matsuura, Y. Nakao

研究成果: ジャーナルへの寄稿学術誌査読

9 被引用数 (Scopus)

抄録

An effect of nuclear elastic scattering on the rate coefficient of fusion reaction between field deuteron and triton in the presence of neutral beam injection heating is studied. Without assuming a Maxwellian for bulk-ion distribution function, the Boltzmann-Fokker-Planck (BFP) equations for field (bulk) deuteron, field (bulk) triton, α -particle, and beam deuteron are simultaneously solved in an ITER-like deuterium-tritium thermonuclear plasma [R. Aymar, Fusion Eng. Des. 55, 107 (2001)]. The BFP calculation shows that enhancement of the reaction rate coefficient due to knock-on tail formation in fuel-ion distribution functions becomes appreciable, especially in the case of low-density operations.

本文言語英語
論文番号054504
ジャーナルPhysics of Plasmas
14
5
DOI
出版ステータス出版済み - 2007

!!!All Science Journal Classification (ASJC) codes

  • 凝縮系物理学

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