Self-consistent analysis of steady state Tokamaks sustained by beam-driven and bootstrap currents

Self-consistent analysis of steady state Tokamaks sustained by beam-driven and bootstrap currents
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束流驱动和自举电流维持稳态托卡马克的自洽分析

DOI:
10.1088/0741-3335/32/4/001
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发表时间:
1990
影响因子:
2.2
通讯作者:
H. Naitou
H. Naitou
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
K. Okano;Y. Ogawa;H. Naitou

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中等尺寸(R0=4.55 m)的束流驱动稳态托卡马克通过优化束流驱动分析代码进行分析,该代码始终包括 MHD 平衡、扭结和膨胀稳定性分析、自举电流、全局功率平衡和环形动量平衡计算。达到的最大 Q 值是 Q=7-9,聚变功率 Pf=500-800 MW。 Kaye-Goldston 缩放给出的 L 模式限制足以维持稳态条件。由于自举电流和束流驱动托卡马克的 Ti>Te 特性,Q 值几乎翻倍。最佳光束能量为 1.0-1.2 MeV,环形旋转效应可以忽略不计。
Beam-driven steady state Tokamaks of moderate size (R0=4.55 m) are analyzed by an optimizing beam current drive analysis code, which consistently includes MHD equilibrium, kink and ballooning stability analysis, bootstrap current, global power balance and toroidal momentum balance calculations. The maximum Q values attained are Q=7-9 with fusion powers of Pf=500-800 MW. L-mode confinement given by Kaye-Goldston scaling is sufficient to sustain steady state conditions. The Q value is nearly doubled due to the bootstrap current and the Ti>Te feature of beam-driven Tokamaks. The optimum beam energy is 1.0-1.2 MeV and the toroidal rotation effects are negligible.
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