Moment approach to the bootstrap current in nonaxisymmetric toroidal plasmas using δf Monte Carlo methods

被引：6

作者：

Matsuyama, A. ^{[1
]}

Isaev, M. Yu. ^{[2
]}

Watanabe, K. Y. ^{[3
]}

Hanatani, K. ^{[4
]}

Suzuki, Y. ^{[3
]}

Nakajima, N. ^{[3
]}

Cooper, W. A. ^{[5
]}

Tran, T. M. ^{[5
]}

机构：

[1] Kyoto Univ, Grad Sch Energy Sci, Kyoto 6110011, Japan

[2] RRC Kurchatov Inst, Nucl Fus Inst, Moscow 123182, Russia

[3] Natl Inst Nat Sci, Natl Inst Fus Sci, Toki, Gifu 5095292, Japan

[4] Kyoto Univ, Inst Adv Energy, Kyoto 6110011, Japan

[5] Ecole Polytech Fed Lausanne, Ctr Rech Phys Plasmas, Assoc Euratom Suisse, CH-1015 Lausanne, Switzerland

来源：

PHYSICS OF PLASMAS | 2009年 / 16卷 / 05期

基金：

瑞士国家科学基金会;

关键词：

method of moments; Monte Carlo methods; plasma collision processes; plasma kinetic theory; plasma simulation; plasma toroidal confinement; plasma transport processes; stellarators; LARGE HELICAL DEVICE; NEOCLASSICAL TRANSPORT; COEFFICIENTS; SYSTEMS; COLLISIONALITY; CONFIGURATIONS; STELLARATORS; CONFINEMENT; IMPURITIES; SIMULATION;

D O I：

10.1063/1.3121223

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

To evaluate the bootstrap current in nonaxisymmetric toroidal plasmas quantitatively, a delta f Monte Carlo method is incorporated into the moment approach. From the drift-kinetic equation with the pitch-angle scattering collision operator, the bootstrap current and neoclassical conductivity coefficients are calculated. The neoclassical viscosity is evaluated from these two monoenergetic transport coefficients. Numerical results obtained by the delta f Monte Carlo method for a model heliotron are in reasonable agreement with asymptotic formulae and with the results obtained by the variational principle.

引用

页数：9

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