Geometric effects on drift wave stability in advanced stellarators

被引：25

作者：

Kendl, A ^{[1
]}

Wobig, H ^{[1
]}

机构：

[1] EURATOM, Max Planck Inst Plasmaphys, D-85748 Garching, Germany

来源：

PHYSICS OF PLASMAS | 1999年 / 6卷 / 12期

关键词：

D O I：

10.1063/1.873758

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：

The linear stability of electrostatic drift waves in three-dimensional helical advanced stellarator (Helias) configurations is investigated. Effects of local geometrical properties and optimization due to reduction of Pfirsch-Schluter currents on drift waves are discussed in a comparative numerical study for various configurations of Helias stellarators. The ballooning mode representation is used both for a basic approach with arbitrary nonadiabaticity and perturbatively for the more realistic dissipative trapped electron regime. Mode number spectra and linear growth rates are obtained with an eigenvalue code for three-dimensional equilibria. Local shear properties are found to have considerable influence on stability. (C) 1999 American Institute of Physics. [S1070-664X(99)04412-2].

引用

页码：4714 / 4721

页数：8

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