Complete stabilization of neoclassical tearing modes with lower hybrid current drive on COMPASS-D

被引：52

作者：

Warrick, CD ^{[1
]}

Buttery, RJ ^{[1
]}

Cunningham, G ^{[1
]}

Fielding, SJ ^{[1
]}

Hender, TC ^{[1
]}

Lloyd, B ^{[1
]}

Morris, AW ^{[1
]}

O'Brien, MR ^{[1
]}

Pinfold, T ^{[1
]}

Stammers, K ^{[1
]}

Valovic, M ^{[1
]}

Walsh, M ^{[1
]}

Wilson, HR ^{[1
]}

机构：

[1] UKAEA Euratom Fus Assoc, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 03期

关键词：

D O I：

10.1103/PhysRevLett.85.574

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Lower hybrid current drive (LHCD) with modest powers (similar to 10% of the total power input) has been used for the first time to completely stabilize performance limiting neoclassical tearing modes in many COMPASS-D tokamak discharges. The stabilizing effect in these experiments is consistent with a reduction in the free energy available in the current profile to drive tearing modes (i.e., the stability index, Delta') resulting from favorable current gradients (from the LHCD driven current around the rational surface.

引用

页码：574 / 577

页数：4

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