OBSERVATION OF NONLINEAR NEOCLASSICAL PRESSURE-GRADIENT-DRIVEN TEARING MODES IN TFTR

被引：384

作者：

CHANG, Z ^{[1
]}

CALLEN, JD ^{[1
]}

FREDRICKSON, ED ^{[1
]}

BUDNY, RV ^{[1
]}

HEGNA, CC ^{[1
]}

MCGUIRE, KM ^{[1
]}

ZARNSTORFF, MC ^{[1
]}

机构：

[1] UNIV WISCONSIN,DEPT NUCL ENGN & ENGN PHYS,MADISON,WI 53706

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 23期

关键词：

D O I：

10.1103/PhysRevLett.74.4663

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A detailed comparison is made between the tearing-type modes observed in TFTR supershot plasmas and the nonlinear, neoclassical pressure-gradient-driven tearing mode theory. Good agreement is found on the nonlinear evolution of single helicity magnetic islands (m/n=3/2, 4/3, or 5/4, where m and n are the poloidal and toroidal mode numbers, respectively). The saturation of these neoclassical tearing-type modes requires Δ′<0 (where Δ′ is the well-known parameter for classical current-driven tearing instability), which is also consistent with the numerical calculation using the experimental data. © 1995 The American Physical Society.

引用

页码：4663 / 4666

页数：4

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