EFFECT OF PLASMA CURRENT ON MAGNETOHYDRODYNAMIC MODES IN NEUTRAL BEAM HEATED PLASMAS IN COMPACT HELICAL SYSTEM

被引：5
|
作者：
SAKAKIBARA, S [1 ]
YAMADA, H [1 ]
TOI, K [1 ]
EJIRI, A [1 ]
ANDO, A [1 ]
IGUCHI, H [1 ]
MATSUOKA, K [1 ]
MORITA, S [1 ]
MOTOJIMA, O [1 ]
NISHIMURA, K [1 ]
OKAMURA, S [1 ]
TANAKA, K [1 ]
机构：
[1] NATL INST FUS SCI, NAGOYA, AICHI 46401, JAPAN
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1995年 / 34卷 / 2B期
关键词：
OHMIC HEATING CURRENT; MHD INSTABILITY; INTERCHANGE MODE; MAGNETIC FLUCTUATION; CHS;
D O I：
10.1143/JJAP.34.L252
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Effects of the net toroidal plasma currents on magnetohydrodynamic (MHD) modes have been investigated in neutral beam heated plasmas with the control of ohmic current. The characteristics of experimental observations are discussed in comparison with the calculated 3-D equilibria. The resonant modes are destabilized hy the change of magnetic configuration due to the induced current in the co-direction. The modes with m/n=2/1 and 3/2 abruptly disappear at the specific current, which is consistent with the disappearance of the resonant surfaces, The behavior of these modes is phenomenologically consistent with that of the interchange made.
引用
收藏
页码：L252 / L255
页数：4
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