Kinetic modifications to the MHD ballooning mode

Kinetic modifications to the MHD ballooning mode
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MHD 气球模式的动力学修改

DOI:
10.1088/0029-5515/21/6/004
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发表时间:
1981
期刊:
影响因子:
3.3
通讯作者:
K. Hesketh
K. Hesketh
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
R. Hastie;K. Hesketh

文献摘要

被引文献

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对于大长径比圆截面托卡马克平衡,研究了有限离子Larmor半径平均和离子朗道阻尼对气球模的影响。-有限拉莫尔半径效应对FLR参数KAI的小取值有微弱的反稳定作用,但对KAI∼0.5时有较强的稳定化作用。然而,在较短的波长下,由反离子朗道衰减驱动的残余不稳定性仍然存在(KAI>0.5)。
The effect of finite-ion-Larmor-radius averaging and of ion Landau damping on ballooning modes is investigated for a large-aspect-ratio circular-cross-section tokamak equilibrium. – Finite-Larmorradius (FLR) effects are found to be weakly de-stabilizing for small values of the FLR parameter kai, but become strongly stabilizing for kai ∼ 0.5. A residual instability driven by inverse ion Landau damping persists, however, at shorter wavelengths (kai > 0.5).