A stable corridor for toroidal plasma compression

D. P. Brennan

doi:10.1088/1741-4326/abe68c

2021-03-22

DOI：10.1088/1741-4326/abe68c

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摘要

En 中文

分析了由坍塌的通量保持器压缩的环形等离子体，以揭示高压缩比的稳定运行方案。电阻和理想的MHD稳定性是在全环形几何中计算的，在现实条件下使用渐近匹配方法，并与非线性模拟进行比较。由于最不稳定模式的极向分量之间的耦合，在压缩过程中由环形场斜坡控制的近边缘电流分布被证明对稳定性至关重要。还发现轴的长度在轴上的延伸在高压缩下是关键的，因为磁场中产生的良好曲率区域稳定了压力驱动模式，否则该模式将是不稳定的。这项工作从先前的研究扩展到最初显示稳定场景的存在，包括更广泛的稳定区域的发现，几何形状的详细影响以及不稳定性的非线性模拟。压缩的非线性模拟与线性分析一致，证实了守恒和稳定性。

Keyword:

magnetized target fusion

magnetohydrodynamics

stability

toroidal compression

期刊

Nuclear Fusion

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9.4K

被引数:

2.2W

机构

Princeton University

学者数:

2.1W

论文数: 2.3W

被引数: 5.1W

Princeton Plasma Physics Laboratory

学者数:

919

论文数: 646

被引数: 1.1K

united states department of energy (doe)

学者数:

11.3W

论文数: 9.6W

被引数: 246

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