Controlled optimization of mode conversion from electron Bernstein waves to extraordinary mode in magnetized plasma.

Controlled optimization of mode conversion from electron Bernstein waves to extraordinary mode in magnetized plasma.
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磁化等离子体中从电子伯恩斯坦波到异常模式的模式转换的受控优化。

DOI:
10.1103/physrevlett.90.165001
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发表时间:
2003
影响因子:
8.6
通讯作者:
A. Ram
A. Ram
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
B. Jones;P. Efthimion;G. Taylor;T. Munsat;J. Wilson;J. Hosea;R. Kaita;R. Majeski;R. Maingi;S. Shiraiwa;J. Spaleta;A. Ram

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在CDX-U球形环面,辐射温度和汤姆逊散射电子温度分布之间的协议表示约100%的热发射电子伯恩斯坦波的转换为X模式。这是通过在最后一个闭合通量表面之外用局部限制器控制转换区域中的电子密度标度长度(L(n))来实现的,将L(n)缩短到最佳转换的理论所需值。从对称的转换过程中,加热和电流驱动的情况下,有效的耦合的前景得到了有力的支持。
In the CDX-U spherical torus, agreement between radiation temperature and Thomson scattering electron temperature profiles indicates approximately 100% conversion of thermally emitted electron Bernstein waves to the X mode. This has been achieved by controlling the electron density scale length (L(n)) in the conversion region with a local limiter outside the last closed flux surface, shortening L(n) to the theoretically required value for optimal conversion. From symmetry of the conversion process, prospects for efficient coupling in heating and current drive scenarios are strongly supported.
DOI: 10.1093/pnasnexus/pgad059
发表时间: 2023-04
期刊: PNAS nexus
影响因子: --
作者:
Kanzaki Y;Planavsky NJ;Reinhard CT
通讯作者: Reinhard CT