Steady-state hollow electron temperature profiles in the Rijnhuizen Tokamak Project.
Steady-state hollow electron temperature profiles in the Rijnhuizen Tokamak Project.
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Rijnhuizen 托卡马克项目中的稳态空心电子温度分布。
DOI：
10.1103/physrevlett.76.632
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发表时间：
1996
影响因子：
8.6
通讯作者：
Rommers
中科院分区：
文献类型：
--
作者：
Hogeweij;Oomens;Barth;Beurskens;Chu;van Gelder JF;Lok;Lopes Cardozo NJ;Pijper;Polman;Rommers
在Rijnhuizen托卡马克项目中，通过强烈的离轴电子回旋加热，维持了稳态中空电子温度({italT}{sub{itale}})分布，形成了一个反向磁剪切区。在高密度等离子体中，该区域的有效电子热扩散率({chi}{subite}}{sup{italPB}})接近新经典。对于中等密度，{chi}{subitale}{sup{italpb}}低于新古典主义，甚至可能是负的，这表明输运矩阵中的非对角线元素驱动电子热流沿{italT}{sub{itale}}梯度向上。{版权所有}{1996年美国物理学会。}
In the Rijnhuizen Tokamak Project steady-state hollow electron temperature ({ital T}{sub {ital e}}) profiles have been sustained with strong off-axis electron cyclotron heating, creating a region of reversed magnetic shear. In this region the effective electron thermal diffusivity ({chi}{sub {ital e}}{sup {ital pb}}) is close to neoclassical in high density plasmas. For medium density, {chi}{sub {ital e}}{sup {ital pb}} is lower than neoclassical and may even be negative, indicating that off-diagonal elements in the transport matrix drive an electron heat flux up the {ital T}{sub {ital e}} gradient. {copyright} {ital 1996 The American Physical Society.}