Reduction of ion thermal transport due to non-uniformity effects of the radial electric field at the edge of the JT-60U tokamak
Reduction of ion thermal transport due to non-uniformity effects of the radial electric field at the edge of the JT-60U tokamak
复制标题
JT-60U 托卡马克边缘径向电场的不均匀效应导致离子热传输减少
DOI：
10.1088/1741-4326/aa7f3b
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发表时间：
2017
期刊：
影响因子：
3.3
通讯作者：
Itoh S.-I.
中科院分区：
文献类型：
--
作者：
Kamiya K.;Itoh K.;Itoh S.-I.
利用高时空分辨率光谱测量方法研究了边缘径向电场对边缘输运势垒（ETB）形成的非均匀性影响。我们确定了E r曲率（即E r的二阶导数）对ETB形成的决定性重要性，对应于归一化离子温度梯度基础区域的局部峰值。
Non-uniformity effects of the edge radial electric field, E r, on edge transport barrier (ETB) formation have been identified with high-spatiotemporal resolution spectroscopic measurement. We identified the decisive importance of E r-curvature (ie 2nd derivative of E r) on ETB formation corresponding to a local peak value in the pedestal region of the normalized ion temperature gradient,