Electron cyclotron emission calculations for TJ-II stellarator
Electron cyclotron emission calculations for TJ-II stellarator
复制标题
TJ-II仿星器的电子回旋发射计算
DOI：
10.1088/0029-5515/36/3/i02
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发表时间：
1996
期刊：
影响因子：
3.3
通讯作者：
B. Milligen
中科院分区：
文献类型：
--
作者：
V. Tribaldos;B. Milligen
对柔性螺旋加速器TJ-II进行了射线跟踪电子回旋发射计算。开发了一种新的射线跟踪程序TRECE，它可以计算任何装置的电子回旋吸收(EGA)和电子回旋吸收(EGA)。这个代码使用了一种很有前途的新工具，它通过神经网络来表示磁通量。出于几何考虑，选择了两个位置进行欧洲经委会诊断，这两个位置对TJ-II等离子体构型的变化和最小化法拉第旋转不是很敏感。用Trece对这些位置进行的模拟，无论等离子体构型如何，都能重现电子温度分布。特别注意了在实空间和动量空间中对发射过程负责的电子的定位，以及天线方向图和磁场旋转对发射的影响
Ray tracing electron cyclotron emission (ECE) calculations have been performed for the flexible heliac TJ-II. A new ray tracing code, called TRECE, has been developed, which is able to compute the ECE and the electron cyclotron absorption (EGA) for any device. This code makes use of a promising new tool that represents the magnetic flux by means of a neural network. From geometrical considerations two positions were selected for an ECE diagnostic that were not very sensitive to changes in the plasma configuration of TJ-II and minimizing the Faraday rotation. The simulated ECE, obtained with TRECE for these positions, reproduces the electron temperature profile regardless of the plasma configuration. Special attention has been paid to locating the electrons responsible for the emission process in both real and momentum space, and the effect of the antenna pattern and the rotation of the magnetic field on the emission