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首页> 外文期刊>Plasma Science & Technology >Investigation of the Parallel Flow in the Edge Plasma of EAST
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Investigation of the Parallel Flow in the Edge Plasma of EAST

机译：EAST边缘等离子体中平行流的研究

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The effects of the E × B drift and ballooning-like transport on the edge plasma in EAST tokamak are investigated with a simplified fluid model. The simulation results show that the E × B drift and ballooning-like transport affect the plasma behavior. When the toroidal field is reversed, at the low field side the density is much larger and temperatures (both electron and ion) are lower, and the profiles of the density and temperatures become more symmetric. With the ballooning-like transport considered, the spatial ballooning-like distribution at the low field side is not very important, but the magnitude affects the ratios of the inner/outer particle flux and energy as well as the E × B drift. At the top of the scrape-off layer, the Mach number exceeding 0.3 for the normal toroidal field and approaching 0.2 for the reversed toroidal field in the simulation are obtained when the drift and ballooning-like transport are included in the model.
机译：利用简化的流体模型研究了E×B漂移和类气球膨胀对EAST托卡马克边缘等离子体的影响。仿真结果表明，E×B漂移和像气球一样的迁移影响等离子体行为。当环形场反转时，在低场侧，密度大得多，而温度（电子和离子）则更低，并且密度和温度的分布变得更加对称。考虑到像气球一样的传输，低场侧的空间像气球一样的分布不是很重要，但是大小会影响内外粒子通量和能量之比以及E×B漂移。在刮除层的顶部，当模型中包含漂移和类似气球的运输时，在模拟中获得的法向磁环马赫数超过0.3，正向环磁马赫数接近0.2。

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