Modeling of Drift Displacement of the Pellet Ablated Material for Outboard Side Injection in Large Helical Device

Akinobu MATSUYAMA; Florian KOECHL; Bernard PéGOURIé; Ryuichi SAKAMOTO; Gen MOTOJIMA; Hiroshi YAMADA

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Modeling of Drift Displacement of the Pellet Ablated Material for Outboard Side Injection in Large Helical Device

机译：大型螺旋装置外侧注射的颗粒烧蚀材料的漂移位移建模

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The outward drift displacement of the pellet ablated material is studied for low-field side injection in the Large Helical Device (LHD). Stopping of the drift acceleration is shown to be mainly due to the formation of an internal current circuit owing to helical variation of the magnetic field gradient. This process is the most efficient for stopping the cross-field motion of the ablatant in the LHD because, in helical configurations, the parallel scale length of the gradient variation is shorter than in tokamaks. Simulated ablation and deposition profiles are shown to compare well with the H_α emission and post-injection density and temperature profiles.

机译：对于大型螺旋装置（LHD）中的低场侧注入，研究了颗粒烧蚀材料的向外漂移位移。漂移加速度的停止主要是由于磁场梯度的螺旋变化导致内部电流电路的形成。此过程对于停止LHD中的膨胀剂的跨场运动是最有效的，因为在螺旋配置中，梯度变化的平行标度长度比在托卡马克中短。结果显示，模拟的烧蚀和沉积曲线可以与H _{α发射和注入后的密度和温度曲线进行比较。}

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《Plasma and Fusion Research》 |2012年第4期|共1页
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Akinobu MATSUYAMA; Florian KOECHL; Bernard PéGOURIé; Ryuichi SAKAMOTO; Gen MOTOJIMA; Hiroshi YAMADA;
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1. Homogenization of the pellet ablated material in tokamaks taking into account the ▽B-induced drift [J] . B. Pegourie, V. Waller, H. Nehme, Nuclear fusion . 2007,第1期

机译：考虑到▽B引起的漂移，托卡马克中的颗粒烧蚀材料均质化
2. Homogenization of the pellet ablated material in tokamaks taking into account the del B-induced drift [J] . Pegourie B, Waller V, Nehme H, Nuclear fusion . 2007,第1期

机译：考虑到del B引起的漂移，托卡马克中烧蚀颗粒的均质化
3. Modelling of the pellet deposition profile and ▽B-induced drift displacement in non-axisymmetric configurations [J] . A. Matsuyama, F. Koechl, B. Pegourie, Nuclear fusion . 2012,第12期

机译：非轴对称配置中颗粒沉积轮廓和▽B引起的漂移位移的建模
4. Modelling of pellet ablation and homogenization for outboard side injection in the Large Helical Device [C] . A. Matsuyama, F. Kchl, B. Pgouri, Conference on Plasma Physics . 2011

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Modeling of Drift Displacement of the Pellet Ablated Material for Outboard Side Injection in Large Helical Device

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