Determining the Closed Flux Surface in a Helical Plasma in TOKASTAR-2 with an Electrostatic Probe

Hiromasa ITOU; Takaaki FUJITA; Hideki ARIMOTO; Atsushi OKAMOTO; Kenji MURAOKA; Ryoichi SUGIOKA; Kohei YASUDA; Ryoma YOKOYAMA; Masato MINOURA; Takahiro YAMAUCHI

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Determining the Closed Flux Surface in a Helical Plasma in TOKASTAR-2 with an Electrostatic Probe

机译：用静电探针测定TOKASTAR-2中螺旋等离子体中的封闭通量表面

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The electron temperature and density were measured with an electrostatic probe in a helical plasma in the TOKASTAR-2 device in order to determine the location and the shape of the last closed flux surface (LCFS). The electron density inside the calculated LCFS was found to be higher in a helical plasma than in a plasma without a helical field when the electron-cyclotron-resonance layer was located inside the LCFS. Although errors in the manufacturing and installation of coils have been a concern, this result indicates that the LCFS formed in this device does not differ greatly from the calculated LCFS.

机译：为了确定最后一个封闭通量表面（LCFS）的位置和形状，在TOKASTAR-2设备中的螺旋等离子体中用静电探针测量了电子温度和密度。当电子回旋共振层位于LCFS内部时，发现在螺旋等离子体中计算出的LCFS内部的电子密度高于没有螺旋场的等离子体中的电子密度。尽管一直在担心线圈制造和安装中的错误，但该结果表明，在此设备中形成的LCFS与计算出的LCFS相差不大。

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《Plasma and Fusion Research》 |2018年第1期|共1页
作者
Hiromasa ITOU; Takaaki FUJITA; Hideki ARIMOTO; Atsushi OKAMOTO; Kenji MURAOKA; Ryoichi SUGIOKA; Kohei YASUDA; Ryoma YOKOYAMA; Masato MINOURA; Takahiro YAMAUCHI;
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中图分类等离子体物理学;
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Determining the Closed Flux Surface in a Helical Plasma in TOKASTAR-2 with an Electrostatic Probe

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