Upgrading of the Magnetic Confinement Plasma Device KT-5E

In this article we present ideas of providing appropriate poloidal magnetic field for helimaks to help to generate toroidal magnetic plasma torus. Placing a conductive ring in the center of the cross-section to induce a suitable current, we change the helical magnetic field lines in the helimak disc...

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Published inPlasma science & technology Vol. 14; no. 2; pp. 94 - 96
Main Author 何迎花 余羿 闻一之 刘万东 李定 俞昌旋 谢锦林 李弘 兰涛 王昊宇
Format Journal Article
LanguageEnglish
Published 01.02.2012
Subjects
导电环
极向磁场
横截面
磁剪切
磁力线
磁约束等离子体
等离子体密度
设备
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Summary:In this article we present ideas of providing appropriate poloidal magnetic field for helimaks to help to generate toroidal magnetic plasma torus. Placing a conductive ring in the center of the cross-section to induce a suitable current, we change the helical magnetic field lines in the helimak discharge into magnetic surface. In this kind of discharge, the plasma density is greatly increased, and the corresponding density fluctuation is significantly decreased, showing a better confinement by magnetic shear. It allows more flexible and efficient experimental investigations on the toroidal magnetic confinement plasmas to be carried on in this kind of device.
Bibliography:In this article we present ideas of providing appropriate poloidal magnetic field for helimaks to help to generate toroidal magnetic plasma torus. Placing a conductive ring in the center of the cross-section to induce a suitable current, we change the helical magnetic field lines in the helimak discharge into magnetic surface. In this kind of discharge, the plasma density is greatly increased, and the corresponding density fluctuation is significantly decreased, showing a better confinement by magnetic shear. It allows more flexible and efficient experimental investigations on the toroidal magnetic confinement plasmas to be carried on in this kind of device.
HE Yinghua YU Yi , WEN Yizhi , LIU Wandong , LI Ding , YU Changxuan , XIE Jinlin LI Hong , LAN Tao , WANG Haoyu （ CAS Key Laboratory of Plasma Physics, School of Science, University of Science and Technology of China, Hefei 230026, China）
magnetic torus, helimak, poloidal field, shear
34-1187/TL
ISSN:1009-0630
DOI:10.1088/1009-0630/14/2/02