Development of a compact torus injection system for the Keda Torus eXperiment

被引：0

作者：

陈晨 ^{[1
]}

兰涛 ^{[1
]}

肖持进 ^{[1
,2
,3
]}

庄革 ^{[1
]}

孔德峰 ^{[3
]}

张寿彪 ^{[3
]}

张森 ^{[1
]}

丁卫星 ^{[1
]}

吴征威 ^{[1
]}

毛文哲 ^{[1
]}

吴捷 ^{[1
]}

许航齐 ^{[1
]}

邬佳仁 ^{[1
]}

祖一鸣 ^{[1
]}

张栋 ^{[1
]}

卫子安 ^{[1
]}

温晓辉 ^{[1
]}

周楚 ^{[1
]}

刘阿娣 ^{[1
]}

谢锦林 ^{[1
]}

李弘 ^{[1
]}

刘万东 ^{[1
]}

机构：

[1] Department of Plasma Physics and Fusion Engineering, University of Science and Technology of China

[2] Department of Physics and Engineering Physics, University of Saskatchewan

[3] Institute of Plasma Physics, Chinese Academy of Sciences

来源：

Plasma Science and Technology | 2022年 / 04期

基金：

中国国家自然科学基金;

关键词：

D O I：

暂无

中图分类号：

O53 [等离子体物理学];

学科分类号：

070204 ;

摘要：

A compact torus injection system, KTX-CTI, has been developed for the planned injection experiments on the Keda Torus e Xperiment（KTX） reversed field pinch（RFP） device to investigate the physics and engineering issues associated with interaction between a compact torus（CT） and RFP. The key interests include fueling directly into the reactor center, confinement improvement,and the injection of momentum and helicity into the RFP discharges. The CT velocity and mass have been measured using a multichannel optical fiber interferometer, and for the first time the time evolution of the CT density profile during CT propagation is obtained. The effects of discharge parameters on the number of injected particles, CT velocity and CT density have been characterized:the maximum hydrogen CT plasma mass, m,CTis 50 μg, corresponding to 30% of the mass in a typical KTX plasma; the CT velocity exceeds 120 km s;. It is observed for the first time that multiple CTs can be produced and emitted during a very short period（<100 μs） in one discharge,which is significant for the future study of repetitive CT injection, even with an ultra-high frequency.

引用

页码：117 / 126

页数：10

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