Evaluation of NBI absorption and fast ion stored energy to improve thermal energy confinement time calculation in EAST

顾翔; 沈飙; 钱金平; 丁斯晔; 杜红飞; 孙有文; 肖炳甲; 吴斌; 王进芳; 黄娟; 陈佳乐; 李凯; 李国强; 陈大龙; 陈树亮; 吴木泉

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Evaluation of NBI absorption and fast ion stored energy to improve thermal energy confinement time calculation in EAST

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The absorption of neutral beam power and the fast ion stored energy in EAST plasmas with neutral beam injection(NBI)is analyzed to improve the calculation of thermal energy confinement time.The neutral beam power absorption and fast ion stored energy are systematically calculated using the TRANSP code,through the investigation of global parameters including plasma current,line averaged density and beam energy.Results have shown that scaling laws for the NBI absorption coefficient and fast ion energy rate are obtained through statistical analysis.A comparison of the confinement improvement factor H98y2 with these new scaling laws against those assuming fixed coefficients is given.

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《等离子体科学和技术：英文版》 |2020年第2期|54-59|共6页
作者
顾翔; 沈飙; 钱金平; 丁斯晔; 杜红飞; 孙有文; 肖炳甲; 吴斌; 王进芳; 黄娟; 陈佳乐; 李凯; 李国强; 陈大龙; 陈树亮; 吴木泉;
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作者单位

Institute of Plasma Physics;

Chinese Academy of Sciences;

Hefei 230031;

People's Republic of China;

University of Science and Technology of China;

Hefei 230026;

People's Republic of China;

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原文格式 PDF
正文语种 chi
中图分类中国工业经济;
关键词
thermal energy confinement time; neutral beam absorption; fast ion energy;

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Evaluation of NBI absorption and fast ion stored energy to improve thermal energy confinement time calculation in EAST

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