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Heat Flux on EAST Divertor Plate in H-mode with LHCD/LHCD+NBI

Shi Bo ¹ Yang Zhendong ² Zhang Bin ¹ Yang Cheng ¹ Gan Kaifu ¹ Chen Meiwen ¹ Yang Jinhong ³ Zhang Hui ³ Qi Junli ³ Gong Xianzu ¹ Zhang Xiaodong ¹ Wang Weihua ¹ ^*

文摘	Based on the surface temperature measured by the infrared camera on the experimental advanced superconducting tokamak (EAST), the heat fluxes on the lower outer divertor target plate during H-mode with the lower-hybrid wave current drive (LHCD) only and with the LHCD combined with the neutral beam injection (NBI) are calculated by the DFLUX code and compared. The analyzed discharges are lower single null divertor configuration discharges. In the case with the LHCD only (I_p ~400 kA,P_(lhcd) ~2MW),ELM-free appears after L-H transition with the peak heat flux on the lower outer target plate less than 1 MW/m~2. However, there is no ELM- free appearing after the L-H transition in the case with the LHCD+NBI (I_p ~300 kA,P_(lhcd) + P_(nbi) ~2 MW). The results show that the peak heat fluxes on the lower outer target plate in the LHCD+NBI H-mode cases are larger than those in the LHCD H-mode under the similar auxiliary heating power. This is because the heat flux profiles of the lower outer target plate as a function of plate location in ELMing with the LHCD+NBI are narrower than those with the LHCD only. The results are consistent with the results in terms of the scrape-off layer width observed in the EAST.
来源	Chinese Physics Letters ,2017,34(9):095201-1-095201-4 【核心库】
DOI	10.1088/0256-307X/34/9/095201
地址	1. Institute of Plasma Physics, Hefei Institutes of Physical Sciences, Chinese Academy of Sciences, Hefei, 230031 2. Teaching and Research Department of Physics, Tongling University, Tongling, 244000 3. Institute of Applied Physics, Army Officer Academy, Hefei, 230031
语种	英文
文献类型	研究性论文
ISSN	0256-307X
学科	物理学
基金	国家自然科学基金 ; the National Magnetic Confinement Fusion Science Program of China
文献收藏号	CSCD:6082730

参考文献共 13 共1页

引证文献 3 篇

1 Cui Zhixue Calculation of the heat flux in the lower divertor target plate using an infrared camera diagnostic system on the experimental advanced superconducting tokamak Nuclear Science and Techniques,2019,30(6):94
CSCD被引 5 次

2 Li Jiangang The Experimental Advanced Superconducting Tokamak Engineering,2021,7(11):1523-1528
CSCD被引 1 次

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