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Heat Flux on EAST Divertor Plate in H-mode with LHCD/LHCD+NBI | |
其他题名 | Heat Flux on EAST Divertor Plate in H-mode with LHCD/LHCD+NBI |
Shi Bo1; Yang Zhendong2; Zhang Bin1; Yang Cheng1; Gan Kaifu1; Chen Meiwen1; Yang Jinhong3; Zhang Hui3; Qi Junli3; Gong Xianzu1; Zhang Xiaodong1; Wang Weihua1 | |
2017 | |
发表期刊 | 中国物理快报:英文版 |
ISSN | 0256-307X |
摘要 | 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 (Ip ~ 400kA, PLHCD ~ 2 MW), ELM-free appears after L-H transition with the peak heat flux on the lower outer target plate less than 1 MW/m2. However, there is no ELM- free appearing after the L-H transition in the case with the LHCD+NBI (Ip ~ 300 kA, PLHCD + PNBI ~ 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. |
其他摘要 | 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 (Ip ~ 400kA, PLHCD ~ 2 MW), ELM-free appears after L-H transition with the peak heat flux on the lower outer target plate less than 1 MW/m2. However, there is no ELM- free appearing after the L-H transition in the case with the LHCD+NBI (Ip ~ 300 kA, PLHCD + PNBI ~ 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. |
关键词 | 低杂波电流驱动 NBI 热通量 偏滤器 靶板 托卡马克实验装置 L-H转换 计算结果 |
收录类别 | CSCD |
语种 | 中文 |
CSCD记录号 | CSCD:6082730 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.hfcas.ac.cn:8080/handle/334002/57744 |
专题 | 中国科学院合肥物质科学研究院 |
作者单位 | 1.Institute of Plasma Physics, Hefei Institutes of Physical Sciences, Chinese Academy of Sciences 2.Teaching and Research Department of Physics, Tongling University 3.Institute of Plasma Physics, Hefei Institutes of Physical Sciences, Chinese Academy of Sciences 4.Institute of Plasma Physics, Hefei Institutes of Physical Sciences, Chinese Academy of Sciences 5.Institute of Plasma Physics, Hefei Institutes of Physical Sciences, Chinese Academy of Sciences 6.Institute of Plasma Physics, Hefei Institutes of Physical Sciences, Chinese Academy of Sciences 7.Institute of Applied Physics, Army Officer Academy 8.Institute of Applied Physics, Army Officer Academy 9.Institute of Applied Physics, Army Officer Academy 10.Institute of Plasma Physics, Hefei Institutes of Physical Sciences, Chinese Academy of Sciences 11.Institute of Plasma Physics, Hefei Institutes of Physical Sciences, Chinese Academy of Sciences 12.Institute of Plasma Physics, Hefei Institutes of Physical Sciences, Chinese Academy of Sciences |
推荐引用方式 GB/T 7714 | Shi Bo,Yang Zhendong,Zhang Bin,等. Heat Flux on EAST Divertor Plate in H-mode with LHCD/LHCD+NBI[J]. 中国物理快报:英文版,2017,034. |
APA | Shi Bo.,Yang Zhendong.,Zhang Bin.,Yang Cheng.,Gan Kaifu.,...&Wang Weihua.(2017).Heat Flux on EAST Divertor Plate in H-mode with LHCD/LHCD+NBI.中国物理快报:英文版,034. |
MLA | Shi Bo,et al."Heat Flux on EAST Divertor Plate in H-mode with LHCD/LHCD+NBI".中国物理快报:英文版 034(2017). |
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