Long Pulse H-Mode Scenarios Sustained by RF Heating on EAST
Abstract EAST has demonstrated its capability of long pulse operation using RF heating （LHCD and ICRF） in past experiments. One key issue to realize the long pulse H-mode expert- meats is to sustain the plasma current for steady state operation. Based on the calculations of the transport code ONETWO...
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| Published in | Plasma science & technology Vol. 17; no. 6; pp. 448 - 453 |
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| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
01.06.2015
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1009-0630 |
| DOI | 10.1088/1009-0630/17/6/02 |
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| Abstract | Abstract EAST has demonstrated its capability of long pulse operation using RF heating （LHCD and ICRF） in past experiments. One key issue to realize the long pulse H-mode expert- meats is to sustain the plasma current for steady state operation. Based on the calculations of the transport code ONETWO and its coupled RF code GENRAY, two scenarios have been proposed to achieve the 10 s H-mode plasma with Ip=400 kA, 〈 ne 〉=4.5×1019 m-a, βN=2, and the 100 s H-mode plasma with Ip=280 kA, 〈 ne 〉=3.5×1019 m-a, βN=1.8 recently. The current drive of lower hybrid wave is an important issue in the two scenarios. An experimental result on lower hybrid current drive in H-mode plasmas on EAST is also presented. |
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| AbstractList | EAST has demonstrated its capability of long pulse operation using RF heating (LHCD and ICRF) in past experiments. One key issue to realize the long pulse H-mode experiments is to sustain the plasma current for steady state operation. Based on the calculations of the transport code ONETWO and its coupled RF code GENRAY, two scenarios have been proposed to achieve the 10 s H-mode plasma with I sub(p)=400 kA, < n sub(e) >=4.510 super(19) m super(-3), beta sub(N)=2, and the 100 s H-mode plasma with I sub(p)=280 kA, < n sub(e) >=3.510 super(19) m super(-3), beta sub(N) = 1.8 recently. The current drive of lower hybrid wave is an important issue in the two scenarios. An experimental result on lower hybrid current drive in H-mode plasmas on EAST is also presented. Abstract EAST has demonstrated its capability of long pulse operation using RF heating （LHCD and ICRF） in past experiments. One key issue to realize the long pulse H-mode expert- meats is to sustain the plasma current for steady state operation. Based on the calculations of the transport code ONETWO and its coupled RF code GENRAY, two scenarios have been proposed to achieve the 10 s H-mode plasma with Ip=400 kA, 〈 ne 〉=4.5×1019 m-a, βN=2, and the 100 s H-mode plasma with Ip=280 kA, 〈 ne 〉=3.5×1019 m-a, βN=1.8 recently. The current drive of lower hybrid wave is an important issue in the two scenarios. An experimental result on lower hybrid current drive in H-mode plasmas on EAST is also presented. |
| Author | 高翔 李国强 张涛 杨曜 龚先祖 刘子奚 任启龙 刘海庆 曾龙 余耀伟 刘少承 刘晓菊 张寿彪 蔡辉山 吴雪梅 李建刚 |
| AuthorAffiliation | Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China Department of Modern Physics, School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China Department of Physics, Soochow University, Soochow 215006, China |
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| CitedBy_id | crossref_primary_10_1088_2058_6272_aab48f crossref_primary_10_1109_TPS_2022_3210124 crossref_primary_10_1016_j_fusengdes_2017_08_018 crossref_primary_10_1088_1741_4326_aa626c crossref_primary_10_1088_2058_6272_ab0a18 crossref_primary_10_1088_1741_4326_ac555e crossref_primary_10_1088_2058_6272_ac742d |
| Cites_doi | 10.1063/1.873240 10.1088/0741-3335/45/5/312 10.1088/0029-5515/45/7/010 10.1088/0029-5515/31/10/011 10.1088/0741-3335/44/12B/306 10.1103/PhysRevLett.110.235002 10.1063/1.3599039 10.1088/0029-5515/45/7/004 10.1088/0029-5515/50/1/014004 10.1088/0741-3335/54/9/095001 10.1038/nphys2795 10.1145/360924.360971 10.1063/1.1517052 10.1088/0029-5515/47/7/020 10.1088/0029-5515/47/11/010 10.1088/0741-3335/49/12B/S59 10.1063/1.3125934 10.1088/0741-3335/47/5A/003 |
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| Notes | GAO Xiang , LI Guoqiang , ZHANG Tao , YANG Yao , GONG Xianzu, LIU Zixi , REN Qilong , LIU Haiqing , ZENG Long , YU Yaowei , LIU Shaocheng , LIU Xiaoju , ZHANG Shoubiao, CAI Huishan, WU Xuemei , LI Jiangang , and the EAST team （Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China 2Department of Modern Physics, School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China 3Department of Physics, Soochow University, Soochow 215006, China） long pulse H-mode； RF heating； ONETWO 34-1187/TL Abstract EAST has demonstrated its capability of long pulse operation using RF heating （LHCD and ICRF） in past experiments. One key issue to realize the long pulse H-mode expert- meats is to sustain the plasma current for steady state operation. Based on the calculations of the transport code ONETWO and its coupled RF code GENRAY, two scenarios have been proposed to achieve the 10 s H-mode plasma with Ip=400 kA, 〈 ne 〉=4.5×1019 m-a, βN=2, and the 100 s H-mode plasma with Ip=280 kA, 〈 ne 〉=3.5×1019 m-a, βN=1.8 recently. The current drive of lower hybrid wave is an important issue in the two scenarios. An experimental result on lower hybrid current drive in H-mode plasmas on EAST is also presented. ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
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| Snippet | Abstract EAST has demonstrated its capability of long pulse operation using RF heating （LHCD and ICRF） in past experiments. One key issue to realize the long... EAST has demonstrated its capability of long pulse operation using RF heating (LHCD and ICRF) in past experiments. One key issue to realize the long pulse... |
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| SubjectTerms | Cyclotron frequency EAST Heating H模式等离子体 ICRF Ion cyclotron radiation Joining LHCD Mathematical analysis Plasma currents Steady state Transport 低杂波电流驱动 射频加热 等离子体电流 长脉冲 |
| Title | Long Pulse H-Mode Scenarios Sustained by RF Heating on EAST |
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