| Hybrid Method for Tokamak MHD Equilibrium Configuration Reconstruction |
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| 作者姓名： | 何宏达 董家齐 张锦华 蒋海滨 |
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| 作者单位： | Southwestern Institute of Physics, Chengdu 610041 |
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| 基金项目： | Supported by the National Natural Science Foundation of China Grant No 10575031. |
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| 摘 要： |
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| 关 键 词： | 托卡马克装置 MHD平衡 EFIT编码 重构系数 |
| 收稿时间： | 2006-9-8 |
| 修稿时间： | 2006-09-08 |
Hybrid Method for Tokamak MHD Equilibrium Configuration Reconstruction |
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| HE Hong-Da,DONG Jia-Qi,ZHANG Jin-Hua,JIANG Hai-Bin.Hybrid Method for Tokamak MHD Equilibrium Configuration Reconstruction[J].Chinese Physics Letters,2007,24(2):497-500. |
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| Authors: | HE Hong-Da DONG Jia-Qi ZHANG Jin-Hua JIANG Hai-Bin |
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| Institution: | Southwestern Institute of Physics, Chengdu 610041 |
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| Abstract: | A hybrid method for tokamak MHD equilibrium configuration reconstruction is proposed and employed in the modified EFIT code. This method uses the free boundary tokamak equilibrium configuration reconstruction algorithm with one boundary point fixed. The results show that the position of the fixed point has explicit effects on the reconstructed divertor configurations. In particular, the separatrix of the reconstructed divertor configuration precisely passes the required position when the hybrid method is used in the reconstruction. The profiles of plasma parameters such as pressure and safety factor for reconstructed HL-2A tokamak configurations with the hybrid and the free boundary methods are compared. The possibility for applications of the method to swing the separatrix strike point on the divertor target plate is discussed. |
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| Keywords: | 52 55 -s 52 65 Kj 52 55 Fa |
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