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How to improve the protective effect of the first mirror is urgent for tokamaks at present. Buffer is one of the efficient methods to reduce the impurity redeposition on the first mirror. In order to study the protective effect of the buffer, the physical model of the particle redeposition on the first mirror is established with the Monte Carlo method on the basis of the parameters and experiments of the HL-2A tokamak. Particle redepositions on the first mirror are simulated under different conditions, including the cases without buffer and with cone buffer. The simulation results match well with the experimental results. The accuracy of the model is verified, and the simulation is efficient for providing theoretical basis for the protection of the first mirror.
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Keywords:
- first mirror /
- redeposition /
- buffer /
- Monte Carlo method
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[26] Shi B R 2010 Chin. Phys. B 19 065202
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[32] Chen F F 1980 Introduction to Plasma Physics and Controlled Fusion (Beijing: Peoples Education Press) pp3,4 (in Chinese)
[33] [34] [35] Yu D L 2006 Annual Report of Southwestern Institute of Physics (Chengdu: Southwestern Institute of Physics) p96 (in Chinese) [于德良 2006 核工业西南物理研究院年报 (成都:核工业西南物理研究院) 第96页]
[36] Hong W Y, Yan L W, Wang E Y, Li Q, Qian J 2005 Acta Phys. Sin. 54 173 (in Chinese) [洪文玉、严龙文、王恩耀、李强、钱 俊 2005 54 173]
[37] [38] [39] Zhou Y, Zheng L, Gao H, Zhao G, Li Y G, Li L C, Jiao Y M 2009 Phys. Scripta 2009(T138) 014066
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[1] Zhou Y, Gao B Y, Jiao Y M, Deng Z C, Tang Y W, Yi J, Tian C L, Ding X T, Liu Y 2006 Fusion Eng. Des. 81 2823
[2] Li R H, Tang C J, Chen J L, Zhong F L 2007 Surf. Technol. 36 11 (in Chinese) [李仁红、汤春江、陈俊凌、种法力 2007 表面技术 36 11]
[3] [4] Gao B Y, Zhou Y, Deng Z C, Yi J, Tang Y W, Ding X T 2006 Nucl. Fusion Plasma Phys. 26 31 (in Chinese) [高炳义、周 艳、邓中朝、易 江、唐益武、丁玄同 2006 核聚变与等离子体物理 26 31]
[5] [6] [7] Temmerman G D, Pitts R A 2008 Fusion Eng. Des. 83 30
[8] Shimomura Y 2006 Fusion Eng. Des. 81 3
[9] [10] [11] Zhou Y, Deng Z C, Liu Z T, Yi J, Tang Y W, Gao B Y, Tian C L, Li Y G, Ding X T 2007 Rev. Sci. Instrum. 78 113503
[12] Liu Y, Yan J C, Zhou C P, Ding X T, Wang S J, Wang E Y, Yao L H, Mao W C, Pan C H 2004 Nucl. Fusion 44 372
[13] [14] Wu J, Zhang P Y, Sun J Z, Zhang J, Ding Z F, Wang D Z 2008 Chin. Phys. B 17 1848
[15] [16] [17] Zhou Y, Deng Z C, Gao B Y, Yi J, Tang Y W, Tian C L, Liu X 2007 12th Meeting of the ITPA Topical Group on Diagnostics (Princeton: International Tokamak Physics Association) p16
[18] Sugie T, Kukushike A, Takamura S, Yoshida N, Litnovsky A 2006 11th Meeting of the ITPA Topical Group on Diagnostics (Sendai: International Tokamak Physics Association) p9
[19] [20] [21] Jian G D, Dong J Q 2003 Acta Phys. Sin. 52 1657 (in Chinese) [简广德、董家齐 2003 52 1657]
[22] Yan J C, Liu Y, Zhou C P, Li X D, Wang S J, Liu D Q, Xuan W M, Chen L Y, Cao Z, Yang Q W, Song X M, Yao L Y, Mao W C, Ding X T, Pan C H 2004 Nucl. Fusion Plasma Phys. 24 241 (in Chinese) [严建成、刘 永、周才品、李晓东、王树锦、刘德全、宣伟民、陈燎原、曹 曾、杨青巍、宋显明、姚列英、毛维成、丁玄同、潘传红 2004 核聚变与等离子体物理 24 241]
[23] [24] [25] Yuan B S, You T X, Qin Y W, Feng B B, Ji X Q 2006 Acta Phys. Sin. 55 1316 (in Chinese) [袁保山、游天雪、秦运文、冯北滨、季小全 2006 55 1316]
[26] Shi B R 2010 Chin. Phys. B 19 065202
[27] [28] [29] Zhang Y P, Yang J W, Liu Y, Song X Y, Yuan G L, Li X, Zhou Y, Zhou J, Yang Q W, Chen L Y, Rao J, Duan X R, Pan C H, HL-2A Team 2009 Chin. Phys. B 18 5385
[30] [31] Zhao Q, Liu S Z, Tong H H 2009 Plasma Technology and Its Applications (Beijing: National Defence Industry Press) p10 (in Chinese) [赵 青、刘述章、童洪辉 2009 等离子体技术及应用 (北京: 国防工业出版社) 第10页]
[32] Chen F F 1980 Introduction to Plasma Physics and Controlled Fusion (Beijing: Peoples Education Press) pp3,4 (in Chinese)
[33] [34] [35] Yu D L 2006 Annual Report of Southwestern Institute of Physics (Chengdu: Southwestern Institute of Physics) p96 (in Chinese) [于德良 2006 核工业西南物理研究院年报 (成都:核工业西南物理研究院) 第96页]
[36] Hong W Y, Yan L W, Wang E Y, Li Q, Qian J 2005 Acta Phys. Sin. 54 173 (in Chinese) [洪文玉、严龙文、王恩耀、李强、钱 俊 2005 54 173]
[37] [38] [39] Zhou Y, Zheng L, Gao H, Zhao G, Li Y G, Li L C, Jiao Y M 2009 Phys. Scripta 2009(T138) 014066
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