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In tokamak plasma, the discharge will turn into runaway discharge from normal discharge if the plasma density becomes very low. The discharge will enter into slide-away discharge if the density decays to a critical one, in which the confinement of plasma (exactly supper thermal electrons) is better than that in normal discharge. The confinement of plasma and the anomalous Doppler instability during slide-away discharge gas puffing are investigated. The effect of gas puffing on runaway electrons during slide-away discharge is also studied in this paper. It is found that the anomalous Doppler instability can be suppressed by the gas puffing during slide-away discharge, while the confinement of plasma becomes poor, and many high energy runaway electrons occur during gas puffing.
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Keywords:
- tokamak /
- slide-away discharg /
- gas puffing /
- runaway electron
[1] Sizyuk V,Hassanein A 2009 Nucl.Fusion 49 095003
[2] Jaspers R J E 1995 Ph D.Thesis (Eindhoven University of Technology,Netherlands)
[3] Einat M,Jerby E 1997 Phys.Rev.E 56 5996
[4] Gill R D,Alper B,Edwards A W 2000 Nucl.Fusion 40 163
[5] Chen Z Y,Wan B N,Lin S Y 2006 Phys.Lett.A 351 413
[6] Lu H W,Hu L Q,Lin S Y,Zhong G Q,Zhou R J,Zhang J Z 2010 Acta Phys.Sin.59 5596 (in Chinese)[卢洪伟,胡立群,林士耀,钟国强,周瑞杰,张继宗 2010 59 5596]
[7] Kurzan B,Steuer K H,Fussmann G 1995 Phys.Rev.Lett.75 4626
[8] Esposito B 1996 Plasma Phys.Control.Fusion 38 2035
[9] Nishimura E 1983 Japan.J.Appl.Phys.22 1182
[10] Zhang Y P,Yang J W,Liu Y 2009 Chin.Phys.B 18 5385
[11] Lu H W,Hu L Q,Chen Z Y J 2008 Plasma Phys.74 445
[12] Lu H W,Hu L Q,Li Y D,Zhong G Q,Lin S Y,Xu P 2010 Chin.Phys.B 19 125201
[13] Lu H W,Hu L Q,Zhou R J,Xu P,Zhong G Q,Lin S Y,Wang S F 2010 Acta Phys.Sin.59 7175 (in Chinese)[卢洪伟,胡立群,周瑞杰,许平,钟国强,林士耀,王少锋 2010 {bf 59 7175]
[14] Lu H W,Hu L Q,Zhou R J,Lin S Y,Zhong G Q,Wang S F,Chen K Y,Xu P,Zhang J Z,Ling B L,Mao S T,Duan Y M 2010 Chin.Phs.B 19 065201
[15] Chen Z Y,Wan B N,Ling B L 2007 Chin.Phys.Lett.24 3195
[16] Laurent L,Rax J M 1990 Europhys.Lett.11 219
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[1] Sizyuk V,Hassanein A 2009 Nucl.Fusion 49 095003
[2] Jaspers R J E 1995 Ph D.Thesis (Eindhoven University of Technology,Netherlands)
[3] Einat M,Jerby E 1997 Phys.Rev.E 56 5996
[4] Gill R D,Alper B,Edwards A W 2000 Nucl.Fusion 40 163
[5] Chen Z Y,Wan B N,Lin S Y 2006 Phys.Lett.A 351 413
[6] Lu H W,Hu L Q,Lin S Y,Zhong G Q,Zhou R J,Zhang J Z 2010 Acta Phys.Sin.59 5596 (in Chinese)[卢洪伟,胡立群,林士耀,钟国强,周瑞杰,张继宗 2010 59 5596]
[7] Kurzan B,Steuer K H,Fussmann G 1995 Phys.Rev.Lett.75 4626
[8] Esposito B 1996 Plasma Phys.Control.Fusion 38 2035
[9] Nishimura E 1983 Japan.J.Appl.Phys.22 1182
[10] Zhang Y P,Yang J W,Liu Y 2009 Chin.Phys.B 18 5385
[11] Lu H W,Hu L Q,Chen Z Y J 2008 Plasma Phys.74 445
[12] Lu H W,Hu L Q,Li Y D,Zhong G Q,Lin S Y,Xu P 2010 Chin.Phys.B 19 125201
[13] Lu H W,Hu L Q,Zhou R J,Xu P,Zhong G Q,Lin S Y,Wang S F 2010 Acta Phys.Sin.59 7175 (in Chinese)[卢洪伟,胡立群,周瑞杰,许平,钟国强,林士耀,王少锋 2010 {bf 59 7175]
[14] Lu H W,Hu L Q,Zhou R J,Lin S Y,Zhong G Q,Wang S F,Chen K Y,Xu P,Zhang J Z,Ling B L,Mao S T,Duan Y M 2010 Chin.Phs.B 19 065201
[15] Chen Z Y,Wan B N,Ling B L 2007 Chin.Phys.Lett.24 3195
[16] Laurent L,Rax J M 1990 Europhys.Lett.11 219
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