Implosion characteristics of conical wirearray Z pinches on Qiangguang1 facility

Jiang Shu-Qing; Ye Fan; Yang Jian-Lun; Xia Guang-Xin; Zhang Fa-Qiang; Li Zheng-Hong; Xu Rong-Kun; Xu Ze-Ping; Pan Ying-Jun

doi:10.7498/aps.61.195205

Abstract

Implosion and radiation characteristics of conical wire array in different regimes of implosion are investigated at the 1 MA Qiangguang-1 facility by X-ray self-emission diagnostics. Experimental results show that the shape of precursor plasma is also conical. The initial implosion takes place near the cathode by a stronger Lorenz force, forming a triangle-like structure that produces harder X ray. The current crossing the bubble in the front of the wire array near the anode persists in persist ablating, thereby leading to a zippered stagnation. The initial implosion of a bubble near the cathode is followed by the implosion zippering upwards as the zipper implosion speed is 2.59 107 cm/s. The results shows that the conical array has a broader X-ray power pulse than cylinderical wire array due to the zippered stagnation and zippered implosion of the array. The study of implosion characteristics of specialized axis symmetric wire array Z-pinch-like conical wire array can provide a valuable test bed for understanding the regime of implosion as well as theoretical model and magneto-hydrodynamic (MHD) codes, both of which primarily develop for the modeling of cylindrical wire array Z pinches.

Keywords:

Authors and contacts

1.
The Key Laboratory of Optoelectronic Tchnology and System, Ministry of Education, Chongqing University, Chongqing 400044, China;
2.
Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang 621900, China
Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 10635050, 11005096), the Science Foundation of China Academy of Engineering Physics (Grant No. 2010B0102012), and the Foundation of Institute of Nuclear Physics and Chemistry (Grant No. 2011CX03).

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[23]	Lebedev S V, Beg F N, Bland S N, Chittenden J P, Dangor A E, Haines M G, Pikuz S A, Shelkovenko T A 2000 Phys. Rev. Lett. 85 98
[24]	Lebedev S V, Chittenden J P, Beg F N, Bland S N, Ciardi A, Ampleford D, Hughes S, Haines M G, Frank A, Blackman E G, Gardiner T 2005 Plasma Phys. Controlled Fusion 47 A91
[25]	Haines M G, LePell P D, Coverdale C A, Jones B, Deeney C, Apruzese J P 2006 Phys. Rev. Lett. 96 075003
[26]	Rudakov L I, Velikovich A L, Davis J, Thornhill J W, Giuliani J L, Deeney C 2000 Phys. Rev. Lett. 84 3326
[27]	Ding N, Wu J M, Dai Z H, Zhang Y, Yin L, Yao Y Z, Sun S K, Ning C, Shu X J 2010 Acta Phys. Sin. 59 8707 (in Chinese) [丁宁, 邹吉明, 戴自换, 张扬, 尹丽, 姚彦忠, 孙顺凯, 宁成, 束小建 2010 59 8707]

Cited By

[1]	Chittenden J P, Lebedev S V, Bell A R, Aliaga-Rossel R, Bland S N, Haines M G 1999 Phys. Rev. Lett. 83 100
[2]	Lebedev S V, Mitchell I H, Aliaga-Rossel R, Bland S N, Chittenden J P, Dangor A E, Haines M G 1998 Phys. Rev. Lett. 81 4152
[3]	Bland S N, Lebedev S V, Chittenden J P, Hall G N, Suzuki-Vidal F, Ampleford D J , Bott S C, Palmer J B A, Pikuz S A, Shelkovenko T A 2007 Phys. Plasmas 14 056315
[4]	Ivanov V V, Sotmikov V I, Sarkisov G S, Cowan T E, Bland S N, Jones B, Coverdale C A, Deeney C, Laca P J, Astanovitskiy A L, Haboub A 2006 Phys. Rev. Lett. 97 125001
[5]	Ivanov V V, Kantsyrev V L, Sotnikov V I, Fedin D A, Astanovitskiy A L, Le Galloudec B, Nalajala V., Shrestha I, Cowan T E, Jones B, Coverdale C A, Deeney C, LePell P D 2006 Phys. Plasmas 13 012704
[6]	Lebedev S V, Beg F N, Bland S N,Chittenden J P, Dangor A E, Haines M G, Kwek K H, Pikuz S A, Shelkovenko T A 2001 Phys. Plasmas 8 3734
[7]	Min H, Kusse B R 2005 Phys. Plasmas 12 102701
[8]	Canto J, Tenorio-Tagle G, Rozyczka M 1988 Astron. Astrophys 192 287
[9]	Lebedev S V, Ciardi A, Ampleford D J, Bland S N, Bott S C, Chittenden J P, Hall G N, Rapley J, Jennings C A, Frank A, Blackman E G, Lery T 2005 Mon. Not. R. Astron. Soc. 361 97
[10]	Chittenden J P, Dunne M, Zepf M, Lebedev S V, Ciardi A, Bland S N 2002 Phys. Rev. Lett. 88 235001
[11]	Ampleford D J, Ciardi A, Lebedev S V, Bland S N, Bott S C, Chittenden J P, Hall G N, Frank A, Blackman E 2007 Astrophys. Space Sci. 307 29
[12]	Ampleford D J, Lebedev S V, Ciardi A, Bland S N, Bott S C, Hall G N, Naz N, Jennings C A, Sherlock M, Chittenden J P, Frank A, Blackman E 2007 Astrophys. Space Sci. 307 51
[13]	Ciardi A, Lebedev S V, Chittenden J P, Bland S N 2002 Laser Part. Beams 20 255
[14]	Grabovski E V, Aleksandrov V V, Volkov G S, Kubes P, Kravarik J, Bakshaev Y L 2008 Plasma Phys. Rep. 34 815
[15]	Lebedev S V, Beg F N, Bland S N, Chittenden J P, Dangor A E, Haines M G, Kwek K H, Pikuz S A,Shelkovenko T A 2001 Phys. Plasmas 8 3734
[16]	Xu R K, Li Z H, Guo C, Yang J L, Li L B, Song F J, Ning J M, Xia G X, Xu Z P 2003 Acta. Phys. Sin. 52 1203 (in Chinese) [徐荣昆, 李正宏, 郭存, 杨建伦, 李林波, 宋凤军, 宁家敏, 夏广新, 许泽平2003 52 1203]
[17]	Xia G X, Zhang F Q, Xu Z P, Xu R K, Chen J C, Ning J M 2010 Acta Phys. Sin. 59 97 (in Chinese) [夏广新, 章法强, 许泽平, 徐荣昆, 陈进川, 宁家敏 2010 59 97]
[18]	Ning C, Li Z H, Hua X S, Xu R K, Peng X J, Xu Z P, Yang J L, Guo C, Jiang S L, Feng S P, Yang L B, Yan C L, Song F J, Smirnov V P, Kalinin Y G, Kingsep A S, Chemenko A S, Grabowski E V 2004 Acta Phys. Sin. 53 2244 (in Chinese) [宁成, 李正宏, 华欣生, 徐荣昆, 彭先觉, 许泽平, 杨建伦, 郭存, 蒋世伦, 丰树平, 杨礼兵, 晏成立, 宋凤军, Smirnov V P, Kalinin Y G, Kingsep A S, Chemenko A S, Grabowski E V 2004 53 2244]
[19]	Xiao D L, Ning C, Lan k, Ding N 2010 Acta. Phys. Sin. 59 430 (in chinese) [肖德龙, 宁成, 蓝可, 丁宁 2010 59 430]
[20]	Ryutov D D, Derzon M S, Matzen M K 2000 Rev. Mod. Phys. 72 167
[21]	Bott S C, Lebedev S V, Ampleford D J, Beg F N, Bland S N, Chittenden J P, Ciardi A, Haines M G, Jennings C, Sherlock M, Palmer J, Hall G, Rapley J 2006 Phys. Rev. E 74 046403
[22]	Haines M G, Lebedev S V, Chittenden J P, Bland S N, Sherlock M, Ampleford D J, Bott S C, Hall G N, Jennings C, Rapley J, Le Pell P D, Coverdale C A, Jones B, Deeney C 2004 Proc. IAEA FEC 2004 OV/3-5Rb
[23]	Lebedev S V, Beg F N, Bland S N, Chittenden J P, Dangor A E, Haines M G, Pikuz S A, Shelkovenko T A 2000 Phys. Rev. Lett. 85 98
[24]	Lebedev S V, Chittenden J P, Beg F N, Bland S N, Ciardi A, Ampleford D, Hughes S, Haines M G, Frank A, Blackman E G, Gardiner T 2005 Plasma Phys. Controlled Fusion 47 A91
[25]	Haines M G, LePell P D, Coverdale C A, Jones B, Deeney C, Apruzese J P 2006 Phys. Rev. Lett. 96 075003
[26]	Rudakov L I, Velikovich A L, Davis J, Thornhill J W, Giuliani J L, Deeney C 2000 Phys. Rev. Lett. 84 3326
[27]	Ding N, Wu J M, Dai Z H, Zhang Y, Yin L, Yao Y Z, Sun S K, Ning C, Shu X J 2010 Acta Phys. Sin. 59 8707 (in Chinese) [丁宁, 邹吉明, 戴自换, 张扬, 尹丽, 姚彦忠, 孙顺凯, 宁成, 束小建 2010 59 8707]

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Vol. 61, Issue 19 - 2012-10-05

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