Experimental study of implosion instability characteristics in imploding single tungsten wire array Z-pinches

Jiang Shuqing; Chen Faxin; Xia Guangxin; Ning Jiamin; Xue Feibiao; Li Linbo; Ye Fan; Yang Jianlun; Pan Yingjun

doi:10.3788/HPLPB20132511.3069

Volume 25 Issue 11

Dec. 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(11): 3069-3072

Jiang Hongbin, Xiao Lipeng, Wei Chengfu, et al. Effect of discrete distribution of powder size on magnetic properties of NdFeB[J]. High Power Laser and Particle Beams, 2012, 24: 1173-1176. doi: 10.3788/HPLPB20122405.1173

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Jiang Shuqing, Chen Faxin, Xia Guangxin, et al. Experimental study of implosion instability characteristics in imploding single tungsten wire array Z-pinches[J]. High Power Laser and Particle Beams, 2013, 25: 3069-3072. doi: 10.3788/HPLPB20132511.3069

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Experimental study of implosion instability characteristics in imploding single tungsten wire array Z-pinches

doi: 10.3788/HPLPB20132511.3069

1.
Institute of Nuclear Physics and Chemistry,CAEP,P.O.Box 919-212,Mianyang 621900,China;
2.
Key Laboratory of Optoelectronic Technology and System,Ministry of Education,Chongqing University,Chongqing 400044,China

Received Date: 2013-01-15
Rev Recd Date: 2013-04-01
Publish Date: 2013-10-28

Abstract

Abstract

Experimental results of instability developments of 8 mm tungsten wire array Z-pinches on the 1.5 MA level, 100 ns rise-time Qiangguang-Ⅰfacility are presented. The dominated instability wavelength for imploding 8 mm wire arrays in early ablation regime is (0.20.03) mm, and it grows up to longer wavelength in later implosion and stagnation regime. An m=1 kink, when observed, is always on all frames obtained after peak power. Thus there may be some relation between the occurrence of m=1 and the termination of the rapid rise of the power pulse.
- tungsten wire array,
- Z-pinch,
- implosion instability

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