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Chin. Phys. B, 2011, Vol. 20(5): 055202    DOI: 10.1088/1674-1056/20/5/055202
PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES Prev   Next  

Two dynamics modes in planar wire array Z pinch implosion

Sheng Liang(盛亮), Wang Liang-Ping(王亮平), Wu Jian(吴坚), Li Yang(李阳), Peng Bo-Dong(彭博栋), and Zhang Mei(张美)
Northwest Institute of Nuclear Technology, Xi'an 710024, China
Abstract  Two dynamics modes, named short ablation mode and long ablation mode, are observed in implosion experiments of planar wire array Z pinch on 'QiangGuang-I' facility utilizing an optical streak camera. The long ablation mode has a lagged trajectory compared with the short ablation mode. For shot 10035 in a short ablation mode, the initial time of K-shell radiation is consistent with the interaction time for ablation plasma arriving at the centre of wire array, while for shot 10038 in long ablation mode, the initial time of K-shell radiation is about 10 ns earlier. In the two modes, the partial ablation plasma could traverse the wire array plane and then collide in the centre to form a dense plasma column with a diameter of 2.2 mm for shot 10035 and 1.5 mm for shot 10038.
Keywords:  ablation mode      imploding dynamics      planar wire array      Z pinch  
Received:  11 September 2010      Revised:  29 November 2010      Accepted manuscript online: 
PACS:  52.70.-m (Plasma diagnostic techniques and instrumentation)  
  52.30.-q (Plasma dynamics and flow)  
  52.59.Qy (Wire array Z-pinches)  

Cite this article: 

Sheng Liang(盛亮), Wang Liang-Ping(王亮平), Wu Jian(吴坚), Li Yang(李阳), Peng Bo-Dong(彭博栋), and Zhang Mei(张美) Two dynamics modes in planar wire array Z pinch implosion 2011 Chin. Phys. B 20 055202

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