Two dynamics modes in planar wire array Z pinch implosion

doi:10.1088/1674-1056/20/5/055202

中国物理B ›› 2011, Vol. 20 ›› Issue (5): 55202-055202.doi: 10.1088/1674-1056/20/5/055202

• PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES • 上一篇下一篇

Two dynamics modes in planar wire array Z pinch implosion

盛亮, 王亮平, 吴坚, 李阳, 彭博栋, 张美

Northwest Institute of Nuclear Technology, Xi'an 710024, China

收稿日期:2010-09-11 修回日期:2010-11-29 出版日期:2011-05-15 发布日期:2011-05-15

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

Received:2010-09-11 Revised:2010-11-29 Online:2011-05-15 Published:2011-05-15

摘要/Abstract

摘要： 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.

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.

Key words: ablation mode, imploding dynamics, planar wire array, Z pinch

中图分类号: (Plasma diagnostic techniques and instrumentation)

52.70.-m

52.30.-q (Plasma dynamics and flow) 52.59.Qy (Wire array Z-pinches)

盛亮, 王亮平, 吴坚, 李阳, 彭博栋, 张美. Two dynamics modes in planar wire array Z pinch implosion[J]. 中国物理B, 2011, 20(5): 55202-055202.

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[J]. Chin. Phys. B, 2011, 20(5): 55202-055202.

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Two dynamics modes in planar wire array Z pinch implosion

Two dynamics modes in planar wire array Z pinch implosion

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