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氩气Z箍缩内爆动力学过程实验研究
引用本文:黄显宾,杨礼兵,顾元朝,邓建军,周荣国,邹杰,周少彤,张思群,陈光华,畅里华,李丰平,欧阳凯,李军,杨亮,王雄,张朝辉.氩气Z箍缩内爆动力学过程实验研究[J].物理学报,2006,55(4):1900-1906.
作者姓名:黄显宾  杨礼兵  顾元朝  邓建军  周荣国  邹杰  周少彤  张思群  陈光华  畅里华  李丰平  欧阳凯  李军  杨亮  王雄  张朝辉
作者单位:中国工程物理研究院流体物理研究所,绵阳 621900
摘    要:在太瓦级脉冲功率装置“阳”加速器上开展了一系列氩气Z箍缩内爆实验研究.利用了高时空分辨的X射线纳秒分幅相机、可见光高速扫描相机、激光剪切差分干涉系统、X射线针孔相机和软X射线功率谱仪对内爆动力学过程进行了诊断.观测到了内爆中的“拉链”效应、“颈缩”效应、腊肠不稳定性等现象,获得了等离子体温度变化和内爆速度变化等典型结果,并分析了电流上升时间等因素对等离子体内爆过程的影响,给出了相关结论. 关键词: Z箍缩 等离子体 “拉链"效应 腊肠不稳定性

关 键 词:Z箍缩  等离子体  “拉链"效应  腊肠不稳定性
收稿时间:07 14 2005 12:00AM
修稿时间:2005-07-142005-12-06

Experimental studies of the argon-puff Z-pinch implosion process
Huang Xian-Bin,Yang Li-Bing,Gu Yuan-Chao,Deng Jian-Jun,Zhou Rong-Guo,Zou Jie,Zhou Shao-Tong,Zhang Si-Qun,Chen Guang-Hua,Chang Li-Hua,Li Feng-Ping,Ouyang Kai,Li Jun,Yang Liang,Wang Xiong,Zhang Zhao-Hui.Experimental studies of the argon-puff Z-pinch implosion process[J].Acta Physica Sinica,2006,55(4):1900-1906.
Authors:Huang Xian-Bin  Yang Li-Bing  Gu Yuan-Chao  Deng Jian-Jun  Zhou Rong-Guo  Zou Jie  Zhou Shao-Tong  Zhang Si-Qun  Chen Guang-Hua  Chang Li-Hua  Li Feng-Ping  Ouyang Kai  Li Jun  Yang Liang  Wang Xiong  Zhang Zhao-Hui
Institution:Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, China
Abstract:A preliminary experiment for studying the argon-puff Z-pinch implosion process has been performed on the Yang accelerator. The ten-frame nanosecond temporal and spatial gated camera,visible high-speed scanning camera, differential laser interferometer, X-ray time integration pinhole camera and X-ray power system have been used to investigate the evolution of the argon-puff Z-pinch. Some typical results of argon-puff Z-pinch during implosion and pinch phase, including the “zipper” effect, necking phenomenon, sausage instability,temperature changes and the effect of load current rise time, are given and analyzed as examples, and some relevant conclusions are drawn.
Keywords:Z-pinch  plasma  “zipper” effect  sausage instability
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