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聚龙一号装置准等熵压缩实验负载优化研究

Optimization of load configurations for isentropic compression experiments on PTS

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摘要

准等熵压缩实验技术已用来研究材料在高压下的状态方程。基于聚龙一号装置平台, 实现对样品的准等熵压缩和超高速飞片发射, 进行了一系列实验来加深对负载构型的理解。通过对负载结构的设计, 研究了构设电极尺寸与电极间隙对磁应力的大小与分布的影响。基于模拟和实验结果, 带状线负载结构可以很好地提高磁压和提升装置的运行水平, 其电极表面磁压分布也具有良好的均匀性和平面性。目前为止, 已经可以用带状线负载在聚龙一号装置上获得峰值压力高达约100 GPa的准等熵压缩, 并获得速度超过10 km/s的超高速飞片。

Abstract

Isentropic compression experiments have been developed for the study of the equation of state for materials at extreme pressures. We use the PTS facility to achieve a quasi-isentropic compression and hyper-velocity flyer launch. A series of experiments for the understanding of the load configuration design, such as the load structure, the electrode gap and plate size, are presented, analyzed, and compared. The electromagnetic simulation has been used to analyze the magnetic field’s amplitude and uniformity on the inner surfaces of the load configurations. Some load configurations are designed for the study of the uniformity and consistency of the magnetic pressures on the electrode surfaces by a ramped compression wave. Based on the simulation and experiments, a stripline load configuration is chosen to enhance the magnetic pressures and improve the PTS’s performance for isentropic compression experiments. Until now, an isentropic pressure of about 100 GPa and more than 10 km/s flyer launch demonstrated on the PTS facility have been obtained using the stripline loads.

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中图分类号:O521

DOI:10.11884/hplpb201628.015015

所属栏目:脉冲功率技术

基金项目:国家自然青年科学基金项目(11502254); 中国工程物理研究院流体物理研究所发展基金项目(SFZ20130203)

收稿日期:2015-09-16

修改稿日期:2015-10-08

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作者单位    点击查看

郭帅:中国工程物理研究院 流体物理研究所, 脉冲功率科学与技术重点实验室, 四川 绵阳 621999
王贵林:中国工程物理研究院 流体物理研究所, 脉冲功率科学与技术重点实验室, 四川 绵阳 621999
张朝辉:中国工程物理研究院 流体物理研究所, 脉冲功率科学与技术重点实验室, 四川 绵阳 621999
贾月松:中国工程物理研究院 流体物理研究所, 脉冲功率科学与技术重点实验室, 四川 绵阳 621999
孙奇志:中国工程物理研究院 流体物理研究所, 脉冲功率科学与技术重点实验室, 四川 绵阳 621999
李军:中国工程物理研究院 流体物理研究所, 脉冲功率科学与技术重点实验室, 四川 绵阳 621999
池原:中国工程物理研究院 流体物理研究所, 脉冲功率科学与技术重点实验室, 四川 绵阳 621999
章征伟:中国工程物理研究院 流体物理研究所, 脉冲功率科学与技术重点实验室, 四川 绵阳 621999
赵小明:中国工程物理研究院 流体物理研究所, 脉冲功率科学与技术重点实验室, 四川 绵阳 621999
丰树平:中国工程物理研究院 流体物理研究所, 脉冲功率科学与技术重点实验室, 四川 绵阳 621999
计策:中国工程物理研究院 流体物理研究所, 脉冲功率科学与技术重点实验室, 四川 绵阳 621999
卫兵:中国工程物理研究院 流体物理研究所, 脉冲功率科学与技术重点实验室, 四川 绵阳 621999

联系人作者:郭帅(paul2006.happy@163.com)

备注:郭帅(1987—), 男, 硕士, 研究实习员, 主要从事高能量密度物理研究;

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引用该论文

Guo Shuai,Wang Guilin,Zhang Zhaohui,Jia Yuesong,Sun Qizhi,Li Jun,Chi Yuan,Zhang Zhengwei,Zhao Xiaoming,Feng Shuping,Ji Ce,Wei Bing. Optimization of load configurations for isentropic compression experiments on PTS[J]. High Power Laser and Particle Beams, 2016, 28(1): 015015

郭帅,王贵林,张朝辉,贾月松,孙奇志,李军,池原,章征伟,赵小明,丰树平,计策,卫兵. 聚龙一号装置准等熵压缩实验负载优化研究[J]. 强激光与粒子束, 2016, 28(1): 015015

被引情况

【1】肖德龙,丁宁,王冠琼,王小光,李晨光,毛重阳. Z箍缩聚变及高能量密度应用研究进展. 强激光与粒子束, 2020, 32(9): 92005-92005

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