强激光与粒子束, 2003, 15 (12): 1205, 网络出版: 2006-04-28   

空心微球气体总量抽样测量误差分析

Data analysis of the gas amount in hollow glass microsphere used for indirect-drive targets
作者单位
中国工程物理研究院激光聚变研究中心,四川绵阳,621900
摘要
间接驱动内爆靶丸由外层CH涂层,内层玻璃球壳和内部充入的气体组成.当玻璃球外涂CH后,球内的气体只能抽检而没有无损测量方法.在大量实验和数据基础上,研究了液滴法制备空心玻璃微球气体渗透系数的差异和分布,利用数理统计方法对实验数据进行了分析和处理,计算了空心玻璃微球对氘气渗透系数的误差,微球预充气挑选方案产生的误差及分布.最后根据现在的抽样测量方案计算了误判的概率.
Abstract
Indirect-drive targets is a capsule encased in a cylindrical Au hohlraum with two laser entrance at opposite ends. The capsule is composed of gas fuel, glass shell and CH ablator. There is no way to measure the amount of gas fuel in the capsule after coating the CH layer. This paper focuses on the difference between the hollow glass microsphere general properties and the individual. Preliminary experiments have been performed to determine the statistical distribution of the hollow glass microsphere diameter, wall thickness and permeability based on the experiment data. The permeability differs although the diameter and wall thickness are the same. In order to measure the inner gas amount the permeability should keep homologenous or similar by taking any sample for measurement. A method is established to select hollow glass microsphere by gas-filling which has already been used in target fabrication in 2002.
参考文献

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张占文, 王朝阳, 李波, 杜守德, 魏胜, 黄勇, 高党忠, 袁玉萍, 林波, 初巧妹, 陈素芬. 空心微球气体总量抽样测量误差分析[J]. 强激光与粒子束, 2003, 15(12): 1205. 张占文, 王朝阳, 李波, 杜守德, 魏胜, 黄勇, 高党忠, 袁玉萍, 林波, 初巧妹, 陈素芬. Data analysis of the gas amount in hollow glass microsphere used for indirect-drive targets[J]. High Power Laser and Particle Beams, 2003, 15(12): 1205.

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