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丝阵含中心氘丝Z箍缩内爆的X射线诊断
X-ray Diagnosis of Z-pinch Implosions of Wire Array Centered by a Deuterated Fiber(In Chinese)
【摘要】 在强光一号装置上进行了钨丝阵和铝丝阵分别加氘丝(C8D8)Z箍缩实验。利用X光功率谱仪和十分幅纳秒X光分幅相机获得了X光功率和不同时刻负载内爆的X光图像。比较两种负载类型的功率谱仪数据,钨丝阵加氘丝负载的X光功率及X光辐射总能量都比较高。从图像来看,钨丝阵加镀银聚氘丝负载在箍缩过程中较铝丝阵加氘丝负载均匀。中子飞行时间谱仪的结果表明钨丝阵加氘丝Z箍缩等离子体能够产生最高1.5×109的脉冲DD中子,铝丝阵加氘丝负载最高产生DD中子3.4×108。
【Abstract】 Z-pinch experiments with tungsten wire array and aluminium wire array centered,respectively,by a deuterated fiber(C8D8) have been carried out on Qiangguang-1 facility.X-ray radiation power was obtained by an X-ray power meter(XRPM) and soft X-ray images were given by a ten-frame time-resolved pinhole camera.Comparing XRPM’s data of both two kinds of loads,tungsten wire arrays with C8D8 have a higher record of X-ray power and total radiation energy.The framing images indicate that implosions of tungsten wire arrays with C8D8 show a more ideal symmetry than those of aluminium ones.The neutron yield from the D-D reaction reached 1.5×109 per shot in a tungsten wire array with C8D8 and 3.4×108 per shot in an aluminium one.
【Key words】 Z-pinch of wire array; Implosions; Deuterated fiber; X-ray framing images;
- 【文献出处】 中国核科技报告 ,China Nuclear Science and Technology Report , 编辑部邮箱 ,2009年01期
- 【分类号】O434.12
- 【下载频次】45