弹簧支撑自适应Z-pinch单层柱面丝阵负载研制
Method to fabricate self-adaptable cylindric wire-array load for Z-pinch physical experiments
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摘要: 在靶室阴、阳电极呈水平放置的电磁内爆加速器中,抽真空时电极间距会收缩变短,电极间的丝阵负载无法维持预定的分布状态,为此,设计出了一套单层柱面状丝阵负载制备技术,通过弹簧预先压缩足够长度使负载能自动适应电极间距变化,并利用一套可以拆卸的辅助装置固定负载各部件。对制备出的多种单层柱面丝阵负载的测试及靶场实验结果表明,负载能自动适应电极间距变化,最大收缩量达3mm,负载丝仍保持预定的分布并且绷紧,制备技术也便于负载的装配、运输和安装。Abstract: In Z-pinch physical experiments carried out on accelerators with horizontal cathode and anode, the distance between the electrodes will shorten by a scale of 2 ~3 mm while the chamber is pumped to vacuum. Due to this change, wires of the cylindric array loaded between the electrodes will loosen to a degree beyond the physical experiments. To solve this problem and to make sure that the wire-array can be fabricated, stored, transported and loaded to the electrodes, we make use of the spring's flexibilities and have developed a set of techniques to fabricate singlewalled cylindric wirearray. Due to the pressed spring, the fabricated wirearray will themselves fit the distance changes of the electrodes. And the loads can keep their designed initial states required by physical experiment
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