表面绝缘铝平面丝阵Z箍缩实验研究

在"强光一号"装置(1.3 MA,100 ns)上进行了镀2μm聚酰亚胺绝缘膜平面铝丝阵与普通铝丝阵Z箍缩对比实验研究.实验结果表明,表面绝缘能够影响Z箍缩内爆动力学和辐射特性.通过简单理论分析,表面绝缘可能会增加初始阶段的能量沉积和参与内爆的质量;表面绝缘对于抑制平面丝阵多峰现象有明显作用,然而在所进行的实验中,并未观察到对X射线产额的改善作用.

Experimental study of insulated aluminum planar wire array Z pinches

The planar wire array Z pinch experiments with insulated aluminum wires coated with 2 μm polyimide were carried out on "QiangGuang-I" facility (100ns, 1.3 MA) and compared to those with ordinary aluminum wires. Experimental results indicate that surface insulation can affect the implosion dynamics and radiation character of Z pinches. The resistive heating energy and imploding mass may be increased by exploiting the effect of surface insulation. In the surface-insulated wire array Z pinch experiments the multi-peak phenomena were considerably suppressed, whereas the improvement on the X-ray yield was not observed.
Keywords：surface insulationaluminum planar wire arrayZ pinchimplosion character