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Investigation of electrical conductivity and equations of state of non-ideal plasma through underwater electrical wire explosion

机译：水下电线爆炸下非理想等离子体的电导率和状态方程研究

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The results of experiments and magnetohydrodynamic simulations of nanosecond time scale underwater electrical explosions of Al, Cu, and W wires are presented. Experiments were performed using a nanosecond pulsed generator with a ～30 kA amplitude and ～60 ns rise time current pulse. The electrical conductivity of the tested materials in the density and temperature ranges of 0.1-20 g/ cm3s and 0.03-8 eV, respectively, is presented. It is shown that for the physical conditions obtained in these experiments, the equation of state data used in the SESAME tables must be modified in order to reproduce the experimental results. Also, it was shown that the electrical conductivity of the metals does not consistently fit over the entire range of experimental conditions with either of the transport models presented.
机译：给出了铝，铜和钨丝纳秒级水下电爆炸的实验结果和磁流体动力学模拟。实验是使用纳秒级脉冲发生器进行的，该发生器的振幅为〜30 kA，上升时间电流脉冲为〜60 ns。给出了被测试材料在0.1-20 g / cm3s和0.03-8 eV的密度和温度范围内的电导率。结果表明，对于在这些实验中获得的物理条件，必须修改SESAME表中使用的状态数据方程，以重现实验结果。此外，还显示出，无论采用哪种传输模型，金属的电导率都不能在整个实验条件范围内始终保持一致。

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