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Electrothermal Instability Studies on a Small Pulsed Power Device

机译：小型脉冲功率器件的电热不稳定性研究

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Summary form only given. Magnetized liner inertial fusion (MagLIF) [1, 2] is a pulsed-power driven approach to inertial confinement fusion. Electrothermal instabilities (ETI) are thought to seed Magneto-Rayleigh Taylor (MRT), sausage mode, and kink mode instabilities in the imploding liner of MagLIF [3]. Understanding ETI may provide a way to improve fusion performance in MagLIF through instability mitigation. A single-capacitor pulsed power device was built with a low peak current of 4 kA and a long risetime of 600 ns to lengthen the transition time from the solid phase to the vapor phase. We have studied ETI growth rates on this facility. These growth rates have good agreement with ETI theory [4]. Preliminary results have shown the value of this facility and a need to investigate ETI further. We report on recent modifications and improvements to the facility and plans for future ETI studies.
机译：仅提供摘要表格。磁化线性惯性聚变（MagLIF）[1，2]是脉冲功率驱动的惯性约束聚变方法。人们认为电热不稳定性（ETI）引发了MagLIF内衬中的Magneto-Rayleigh Taylor（MRT），香肠模式和扭结模式不稳定性[3]。了解ETI可能会提供一种通过减轻不稳定性来改善MagLIF中融合性能的方法。构建了具有4 kA的低峰值电流和600 ns的长上升时间的单电容器脉冲功率器件，以延长从固相到气相的过渡时间。我们已经研究了该设施的ETI增长率。这些增长率与ETI理论[4]吻合良好。初步结果表明该设施的价值，并需要进一步调查ETI。我们报告该设施的最新修改和改进以及未来ETI研究的计划。

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