Model of shock-wave magnetic cumulation

Gilev SD

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Model of shock-wave magnetic cumulation

机译：冲击波磁累积模型

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A shock-wave magnetic cumulation technique is used to generate a megagauss magnetic field in an aluminium powder under quasi-cylindrical geometry. A magnetohydrodynamic (MHD) model of shock-wave magnetic cumulation is proposed. The model is based on the Oh-Persson equation of state and experimental data on electrical conductivity of powders. The 1D simulation reveals the features of the MHD flow under converging of the cylindrical shock wave. The experimental record of the magnetic field in the generator is in reasonable agreement with simulation results. This fact validates the model and allows one to optimize the cumulation system for producing a higher magnetic field.

机译：冲击波磁累积技术用于在准圆柱几何形状下的铝粉中产生兆高斯磁场。提出了冲击波磁累积的磁流体动力学模型。该模型基于Oh-Persson状态方程和粉末电导率的实验数据。一维模拟揭示了在圆柱形冲击波会聚下MHD流动的特征。发电机中磁场的实验记录与仿真结果基本吻合。这一事实验证了模型，并允许人们优化累积系统以产生更高的磁场。

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《Journal of Physics, D. Applied Physics: A Europhysics Journal》 |2009年第2期|共6页
作者
Gilev SD;
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原文格式 PDF
正文语种 eng
中图分类应用物理学;
关键词
COMPRESSED CONDUCTIVE REGION; FLUX-COMPRESSION; METAL TRANSITION; PROPAGATION; POWDERS; FIELDS;

机译：压缩导电区域;通量压缩;金属转变;传播;粉末;电场;

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机译：冲击波磁累积模型
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Model of shock-wave magnetic cumulation

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