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Abstract <p>A study of the propagation of a nonlinear diffusion wave of a magnetic field during the skin explosion of cylindrical hollow conductors and ones that have a deposited layer of higher conductivity was carried out on a MIG generator (current amplitude up to 2 MA with a rise time 100 ns). It was experimentally confirmed that a deposited layer with higher conductivity to a conductor slowing down the nonlinear diffusion of the magnetic field into the conductor. At the same time, despite the fact that the glow of the surface of a double-layer conductor in the visible range begins earlier, there was no difference in the velocity of expansion of the surface plasma of a homogeneous conductor and a double-layer one.</p>

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Nonlinear Diffusion of Magnetic Field in a Double-Layer Conductor with Deposited Layer of Higher Conductivity

  • 期刊论文

  • 发表日期：

    2025年10月28日

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  • N. A. Labetskaya,
  • S. A. Chaikovsky,
  • I. M. Datsko,
  • V. A. Vankevich,
  • V. I. Oreshkin

摘要

Abstract

A study of the propagation of a nonlinear diffusion wave of a magnetic field during the skin explosion of cylindrical hollow conductors and ones that have a deposited layer of higher conductivity was carried out on a MIG generator (current amplitude up to 2 MA with a rise time 100 ns). It was experimentally confirmed that a deposited layer with higher conductivity to a conductor slowing down the nonlinear diffusion of the magnetic field into the conductor. At the same time, despite the fact that the glow of the surface of a double-layer conductor in the visible range begins earlier, there was no difference in the velocity of expansion of the surface plasma of a homogeneous conductor and a double-layer one.