Numerical simulation of electrical explosions in megagauss magnetic fields

Abstract

The paper reports on a magnetohydrodynamic simulation of electrical explosions of conductors in megagauss magnetic fields. It is shown that in a plane geometry, the time of plasma formation at the surface of a metal conductor does not depend on the rate of rise of the magnetic field and is determined by the properties of the metal; the absolute values of the magnetic field at which plasma is formed are 5±0.25 MGs for copper, 4.25±0.2 MGs for tungsten, 3.85±0.15 MGs for aluminum, and 3.6±0.25 MGs for titanium. In cylindrical geometry, the time of plasma formation does depend on the rate of field rise.

Original language	English
Article number	012029
Journal	Journal of Physics: Conference Series
Volume	830
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/830/1/012029
Publication status	Published - 4 May 2017
Event	5th International Congress on Energy Fluxes and Radiation Effects 2016, EFRE 2016 - Tomsk, Russian Federation Duration: 2 Oct 2016 → 7 Oct 2016

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1088/1742-6596/830/1/012029

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title = "Numerical simulation of electrical explosions in megagauss magnetic fields",

abstract = "The paper reports on a magnetohydrodynamic simulation of electrical explosions of conductors in megagauss magnetic fields. It is shown that in a plane geometry, the time of plasma formation at the surface of a metal conductor does not depend on the rate of rise of the magnetic field and is determined by the properties of the metal; the absolute values of the magnetic field at which plasma is formed are 5±0.25 MGs for copper, 4.25±0.2 MGs for tungsten, 3.85±0.15 MGs for aluminum, and 3.6±0.25 MGs for titanium. In cylindrical geometry, the time of plasma formation does depend on the rate of field rise.",

author = "Oreshkin, {V. I.} and Chaikovsky, {S. A.} and Khishchenko, {K. V.} and Oreshkin, {E. V.}",

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AB - The paper reports on a magnetohydrodynamic simulation of electrical explosions of conductors in megagauss magnetic fields. It is shown that in a plane geometry, the time of plasma formation at the surface of a metal conductor does not depend on the rate of rise of the magnetic field and is determined by the properties of the metal; the absolute values of the magnetic field at which plasma is formed are 5±0.25 MGs for copper, 4.25±0.2 MGs for tungsten, 3.85±0.15 MGs for aluminum, and 3.6±0.25 MGs for titanium. In cylindrical geometry, the time of plasma formation does depend on the rate of field rise.

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Numerical simulation of electrical explosions in megagauss magnetic fields

Abstract

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