The Initial Stage of Neck Formation in an X-Pinch

Abstract

A model is proposed to describe the initial stage of neck formation in an X-pinch that proceeds in three stages: the electrical explosion of metal wires that generates the X-pinch; the expansion of the wire material that occurs due to an excess of the gas-kinetic pressure over the pressure of the magnetic field. The model allows one to predict the minimum rate of current rise at which the formation of a "hot spot" in an X-pinch is possible. The minimum current rise rate is determined by the thermodynamic parameters of the wires at a critical point; it is of the order of 1 kA/ns.

Original language	English
Article number	012013
Journal	Journal of Physics: Conference Series
Volume	830
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/830/1/012013
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)

Access to Document

10.1088/1742-6596/830/1/012013

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title = "The Initial Stage of Neck Formation in an X-Pinch",

abstract = "A model is proposed to describe the initial stage of neck formation in an X-pinch that proceeds in three stages: the electrical explosion of metal wires that generates the X-pinch; the expansion of the wire material that occurs due to an excess of the gas-kinetic pressure over the pressure of the magnetic field. The model allows one to predict the minimum rate of current rise at which the formation of a {"}hot spot{"} in an X-pinch is possible. The minimum current rise rate is determined by the thermodynamic parameters of the wires at a critical point; it is of the order of 1 kA/ns.",

author = "Oreshkin, {V. I.} and Artyomov, {A. P.} and Chaikovsky, {S. A.} and Oreshkin, {E. V.} and Tsventoukh, {M. M.}",

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AU - Tsventoukh, M. M.

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N2 - A model is proposed to describe the initial stage of neck formation in an X-pinch that proceeds in three stages: the electrical explosion of metal wires that generates the X-pinch; the expansion of the wire material that occurs due to an excess of the gas-kinetic pressure over the pressure of the magnetic field. The model allows one to predict the minimum rate of current rise at which the formation of a "hot spot" in an X-pinch is possible. The minimum current rise rate is determined by the thermodynamic parameters of the wires at a critical point; it is of the order of 1 kA/ns.

AB - A model is proposed to describe the initial stage of neck formation in an X-pinch that proceeds in three stages: the electrical explosion of metal wires that generates the X-pinch; the expansion of the wire material that occurs due to an excess of the gas-kinetic pressure over the pressure of the magnetic field. The model allows one to predict the minimum rate of current rise at which the formation of a "hot spot" in an X-pinch is possible. The minimum current rise rate is determined by the thermodynamic parameters of the wires at a critical point; it is of the order of 1 kA/ns.

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The Initial Stage of Neck Formation in an X-Pinch

Abstract

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