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TVT, 2011, Volume 49, Issue 5, Pages 649–657 (Mi tvt526)  

This article is cited in 3 scientific papers (total in 3 papers)

Plasma Investigations

Study of the Direct Current Breakage Process in an External Nonuniform Magnetic Field

E. F. Prozorov, K. N. Ulyanov, V. A. Fedorov, Ya. I. Londer

Russian Electrotechnical Institute Named after V. I. Lenin

Abstract: We study experimentally the influence of an external nonuniform magnetic field with transverse and longitudinal components on the electric characteristics, plasma configuration, and cathode spot arrangement of vaccum-arc discharge. It is revealed that for a cylindrical cathode, cathode spots are nonuniformly distributed on the cathode surface, the spot configuration has no axial symmetry, and the arrangement of spots changes in time depending on the induction value of the external pulsed magnetic field. With an increase in induction, spots (on average) are arranged closer to the cathode, i.e., displaced to the region of weaker transverse field. For two cathode geometries, the probabilities of direct current breakage depending on the induction of the external non-uniform magnetic field are experimentally determined. To determine the conditions of current breakage, a three-dimensional mathematical model of ion motion is suggested and the current breakage criterion is formulated. The trajectories of fast cathode ions in an electrode system with a ring cathode have been calculated using the model. Calculations were performed in a nonuniform magnetic field, the radial and axial components of which have been measured experimentally. It is shown that conditions of current breakage determined with this criterion agree with the results of experiment.

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English version:
High Temperature, 2011, 49:5, 629–636

Bibliographic databases:

UDC: 537.525.5
Received: 08.04.2010

Citation: E. F. Prozorov, K. N. Ulyanov, V. A. Fedorov, Ya. I. Londer, “Study of the Direct Current Breakage Process in an External Nonuniform Magnetic Field”, TVT, 49:5 (2011), 649–657; High Temperature, 49:5 (2011), 629–636

Citation in format AMSBIB
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\paper Study of the Direct Current Breakage Process in an External Nonuniform Magnetic Field
\jour TVT
\yr 2011
\vol 49
\issue 5
\pages 649--657
\mathnet{http://mi.mathnet.ru/tvt526}
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\transl
\jour High Temperature
\yr 2011
\vol 49
\issue 5
\pages 629--636
\crossref{https://doi.org/10.1134/S0018151X1105018X}
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    Citing articles on Google Scholar: Russian citations, English citations
    Related articles on Google Scholar: Russian articles, English articles

    This publication is cited in the following articles:
    1. V. A. Shakhatov, Yu. A. Lebedev, “Radiation spectroscopy in the study of the influence of a helium-nitrogen mixture composition on parameters of DC glow discharge and microwave discharge”, High Temperature, 50:5 (2012), 658–681  mathnet  crossref  isi  elib  elib
    2. E. F. Prozorov, K. N. Ul'yanov, V. A. Fedorov, “Dynamics studies of cathode spots in a vacuum-arc discharge with ring electrodes”, High Temperature, 51:2 (2013), 153–159  mathnet  crossref  isi  elib  elib
    3. E. F. Prozorov, K. N. Ulyanov, V. A. Fedorov, “Switching of the Vacuum-Arc Discharge Direct Current”, High Temperature, 52:2 (2014), 179–184  mathnet  crossref  crossref  isi  elib  elib
  • Teplofizika vysokikh temperatur Teplofizika vysokikh temperatur
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