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Teplofizika vysokikh temperatur, 2013, Volume 51, Issue 5, Pages 652–662
DOI: https://doi.org/10.7868/S0040364413050025
(Mi tvt126)
 

This article is cited in 9 scientific papers (total in 9 papers)

Plasma Investigations

Experimental study of the near-electrode plasma-tungsten cathode system in high-current atmospheric-pressure nitrogen arcs

A. A. Belevtsev, S. V. Goryachev, E. Kh. Isakaev, V. F. Chinnov

Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow, Russia
References:
Abstract: Results of spectroscopic and pyrometric studies of the near-electrode plasma-tungsten cathode system are presented. The 2D-spectra of radiation of the multiply ionized nitrogen plasma of electric-arc discharge under atmospheric pressure are obtained at different current values. The axial electron temperature in this plasma is determined depending on the distance from the cathode tip, and the temperature distribution over the current-collecting surface of the cathode is found. The high-speed visualization of the cathode-near-cathode plasma region made it possible to observe phase transitions on the cathode surface and processes of crack formation and detachment of its fragments. The power released at the cathode is analyzed including the contribution of the arc column resonance emission, and the peculiarities of phase transitions on the cathode surface are revealed. The densities of the electron emission current at the cathode are estimated theoretically and compared with the data obtained in the experiment. Possible causes of the difference between the theoretical values of the emission current density and those found experimentally are discussed.
Received: 29.11.2012
English version:
High Temperature, 2013, Volume 51, Issue 5, Pages 583–593
DOI: https://doi.org/10.1134/S0018151X13050027
Bibliographic databases:
Document Type: Article
UDC: 537.523
Language: Russian
Citation: A. A. Belevtsev, S. V. Goryachev, E. Kh. Isakaev, V. F. Chinnov, “Experimental study of the near-electrode plasma-tungsten cathode system in high-current atmospheric-pressure nitrogen arcs”, TVT, 51:5 (2013), 652–662; High Temperature, 51:5 (2013), 583–593
Citation in format AMSBIB
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\paper Experimental study of the near-electrode plasma-tungsten cathode system in high-current atmospheric-pressure nitrogen arcs
\jour TVT
\yr 2013
\vol 51
\issue 5
\pages 652--662
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\crossref{https://doi.org/10.7868/S0040364413050025}
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\jour High Temperature
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\issue 5
\pages 583--593
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Linking options:
  • https://www.mathnet.ru/eng/tvt126
  • https://www.mathnet.ru/eng/tvt/v51/i5/p652
  • This publication is cited in the following 9 articles:
    1. Laznickova I., Jakubova I., Senk J., “Modelling of a Heavy-Current Intensively Blasted Electric Arc At Atmospheric Pressure”, Plasma Sources Sci. Technol., 30:9 (2021), 095010  crossref  isi  scopus
    2. M A Sargsyan, D V Tereshonok, M Kh Gadzhiev, A S Tyuftyaev, V V Shcherbakov, “The destruction of pure metal cathodes during the initiation of direct current arc”, J. Phys.: Conf. Ser., 1787:1 (2021), 012059  crossref
    3. Sargsyan M.A., Tereshonok D.V., Gadzhiev M.Kh., Tyuftyaev A.S., “Mechanism of Mass Expulsion From the Surface of a Pure Tungsten Cathode During Dc Arc Initiation”, EPL, 131:4 (2020), 45002  crossref  isi  scopus
    4. Sargsyan M.A., Tereshonok D.V., Valyano G.E., Scherbakov V.V., Konovalov P.A., Gadzhiev M.Kh., “Features of the Arc Binding Region Structure on the Surface of the Thoriated Cathode in Atmospheric Pressured Argon”, Phys. Plasmas, 27:2 (2020), 023506  crossref  isi  scopus
    5. J. Senk, I. Laznickova, I. Jakubova, “Updated version of the simplified model of intensively blasted electric arc”, Acta Polytech., 58:4 (2018), 264–270  crossref  isi  scopus
    6. A. A. Belevtsev, S. V. Goryachev, E. Kh. Isakaev, V. F. Chinnov, “Lifetime of the thermoemission cathodes of nitrogen plasma generators”, High Temperature, 54:6 (2016), 789–795  mathnet  crossref  crossref  isi  elib
    7. M. Kh. Gadzhiev, M. A. Sargsyan, D. V. Tereshonok, A. S. Tyuftyaev, “One more study of argon arc binding to pure tungsten cathode”, EPL, 115:3 (2016), 35002  crossref
    8. Cheng X., Li W., Hang W., Huang B., “Depth Profiling of Nanometer Thin Layers By Pulsed Micro-Discharge With Inductively Coupled Plasma Mass Spectrometry”, Spectroc. Acta Pt. B-Atom. Spectr., 111 (2015), 52–56  crossref  isi
    9. Gadzhiev M.Kh. Sargsyan M.A. Tereshonok D.V. Tyuftyaev A.S., “Investigation of the Argon Arc Binding To the Lanthanated Tungsten Cathode”, EPL, 111:2 (2015), 25001  crossref  isi  elib
    Citing articles in Google Scholar: Russian citations, English citations
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