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Spectral Pyrometry of Dusty Plasma During an Electric Explosion of a Tungsten Wire.

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Title: Spectral Pyrometry of Dusty Plasma During an Electric Explosion of a Tungsten Wire.
Authors: Alabin, K. A.1 (AUTHOR) alabin.kirill@gmail.com, Arshba, R. M.2 (AUTHOR), Voitenko, D. A.2 (AUTHOR), Pilia, N. D.2 (AUTHOR), Saretsyan, G. V.2 (AUTHOR), Sviridov, A. P.2 (AUTHOR), Urutskoev, L. I.2 (AUTHOR), Filippov, D. V.3 (AUTHOR), Chikovani, N. Z.2 (AUTHOR)
Source: Plasma Physics Reports. Jan2026, Vol. 52 Issue 1, p53-68. 16p.
Subjects: Pyrometry, Temperature measurements, Optical spectra, Explosions, Tungsten electrodes, Plasma radiation, Dusty plasmas
Abstract: It is well known that the optical spectrum of the radiation produced during the electric explosion of tungsten wires (EEW) in vacuum is composed of both line and continuous components. A detailed description of a spectral pyrometry method is presented, which allows one to use the shape of the Planck component of the continuous spectrum to determine the effective temperature of the explosion products. The effect of temperature growth during the EEW on the measurements of effective and maximum temperatures is discussed. Results are presented from numerical simulations of temperature for different time dependences of its dynamics. It is shown that, under the linear approximation of temperature growth, the calculated results agree satisfactorily with experimental data. It is shown that, when the wire reaches the tungsten boiling point, no Planck continuous spectrum is observed. The developed method allows one to estimate the absolute luminous flux during EEW. It is shown that the light radiation from EEW products is volumetric. Additionally, during the electric explosion, an extra continuous spectrum—relative to the Planck spectrum—is observed in the 360–500 nm wavelength range, which is produced by nonequilibrium radiation. The characteristics of this nonequilibrium radiation and its dependence on the diameter of the exploding wire were obtained and possible mechanisms of its production are also discussed. [ABSTRACT FROM AUTHOR]
Copyright of Plasma Physics Reports is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Spectral Pyrometry of Dusty Plasma During an Electric Explosion of a Tungsten Wire.
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  Data: <searchLink fieldCode="AR" term="%22Alabin%2C+K%2E+A%2E%22">Alabin, K. A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> alabin.kirill@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Arshba%2C+R%2E+M%2E%22">Arshba, R. M.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Voitenko%2C+D%2E+A%2E%22">Voitenko, D. A.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pilia%2C+N%2E+D%2E%22">Pilia, N. D.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Saretsyan%2C+G%2E+V%2E%22">Saretsyan, G. V.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sviridov%2C+A%2E+P%2E%22">Sviridov, A. P.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Urutskoev%2C+L%2E+I%2E%22">Urutskoev, L. I.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Filippov%2C+D%2E+V%2E%22">Filippov, D. V.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chikovani%2C+N%2E+Z%2E%22">Chikovani, N. Z.</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Plasma+Physics+Reports%22">Plasma Physics Reports</searchLink>. Jan2026, Vol. 52 Issue 1, p53-68. 16p.
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  Data: <searchLink fieldCode="DE" term="%22Pyrometry%22">Pyrometry</searchLink><br /><searchLink fieldCode="DE" term="%22Temperature+measurements%22">Temperature measurements</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+spectra%22">Optical spectra</searchLink><br /><searchLink fieldCode="DE" term="%22Explosions%22">Explosions</searchLink><br /><searchLink fieldCode="DE" term="%22Tungsten+electrodes%22">Tungsten electrodes</searchLink><br /><searchLink fieldCode="DE" term="%22Plasma+radiation%22">Plasma radiation</searchLink><br /><searchLink fieldCode="DE" term="%22Dusty+plasmas%22">Dusty plasmas</searchLink>
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  Data: It is well known that the optical spectrum of the radiation produced during the electric explosion of tungsten wires (EEW) in vacuum is composed of both line and continuous components. A detailed description of a spectral pyrometry method is presented, which allows one to use the shape of the Planck component of the continuous spectrum to determine the effective temperature of the explosion products. The effect of temperature growth during the EEW on the measurements of effective and maximum temperatures is discussed. Results are presented from numerical simulations of temperature for different time dependences of its dynamics. It is shown that, under the linear approximation of temperature growth, the calculated results agree satisfactorily with experimental data. It is shown that, when the wire reaches the tungsten boiling point, no Planck continuous spectrum is observed. The developed method allows one to estimate the absolute luminous flux during EEW. It is shown that the light radiation from EEW products is volumetric. Additionally, during the electric explosion, an extra continuous spectrum—relative to the Planck spectrum—is observed in the 360–500 nm wavelength range, which is produced by nonequilibrium radiation. The characteristics of this nonequilibrium radiation and its dependence on the diameter of the exploding wire were obtained and possible mechanisms of its production are also discussed. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Group: Ab
  Data: <i>Copyright of Plasma Physics Reports is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1134/S1063780X25604389
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        Text: English
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    Subjects:
      – SubjectFull: Pyrometry
        Type: general
      – SubjectFull: Temperature measurements
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      – SubjectFull: Optical spectra
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      – SubjectFull: Explosions
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      – SubjectFull: Tungsten electrodes
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      – SubjectFull: Plasma radiation
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      – SubjectFull: Dusty plasmas
        Type: general
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      – TitleFull: Spectral Pyrometry of Dusty Plasma During an Electric Explosion of a Tungsten Wire.
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              Text: Jan2026
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