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Diffusion of Collisional Plasma by the Example of a High-Current Arc in He: Binary and Trinary Ionized Mixtures.

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Title: Diffusion of Collisional Plasma by the Example of a High-Current Arc in He: Binary and Trinary Ionized Mixtures.
Authors: Korshunov, O. V.1 (AUTHOR), Kavyrshin, D. I.1,2 (AUTHOR) dimakav@rambler.ru, Chinnov, V. F.1,2 (AUTHOR)
Source: High Temperature. Oct2023, Vol. 61 Issue 5, p585-594. 10p.
Subjects: Collisional plasma, Plasma diffusion, Plasma arcs, Mixtures, Plasma gases, Binary mixtures, Gas mixtures, Electric arc, Electron impact ionization
Abstract: In this study the applicability of the binary mixture model utilizing the first-order gas-kinetic Chapman–Enskog theory is substantiated for describing diffusion processes at different degrees of ionization of a single-temperature simple gas plasma consisting of three components: atoms, ions and electrons. On the same bases, the obtained expressions for a trinary mixture are applicable to a plasma with a fourth component that is difficult to ionize. The thermal diffusion relations of a trinary mixture are derived, whose peculiarity is the electronic component, which does not affect the diffusion flows of atoms and ions. It is shown that in a highly ionized He arc plasma with developed diffusion and ionization nonequilibrium, thermal diffusion is insignificant. It is noted that when thermodynamic equilibrium is violated, the diffusion coefficients may not change at all or decrease by half at most. [ABSTRACT FROM AUTHOR]
Copyright of High Temperature 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: Diffusion of Collisional Plasma by the Example of a High-Current Arc in He: Binary and Trinary Ionized Mixtures.
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  Data: <searchLink fieldCode="DE" term="%22Collisional+plasma%22">Collisional plasma</searchLink><br /><searchLink fieldCode="DE" term="%22Plasma+diffusion%22">Plasma diffusion</searchLink><br /><searchLink fieldCode="DE" term="%22Plasma+arcs%22">Plasma arcs</searchLink><br /><searchLink fieldCode="DE" term="%22Mixtures%22">Mixtures</searchLink><br /><searchLink fieldCode="DE" term="%22Plasma+gases%22">Plasma gases</searchLink><br /><searchLink fieldCode="DE" term="%22Binary+mixtures%22">Binary mixtures</searchLink><br /><searchLink fieldCode="DE" term="%22Gas+mixtures%22">Gas mixtures</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+arc%22">Electric arc</searchLink><br /><searchLink fieldCode="DE" term="%22Electron+impact+ionization%22">Electron impact ionization</searchLink>
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  Data: In this study the applicability of the binary mixture model utilizing the first-order gas-kinetic Chapman–Enskog theory is substantiated for describing diffusion processes at different degrees of ionization of a single-temperature simple gas plasma consisting of three components: atoms, ions and electrons. On the same bases, the obtained expressions for a trinary mixture are applicable to a plasma with a fourth component that is difficult to ionize. The thermal diffusion relations of a trinary mixture are derived, whose peculiarity is the electronic component, which does not affect the diffusion flows of atoms and ions. It is shown that in a highly ionized He arc plasma with developed diffusion and ionization nonequilibrium, thermal diffusion is insignificant. It is noted that when thermodynamic equilibrium is violated, the diffusion coefficients may not change at all or decrease by half at most. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of High Temperature 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/S0018151X23050085
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        Text: English
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      – SubjectFull: Collisional plasma
        Type: general
      – SubjectFull: Plasma diffusion
        Type: general
      – SubjectFull: Plasma arcs
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      – SubjectFull: Electron impact ionization
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      – TitleFull: Diffusion of Collisional Plasma by the Example of a High-Current Arc in He: Binary and Trinary Ionized Mixtures.
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              Text: Oct2023
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