Teplofizika vysokikh temperatur
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Teplofizika vysokikh temperatur, 2013, Volume 51, Issue 2, Pages 163–169 (Mi tvt69)  

This article is cited in 11 scientific papers (total in 11 papers)

Plasma Investigations

Nonequilibrium state of highly ionized helium plasma at atmospheric pressure

E. Kh. Isakaev, V. F. Chinnov, M. A. Sargsyan, D. I. Kavyrshin

Joint Institute for High Temperatures, Russian Academy of Sciences, Izhorskaya ul. 13-2, Moscow, 127412, Russia
References:
Abstract: A spectral study of arc helium plasma of atmospheric pressure with the electron density $n_e\leqslant10^{17}\text{ cm}^{-3}$ and the ionization degree of $\sim0.25$ is performed. The character of the population of $\mathrm{HeI}$ levels with the excitation energy of $20.96$$24.04$ eV, which indicates infeasibility of the Boltzmann law with the electron temperature $T_e$ for describing the relative population of excited $\mathrm{HeI}$ states, is experimentally determined. Due to the experimentally revealed unfitness of the local thermodynamic equilibrium (LTE) model for estimating $T_e$, mixed contours of the $\mathrm{HeI}$ $1083$ line were divided into the Lorentz and Gaussian components. As a result, both the Stark effect constant that is poorly studied for this line and the temperature of heavy particles $T_g$ in the plasma were estimated based on the Doppler component of its Gaussian half-width. As the arc current varied from $200$ to $400$ A, $T_g$ increased from $20000$ to $25 500$ K, while the increase in the ionization temperature was, in this case, negligible (from $20000$ to $21000$ K).
Received: 29.06.2012
English version:
High Temperature, 2013, Volume 51, Issue 2, Pages 141–146
DOI: https://doi.org/10.1134/S0018151X13020090
Bibliographic databases:
Document Type: Article
UDC: 535.343
Language: Russian
Citation: E. Kh. Isakaev, V. F. Chinnov, M. A. Sargsyan, D. I. Kavyrshin, “Nonequilibrium state of highly ionized helium plasma at atmospheric pressure”, TVT, 51:2 (2013), 163–169; High Temperature, 51:2 (2013), 141–146
Citation in format AMSBIB
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\by E.~Kh.~Isakaev, V.~F.~Chinnov, M.~A.~Sargsyan, D.~I.~Kavyrshin
\paper Nonequilibrium state of highly ionized helium plasma at atmospheric pressure
\jour TVT
\yr 2013
\vol 51
\issue 2
\pages 163--169
\mathnet{http://mi.mathnet.ru/tvt69}
\elib{https://elibrary.ru/item.asp?id=18822178}
\transl
\jour High Temperature
\yr 2013
\vol 51
\issue 2
\pages 141--146
\crossref{https://doi.org/10.1134/S0018151X13020090}
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\scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-84880662315}
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  • This publication is cited in the following 11 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    Teplofizika vysokikh temperatur Teplofizika vysokikh temperatur
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