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dc.contributor.author
Cejas, Ezequiel
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dc.contributor.author
Mancinelli, Beatriz Rosa
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dc.contributor.author
Prevosto, Leandro
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dc.date.available
2022-02-11T02:54:04Z
dc.date.issued
2019-08
dc.identifier.citation
Cejas, Ezequiel; Mancinelli, Beatriz Rosa; Prevosto, Leandro; Glow discharge in a high-velocity air flow: The role of the associative ionization reactions involving excited atoms; Multidisciplinary Digital Publishing Institute; Materials; 12; 16; 8-2019; 1-16
dc.identifier.issn
1996-1944
dc.identifier.uri
http://hdl.handle.net/11336/151832
dc.description.abstract
A kinetic scheme for non-equilibrium regimes of atmospheric pressure air discharges is developed. A distinctive feature of this model is that it includes associative ionization with the participation of N(2D, 2P) atoms. The thermal dissociation of vibrationally excited nitrogen molecules and the electronic excitation from all the vibrational levels of the nitrogen molecules are also accounted for. The model is used to simulate the parameters of a glow discharge ignited in a fast longitudinal flow of preheated (T0 = 1800–2900 K) air. The results adequately describe the dependence of the electric field in the glow discharge on the initial gas temperature. For T0 = 1800 K, a substantial acceleration in the ionization kinetics of the discharge is found at current densities larger than 3 A/cm2 , mainly due to the N(2P) + O(3P) → NO+ + e process; being the N(2P) atoms produced via quenching of N2(A3P u +) molecules by N(4S) atoms. Correspondingly, the reduced electric field noticeably falls because the electron energy (6.2 eV) required for the excitation of the N2(A3P u +) state is considerably lower than the ionization energy (9.27 eV) of the NO molecules. For higher values of T0, the associative ionization N(2D) + O(3P) → NO+ + e process (with a low–activation barrier of 0.38 eV) becomes also important in the production of charged particles. The N(2D) atoms being mainly produced via quenching of N2(A3P u +) molecules by O(3P) atoms.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Multidisciplinary Digital Publishing Institute
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
AIR KINETIC SCHEME
dc.subject
GLOW DISCHARGE
dc.subject
NON-EQUILIBRIUM DISCHARGE
dc.subject.classification
Física de los Fluidos y Plasma
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Glow discharge in a high-velocity air flow: The role of the associative ionization reactions involving excited atoms
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-11-27T18:47:55Z
dc.journal.volume
12
dc.journal.number
16
dc.journal.pagination
1-16
dc.journal.pais
Suiza
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dc.description.fil
Fil: Cejas, Ezequiel. Universidad Tecnológica Nacional. Facultad Regional Venado Tuerto; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Mancinelli, Beatriz Rosa. Universidad Tecnológica Nacional. Facultad Regional Venado Tuerto; Argentina
dc.description.fil
Fil: Prevosto, Leandro. Universidad Tecnológica Nacional. Facultad Regional Venado Tuerto; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.journal.title
Materials
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.3390/ma12162524
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.mdpi.com/1996-1944/12/16/2524
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