About: Radial profiles of the emission spectra of dc glow discharge sustained in molecular gases at medium pressures

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About: Radial profiles of the emission spectra of dc glow discharge sustained in molecular gases at medium pressures Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1088/0031-8949/2014/T161/014056
Description	The results of a study of the radial dependence of the emission spectra of the active dc glow discharge sustained in pure oxygen and in mixtures of CO2, N-2 and He are presented. Optical emission spectroscopy has been employed to determine parameters such as rotational and vibrational temperature. Considering the CO2-N-2-He mixtures, we were also able to determine the [CO]/[N-2] relative concentration using the method of optical emission actinometry. The dc glow discharge in pure oxygen has been studied for pressures of 200-400 Pa and for discharge currents 20 and 40mA. The profile was found to be flat, independent of the discharge parameters and an increase in the rotational temperature with increasing pressure and discharge current was observed. The radial profile of the vibrational temperature of nitrogen in the CO2-N-2-He mixture was flat for all studied pressures (400-1330 Pa) and all discharge currents (10-40mA). The radial profile of the [CO] relative concentration exhibited a local maximum at approximately half the radius of the discharge tube for 400 Pa. It increased uniformly from the centre to the wall of the tube at a pressure of 1330 Pa. The results of a study of the radial dependence of the emission spectra of the active dc glow discharge sustained in pure oxygen and in mixtures of CO2, N-2 and He are presented. Optical emission spectroscopy has been employed to determine parameters such as rotational and vibrational temperature. Considering the CO2-N-2-He mixtures, we were also able to determine the [CO]/[N-2] relative concentration using the method of optical emission actinometry. The dc glow discharge in pure oxygen has been studied for pressures of 200-400 Pa and for discharge currents 20 and 40mA. The profile was found to be flat, independent of the discharge parameters and an increase in the rotational temperature with increasing pressure and discharge current was observed. The radial profile of the vibrational temperature of nitrogen in the CO2-N-2-He mixture was flat for all studied pressures (400-1330 Pa) and all discharge currents (10-40mA). The radial profile of the [CO] relative concentration exhibited a local maximum at approximately half the radius of the discharge tube for 400 Pa. It increased uniformly from the centre to the wall of the tube at a pressure of 1330 Pa. (en)
Title	Radial profiles of the emission spectra of dc glow discharge sustained in molecular gases at medium pressures Radial profiles of the emission spectra of dc glow discharge sustained in molecular gases at medium pressures (en)
skos:prefLabel	Radial profiles of the emission spectra of dc glow discharge sustained in molecular gases at medium pressures Radial profiles of the emission spectra of dc glow discharge sustained in molecular gases at medium pressures (en)
skos:notation	RIV/00216208:11320/14:10289652!RIV15-MSM-11320___
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(GAP205/10/0979), S
http://linked.open...iv/cisloPeriodika	T161
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Hrachová, Věra Laca, Marek Schmiedt, Lukáš Kaňka, Adolf Morávek, Matěj Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	41184
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/14:10289652
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	positive column forms; emission spectroscopy; oxygen plasma; glow discharge plasma (en)
http://linked.open.../riv/klicoveSlovo	emission spectroscopy oxygen plasma glow discharge plasma positive column forms
http://linked.open...odStatuVydavatele	SE - Švédské království
http://linked.open...ontrolniKodProRIV	[0F7CBB54B6B8]
http://linked.open...i/riv/nazevZdroje	Physica Scripta
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Study of the interaction of chemically active plasmas with solid surfaces at medium and higher pressures
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	2014
http://linked.open...iv/tvurceVysledku	Hrachová, Věra Laca, Marek Kaňka, Adolf Schmiedt, Lukáš Morávek, Matěj Jan
http://linked.open...ain/vavai/riv/wos	000339620200057
issn	0031-8949
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/0031-8949/2014/T161/014056
http://localhost/t...ganizacniJednotka	11320

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