About: Study of Expanding Thermal Plasma Jet Using Molecular Spectra

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Thermal plasmas generated by plasma torches are well-known for their high temperatures and high enthalpies. Therefore optical emission spectroscopy is appropriate diagnostic method because of strong emission of radiation corresponding to the visible light. The decay of excited atoms, ions and molecules causes emission of the light at characteristic wavelengths. Except spectral lines of atoms and ions, also some molecular bands can be seen in the spectra of the plasma jet. Especially expanding thermal plasma jet operated under low pressure conditions offers possibility of observing molecular transitions. Pressure lower than atmospheric may cause the presence of supersonic flow and departures from thermodynamic equilibrium. Spectra of OH radical have been investigated using computer code LIFBASE, which contains a lot of data regarding spectra of diatomic molecules. Radial profiles of rotational and vibrational temperatures have been found in several regions of the jet. Thermal plasmas generated by plasma torches are well-known for their high temperatures and high enthalpies. Therefore optical emission spectroscopy is appropriate diagnostic method because of strong emission of radiation corresponding to the visible light. The decay of excited atoms, ions and molecules causes emission of the light at characteristic wavelengths. Except spectral lines of atoms and ions, also some molecular bands can be seen in the spectra of the plasma jet. Especially expanding thermal plasma jet operated under low pressure conditions offers possibility of observing molecular transitions. Pressure lower than atmospheric may cause the presence of supersonic flow and departures from thermodynamic equilibrium. Spectra of OH radical have been investigated using computer code LIFBASE, which contains a lot of data regarding spectra of diatomic molecules. Radial profiles of rotational and vibrational temperatures have been found in several regions of the jet. (en) Práce se zabývá studiem termického plazmatu generovaného v plazmatronech s využitím metod optické emisní spektroskopie. V případě provozu při sníženém tlaku jsme pozorovali spektra molekuly OH, které jsme dále zkoumali s pomocí programu LIFBASE. Určili jsme rotační a vibrační teploty, které do určité míry charakterizují teploty těžkých částic a elektronů, a mají vztah ke stupni termodynamické nerovnováhy v plazmatu. (cs)
Title	Study of Expanding Thermal Plasma Jet Using Molecular Spectra Studium expandujícího proudu termického plazmatu s využitím molekulových spekter (cs) Study of Expanding Thermal Plasma Jet Using Molecular Spectra (en)
skos:prefLabel	Study of Expanding Thermal Plasma Jet Using Molecular Spectra Studium expandujícího proudu termického plazmatu s využitím molekulových spekter (cs) Study of Expanding Thermal Plasma Jet Using Molecular Spectra (en)
skos:notation	RIV/61389021:_____/05:00022197!RIV06-GA0-61389021
http://linked.open.../vavai/riv/strany	141;144
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GD203/03/H140)
http://linked.open...vai/riv/dodaniDat	2006
http://linked.open...aciTvurceVysledku	Sember, Viktor Mašláni, Alan
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky plazmatu AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	545223
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/05:00022197
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	thermal plasma Jet; optical emission spectroscopy; OH radical (en)
http://linked.open.../riv/klicoveSlovo	optical emission spectroscopy OH radical thermal plasma Jet
http://linked.open...ontrolniKodProRIV	[A72DF7BC47A8]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Brno
http://linked.open...i/riv/nazevZdroje	Proceedings of the XVIth Symposium on Physics of Switching Arc
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Organised materials for highly selective catalytic and separation processes
http://linked.open...UplatneniVysledku	2005
http://linked.open...iv/tvurceVysledku	Mašláni, Alan Sember, Viktor
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2005-09-05 (xsd:date)
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Neuveden
https://schema.org/isbn	80-214-2931-3

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