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Statements

Subject Item
n2:RIV%2F61389021%3A_____%2F05%3A00022197%21RIV06-GA0-61389021
rdf:type
n4:Vysledek skos:Concept
dcterms: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. 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.
dcterms:title
Studium expandujícího proudu termického plazmatu s využitím molekulových spekter Study of Expanding Thermal Plasma Jet Using Molecular Spectra Study of Expanding Thermal Plasma Jet Using Molecular Spectra
skos:prefLabel
Studium expandujícího proudu termického plazmatu s využitím molekulových spekter Study of Expanding Thermal Plasma Jet Using Molecular Spectra Study of Expanding Thermal Plasma Jet Using Molecular Spectra
skos:notation
RIV/61389021:_____/05:00022197!RIV06-GA0-61389021
n5:strany
141;144
n5:aktivita
n12:P
n5:aktivity
P(GD203/03/H140)
n5:dodaniDat
n9:2006
n5:domaciTvurceVysledku
n8:1743163 n8:4668162
n5:druhVysledku
n15:D
n5:duvernostUdaju
n7:S
n5:entitaPredkladatele
n13:predkladatel
n5:idSjednocenehoVysledku
545223
n5:idVysledku
RIV/61389021:_____/05:00022197
n5:jazykVysledku
n16:eng
n5:klicovaSlova
thermal plasma Jet; optical emission spectroscopy; OH radical
n5:klicoveSlovo
n10:OH%20radical n10:thermal%20plasma%20Jet n10:optical%20emission%20spectroscopy
n5:kontrolniKodProRIV
[A72DF7BC47A8]
n5:mistoKonaniAkce
Brno
n5:mistoVydani
Brno
n5:nazevZdroje
Proceedings of the XVIth Symposium on Physics of Switching Arc
n5:obor
n14:BL
n5:pocetDomacichTvurcuVysledku
2
n5:pocetTvurcuVysledku
2
n5:projekt
n18:GD203%2F03%2FH140
n5:rokUplatneniVysledku
n9:2005
n5:tvurceVysledku
Mašláni, Alan Sember, Viktor
n5:typAkce
n17:WRD
n5:zahajeniAkce
2005-09-05+02:00
s:numberOfPages
4
n20:hasPublisher
Neuveden
n11:isbn
80-214-2931-3