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  • 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
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  • P(GD203/03/H140)
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  • 545223
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  • RIV/61389021:_____/05:00022197
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  • thermal plasma Jet; optical emission spectroscopy; OH radical (en)
http://linked.open.../riv/klicoveSlovo
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
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http://linked.open...vavai/riv/projekt
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http://linked.open...iv/tvurceVysledku
  • Mašláni, Alan
  • Sember, Viktor
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • Neuveden
https://schema.org/isbn
  • 80-214-2931-3
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