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Description
  • Metodami optické emisní spektroskopie určujeme teploty ve volném proudu plazmatu, který expanduje do nízkotlaké komory, ve které udržujeme konstantní tlak 10 kPa. Z měření lze odvodit excitační, ionizační, rotační a vibrační teplotu v různých místech plazmatu. V expanzní části proudu se teploty navzájem liší, naopak v oblasti rázové vlny jsou teploty téměř identické. (cs)
  • Optical emission spectroscopy is used to determine the temperature in a plasma jet expanding from the H2O-Ar dc arc torch into a chamber maintained at a pressure of 10 kPa. The excitation and rotational temperatures are derived from relative intensities of argon atomic and ionic lines, and from the UV OH band at 306.357 nm, respectively. The ionization temperature is obtained from the intensity ratio of argon ionic and atomic lines, using electron number density calculated from the Stark broadening of hydrogen H line. The structure of the plasma jet is characterized by isocontours of electron number density and intensity of atomic and ionic lines. In the expansion region, the ionic excitation temperature is found close to the ionization temperature and much higher than the excitation temperature of argon atoms, which is close to the rotational temperature of OH radical. In the normal shock region, all the measured temperatures tend to be equal.
  • Optical emission spectroscopy is used to determine the temperature in a plasma jet expanding from the H2O-Ar dc arc torch into a chamber maintained at a pressure of 10 kPa. The excitation and rotational temperatures are derived from relative intensities of argon atomic and ionic lines, and from the UV OH band at 306.357 nm, respectively. The ionization temperature is obtained from the intensity ratio of argon ionic and atomic lines, using electron number density calculated from the Stark broadening of hydrogen H line. The structure of the plasma jet is characterized by isocontours of electron number density and intensity of atomic and ionic lines. In the expansion region, the ionic excitation temperature is found close to the ionization temperature and much higher than the excitation temperature of argon atoms, which is close to the rotational temperature of OH radical. In the normal shock region, all the measured temperatures tend to be equal. (en)
Title
  • Measurement of excitation and ionization temperatures in an expanding H2O-Ar DC arcjet
  • Měření excitačních a ionizačních teplot v expandujícím proudu H2O-Ar plazmatu (cs)
  • Measurement of excitation and ionization temperatures in an expanding H2O-Ar DC arcjet (en)
skos:prefLabel
  • Measurement of excitation and ionization temperatures in an expanding H2O-Ar DC arcjet
  • Měření excitačních a ionizačních teplot v expandujícím proudu H2O-Ar plazmatu (cs)
  • Measurement of excitation and ionization temperatures in an expanding H2O-Ar DC arcjet (en)
skos:notation
  • RIV/61389021:_____/07:00087212!RIV08-AV0-61389021
http://linked.open.../vavai/riv/strany
  • 1823;1826
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA202/05/0669), Z(AV0Z20430508)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 432471
http://linked.open...ai/riv/idVysledku
  • RIV/61389021:_____/07:00087212
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • optical emission spectroscopy; temperature; plasma jet (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [C48CEC51FB7F]
http://linked.open...v/mistoKonaniAkce
  • Praha
http://linked.open...i/riv/mistoVydani
  • Prague
http://linked.open...i/riv/nazevZdroje
  • XXVIII International Conference on Phenomena in Ionized gases. Proceedings
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Mašláni, Alan
  • Sember, Viktor
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Ústav fyziky plazmatu AV ČR
https://schema.org/isbn
  • 978-80-87026-01-4
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