Detail publikačního výsledku

Aproximate Description of Radiation Transfer in Electric Arc Plasma

BOGATYREVA, N.; BARTLOVÁ, M.; AUBRECHT, V.

Originální název

Aproximate Description of Radiation Transfer in Electric Arc Plasma

Anglický název

Aproximate Description of Radiation Transfer in Electric Arc Plasma

Druh

Stať ve sborníku v databázi WoS či Scopus

Originální abstrakt

The paper deals with approximate description of radiation transfer in electric arc plasma. The first order of the method of spherical harmonics (P1-approximation) has been used as the way to solve the equation of radiation transfer. Calculation has been performed for air plasma at the atmospheric pressure, and for various plasma radii . Isothermal plasma in temperature range (1000, 30000) K, and plasma with given temperature profile have been considered. To simplify the calculation, the complicated frequency dependence of absorption coefficients has been handled by means of various averaging methods. Planck and Rosseland mean values have been determined for different splitting of the frequency interval. Calculated radiation characteristics (radiation flux, divergence of radiation flux) have been compared with results obtained by the method of partial characteristics and the method of net emission coefficient.

Anglický abstrakt

The paper deals with approximate description of radiation transfer in electric arc plasma. The first order of the method of spherical harmonics (P1-approximation) has been used as the way to solve the equation of radiation transfer. Calculation has been performed for air plasma at the atmospheric pressure, and for various plasma radii . Isothermal plasma in temperature range (1000, 30000) K, and plasma with given temperature profile have been considered. To simplify the calculation, the complicated frequency dependence of absorption coefficients has been handled by means of various averaging methods. Planck and Rosseland mean values have been determined for different splitting of the frequency interval. Calculated radiation characteristics (radiation flux, divergence of radiation flux) have been compared with results obtained by the method of partial characteristics and the method of net emission coefficient.

Klíčová slova

electric arc plasma, radiation transfer, P1-approximation

Klíčová slova v angličtině

electric arc plasma, radiation transfer, P1-approximation

Autoři

BOGATYREVA, N.; BARTLOVÁ, M.; AUBRECHT, V.

Rok RIV

2012

Vydáno

05.09.2011

Nakladatel

UVEE FEKT VUT v Brně, OEZ Letohrad

Místo

Brno - Letohrad

ISBN

978-80-214-4293-1

Kniha

Proceedings of XIXth Symposium on Physics of Switching Arc, Invited and Contributed Papers

Strany od

117

Strany do

120

Strany počet

4

BibTex

@inproceedings{BUT73817,
  author="Naděžda {Bogatyreva} and Milada {Bartlová} and Vladimír {Aubrecht}",
  title="Aproximate Description of Radiation Transfer in Electric Arc Plasma",
  booktitle="Proceedings of XIXth Symposium on Physics of Switching Arc, Invited and Contributed Papers",
  year="2011",
  pages="117--120",
  publisher="UVEE FEKT VUT v Brně, OEZ Letohrad",
  address="Brno - Letohrad",
  isbn="978-80-214-4293-1"
}