2010
DOI: 10.1088/0022-3727/43/43/434007
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Radiative emission from air thermal plasmas with vapour of Cu or W

Abstract: Abstract. The paper deals with net emission coefficients of radiation of air thermal plasmas with admixtures of copper and tungsten as a function of the plasma temperature up to 25 000 K and the arc radius (0.01 to 10 cm) at various pressures. The net emission coefficients are calculated for various equilibrium compositions (mole fractions of Cu and W) of the plasma. Calculations take into account continuum and line radiations, special attention has also been taken to the fraction of radiation that is below th… Show more

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Cited by 33 publications
(25 citation statements)
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“…First we calculated the plasma composition of air at 20 kK and 1 bar, according to [16] with species standard thermodynamic functions taken over from [17]. The spectral absorption coefficient was then calculated with the approach given by Aubrecht et al [18] and is shown in Fig. 7.…”
Section: More Realistic Spectrummentioning
confidence: 99%
“…First we calculated the plasma composition of air at 20 kK and 1 bar, according to [16] with species standard thermodynamic functions taken over from [17]. The spectral absorption coefficient was then calculated with the approach given by Aubrecht et al [18] and is shown in Fig. 7.…”
Section: More Realistic Spectrummentioning
confidence: 99%
“…Cressault [107] opublikował ostatnio dane dla mieszanin powietrza z oparami żelaza, miedzi i srebra. Aubrecht [144] podał efektywne współ-czynniki emisji dla plazm termicznych z oparami wolframu i powietrza z oparami miedzi. Na rysunku 13 pokazano efektywne współczynni-ki emisji promieniowania dla mieszanin różnych oparów metalicznych w stosunku 1% mol w plazmie argonowej.…”
Section: Współczynniki Emisji Promieniowaniaunclassified
“…Potwierdzono to zarówno dla oparów czystego metalu, jak i ich mieszaniny z powietrzem. Obliczenia Aubrechta [144] dla mieszanin z powietrzem wskazują, że emisja z oparów miedzi jest silniejsza niż z oparów wolframu w temperaturze powyżej 12 500 K, ale słabsza w niż-szej temperaturze.…”
Section: Współczynniki Emisji Promieniowaniaunclassified
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