Calculation of gas heating in direct current argon glow discharges

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  • Annemie Bogaerts
    Department of Chemistry, University of Antwerp, Universiteitsplein 1, B-2610 Wilrijk-Antwerp, Belgium
  • Renaat Gijbels
    Department of Chemistry, University of Antwerp, Universiteitsplein 1, B-2610 Wilrijk-Antwerp, Belgium
  • Vladimir V. Serikov
    Simulation Group, Production Engineering Center, Nippon Sheet Glass Company Ltd., Anesaki-kaigan 6, Ichihara-city, Chiba, 299-0107 Japan

書誌事項

公開日
2000-06-15
DOI
  • 10.1063/1.373545
公開者
AIP Publishing

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説明

<jats:p>A model is developed for self-consistently calculating the gas temperature in a direct current argon glow discharge, used for analytical spectroscopy. The power input into the argon gas due to elastic (i.e., kinetic energy transfer) collisions of Ar+ ions, and fast Ar atoms, sputtered Cu atoms and electrons with the argon gas atoms is calculated with Monte Carlo models. This power input is used in a heat transfer model to calculate the gas temperature. The amount of power input, the contributions of the various input sources, and the resulting gas temperature are calculated for a wide range of voltages, pressures, and currents, typically applied in analytical spectroscopy. It is found that the temperature can increase significantly at high voltages, pressures, and currents (up to a factor of 3 compared to absolute room temperature).</jats:p>

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