Absorption of Photo‐Ionizing Radiation of Corona Discharges in Air

descriptionPublicationkeyboard_double_arrow_right Article 03 Sep 2008 English Publisher:WileyJournal:Plasma Processes and Polymers, volume 5, pages 672-680 (issn: 1612-8850, eissn: 1612-8869,

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Authors: Märt Aints; Ants Haljaste; Toomas Plank; Leho Roots;

doi: 10.1002/ppap.200800031

Absorption of Photo‐Ionizing Radiation of Corona Discharges in Air

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Abstract

AbstractThe absorption characteristics of photo‐ionizing VUV radiation emitted by corona discharges in the pressure range from 20 to 750 Torr in dry and humid air were measured. The experimental results are compared with data and approximation formulae obtained by others. For a wide region of pressure and absorption path length, the formula proposed by Zheleznyak et al. (Teplofiz. Vysokih Temp. 1982, 20, 423) seems to be the most reliable for approximation of our results for dry air. We propose a modification of that formula for humid air. The obtained results are suitable for modelling of discharge development in ambient air.magnified image

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