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Wire-cylinder corona discharge with the wire at positive potential studies of iron oxides

Raju, Govinda GR and Murthy, Guru GR (1979) Wire-cylinder corona discharge with the wire at positive potential studies of iron oxides. In: International Journal of Electronics, 46 (5). pp. 497-506.

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A wire-cylinder corona discharge was studied in nitrogen and dry air in crossed electric and magnetic fields for values of magnetic field ranging from 0 to 3000 G with the wire at positive potential. In the absence of a magnetic field pre-onset streamers and pulses were observed in nitrogen. In both nitrogen and dry air breakdown streamers were observed just before spark breakdown of the gap. Furthermore, experiments in dry air at atmospheric pressure in an electric field indicate regular pre-onset streamers appearing at time intervals of 19.5 µs. The appearance of regular pre-onset streamers suggests that it is not possible for negative ions to form a sheath close to the anode as postulated by Hermstein (1960) for the formation of steady or glow corona in a point-plane gap.

Item Type: Journal Article
Publication: International Journal of Electronics
Publisher: Taylor and Francis Group
Additional Information: Copyright of this article belongs to Taylor and Francis Group.
Department/Centre: Division of Electrical Sciences > High Voltage Engineering (merged with EE)
Date Deposited: 23 Dec 2010 05:09
Last Modified: 23 Dec 2010 05:09
URI: http://eprints.iisc.ac.in/id/eprint/33764

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