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On the accuracy of several approximate theories used in quantifying the propagation effects on lightning generated electromagnetic fields
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
2008 (English)In: IEEE Transactions on Antennas and Propagation, ISSN 0018-926X, E-ISSN 1558-2221, Vol. 56, no 7, 1960-1967 p.Article in journal (Refereed) Published
Abstract [en]

The effect of finitely conducting ground on the signature of lightning generated vertical electric fields at ground level was evaluated by numerical solution of Sommerfeld's integrals. Results are presented for distances between 10 m to 1 km from the lightning channel and for ground conductivities in the range of 0.01 and 0.001 S/m. The results obtained from the exact theory are compared with the predictions of several approximate theories available in the literature. Based on that comparison the limits of validity of these approximate theories are obtained.

Place, publisher, year, edition, pages
2008. Vol. 56, no 7, 1960-1967 p.
Keyword [en]
lightning, propagation effects, return strokes
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-109966DOI: 10.1109/TAP.2008.924680ISI: 000257794800015OAI: oai:DiVA.org:uu-109966DiVA: diva2:274904
Available from: 2009-11-02 Created: 2009-11-02 Last updated: 2016-04-12Bibliographically approved

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Cooray, Vernon

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