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On the Simulation of the Interception of Lightning Dart Leaders
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0002-6375-6142
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0002-1607-2493
2015 (English)In: Lightning Protection (XIII SIPDA), 2015 International Symposium on, IEEE conference proceedings, 2015, 288-292 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents the numerical evaluation of the propagation of positive upward connecting leaders under the influence of lightning dart leaders. The simulation is performed with the self-consistent leader inception and propagation model - SLIM-. An analytical expression is derived for calculating the charge per unit length required to thermalize a new upward leader segment. The simulation is validated with two dart leader attachment events in a lightning triggering experiment reported in the literature. Good agreement between the estimations and the measurements of dart leader interception in length, duration and velocity of upward leader propagation has been found. Further analysis is carried out on dart lightning leader interception.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2015. 288-292 p.
Keyword [en]
dart leader, upward connecting leader, rocket triggered lightning
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electrical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-178002ISI: 000382966700051Scopus ID: 2-s2.0-84962292059ISBN: 978-1-4799-8753-5 (print)OAI: oai:DiVA.org:kth-178002DiVA: diva2:875663
Conference
2015 International Symposium on Lightning Protection (XIII SIPDA), Balneário Camboriú, Brazil, 28th Sept. – 2nd Oct. 2015
Note

QC 20160216

Available from: 2015-12-01 Created: 2015-12-01 Last updated: 2016-12-01Bibliographically approved

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Becerra, MarleyThottappillil, Rajeev

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