Ändra sökning
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Glow corona discharges and their effect on lightning attachment: Revisited
KTH, Skolan för elektro- och systemteknik (EES), Elektroteknisk teori och konstruktion.ORCID-id: 0000-0002-6375-6142
2012 (Engelska)Ingår i: Lightning Protection (ICLP), 2012 International Conference on, IEEE , 2012, s. 6344402-Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Previous studies in the literature have suggested that glow corona discharges could be potentially used to control the frequency of lightning flashes to grounded objects. Such studies use simplified one-dimensional corona drift models or basic empirical equations derived from high voltage experiments to assess the effect of glow corona on the initiation of both streamers and upward connecting leaders under the influence of a descending lightning leader. In order to revisit the theoretical basis of these studies, a two-dimensional glow corona drift model has been implemented together with a self-consistent upward leader inception and propagation model -SLIM-. A 60 m tall lightning rod is used as a study case. It is found that the shielding effect of the glow corona space charge has been strongly overestimated in the literature. Furthermore, it is shown that streamers under the influence of a descending leader are initiated significantly earlier from the cylindrical body rather than from the corona-emitting area of the rod. Considering the effective shielding potential of glow corona, it is also shown that the presence of glow corona reduces the downward lightning attractiveness of 60 m tall lightning rods by less than 15%. This result shows that the efficiency of lightning rods is not strongly influenced by the generation of glow corona as opposed to the suggestions of previous studies.

Ort, förlag, år, upplaga, sidor
IEEE , 2012. s. 6344402-
Nyckelord [en]
glow corona, lightning attachment, upward leader
Nationell ämneskategori
Annan elektroteknik och elektronik
Forskningsämne
Järnvägsgruppen - Elsystem
Identifikatorer
URN: urn:nbn:se:kth:diva-107188DOI: 10.1109/ICLP.2012.6344402Scopus ID: 2-s2.0-84870701447ISBN: 978-1-4673-1896-9 (tryckt)ISBN: 978-1-4673-1898-3 (tryckt)OAI: oai:DiVA.org:kth-107188DiVA, id: diva2:575175
Konferens
2012 31st International Conference on Lightning Protection, ICLP 2012;Vienna; 2 September 2012 through 7 September 2012
Forskningsfinansiär
StandUp
Anmärkning

QC 20130115

Tillgänglig från: 2012-12-07 Skapad: 2012-12-07 Senast uppdaterad: 2013-09-05Bibliografiskt granskad

Open Access i DiVA

Fulltext saknas i DiVA

Övriga länkar

Förlagets fulltextScopus

Personposter BETA

Becerra Garcia, Marley

Sök vidare i DiVA

Av författaren/redaktören
Becerra Garcia, Marley
Av organisationen
Elektroteknisk teori och konstruktion
Annan elektroteknik och elektronik

Sök vidare utanför DiVA

GoogleGoogle Scholar

doi
isbn
urn-nbn

Altmetricpoäng

doi
isbn
urn-nbn
Totalt: 129 träffar
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf