Corona current concept in lightning return-stroke models of engineering type

• Autorzy: Masłowski G.
• Języki publikacji: EN

Abstrakty

EN

A role of radial corona current in a lightning discharge is discussed in the paper. It is shown that the corona current concept previously introduced by Cooray for lightning return stroke models of distributed-current-source (DCS) type, and later, by Maslowski and Rakov for lumped-current-source (LCS) type models enables to show duality between these two types of models. Further, it is demonstrated that the corona current is useful during consideration of dynamics of the lightning-channel corona sheath. As an example of application of presented approach a relaxation model of charge motion in the corona sheath is analysed together with plots which show the rate of expansion and shrinkage of the lightning corona sheath on both microsecond and millisecond time scales.

Słowa kluczowe

EN

lightning; corona sheath; return stroke model; continuity equation

PL

wyładowanie piorunowe; wyładowanie koronowe; równanie ciągłości

• Wydawca: Polish Academy of Sciences, Committee on Electrical Engineering
• Czasopismo: Archives of Electrical Engineering
• Rocznik: 2010
• Tom: Vol. 59, nr 3-4
• Strony: 177--188
• Opis fizyczny: Bibliogr. 34 poz., rys., tab.

Twórcy

autor

Masłowski G.

• Department of Electrical and Computer Engineering, Rzeszów University of Technology,

Bibliografia

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