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Lightning return st...
Lightning return stroke model with height-variable discharge time constant
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- Thottappillil, Rajeev, 1958- (författare)
- University of Florida, Gainesville, USA
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- Uman, Martin A. (författare)
- University of Florida, Gainesville, USA
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(creator_code:org_t)
- 1994
- 1994
- Engelska.
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Ingår i: Journal of Geophysical Research - Atmospheres. - 2169-897X .- 2169-8996. ; 99:D11, s. 22773-22780
- Relaterad länk:
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https://agupubs.onli...
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visa fler...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A new lightning return stroke model is proposed in which the lightning channel, previously charged by the leader, is exponentially discharged with the discharge time constant being a general function of height. The new model is both more general and more physically reasonable than the Diendorfer-Uman model (Diendorfer and Uman, 1990) and its modification by Thottappillil et al. (1991). In the new model a single height-variable discharge time constant is used instead of the two height-invariant discharge time constants used for natural lightning in the Diendorfer-Uman model. As an illustration of the use of the new model, the measured electric fields for three triggered lightning return strokes about 5-km distant are compared with the fields calculated from the model, using simultaneously measured channel base current and return stroke speed as inputs to the model.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- Lightning
- Electromagnetic Compatibility
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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