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Similarity between ...
Similarity between the Initial Breakdown Pulses of Negative Ground Flash and Narrow Bipolar Pulses
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- Ahmad, Mohd Riduan (författare)
- Uppsala universitet,Elektricitetslära
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- Mohd Esa, Mona Riza (författare)
- Uppsala universitet,Elektricitetslära
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- Cooray, Vernon (författare)
- Uppsala universitet,Elektricitetslära
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(creator_code:org_t)
- IEEE conference proceedings, 2014
- 2014
- Engelska.
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Ingår i: 2014 INTERNATIONAL CONFERENCE ON LIGHTNING PROTECTION (ICLP). - : IEEE conference proceedings. - 9781479935444 ; , s. 810-813
- Relaterad länk:
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https://urn.kb.se/re...
Abstract
Ämnesord
Stäng
- In this paper, temporal characteristics of several initial electric field pulses of preliminary breakdown process (PBP) from very close negative cloud-to-ground (CG) flashes are compared to close narrow bipolar pulses (NBPs) to observe any similarity that may exists. Interestingly, we found that the initial PBP pulses are similar to close NBP with zero crossing time less than 5 mu s, do not preceded by any slow field change and followed by pronounce static component. As NBPs are believed to be a result of relativistic runaway electron avalanches discharge, this finding is an indication that the initial electric field pulses of PBP are perhaps the result of the same discharge mechanism.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Meteorologi och atmosfärforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Meteorology and Atmospheric Sciences (hsv//eng)
Nyckelord
- Narrow bipolar pulse; Preliminary breakdown pulse; Relativistic runaway electron avalanches.
- Teknisk fysik med inriktning mot atmosfäriska urladdningar
- Engineering Science with specialization in Atmospheric Discharges
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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