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Sökning: WFRF:(He Junjia) > (2021) > Elongation and bran...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00002984naa a2200361 4500
001oai:DiVA.org:kth-292166
003SwePub
008210326s2021 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-2921662 URI
024a https://doi.org/10.1038/s41598-021-83816-72 DOI
040 a (SwePub)kth
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Zhao, Xiangenu Huazhong Univ Sci & Technol, State Key Lab Adv Electromagnet Engn & Technol, Wuhan, Peoples R China.4 aut
2451 0a Elongation and branching of stem channels produced by positive streamers in long air gaps
264 c 2021-02-18
264 1b Springer Nature,c 2021
338 a print2 rdacarrier
500 a QC 20210326
520 a The elongation and branching of long positive spark discharges in the laboratory and in lightning have been attributed to the formation of thermalized channels inside a diffuse, glow-like streamer section at the leader head. It is experimentally shown here that the structured morphology of streamers produce low-density stem channels that elongate and branch well before a new leader channel section is formed. These non-thermalized stems are also shown to develop ahead of a developing leader channel. These findings are based on high-speed photography and Schlieren imaging used to visualize both the morphology of streamer filaments and stem channels. Numerical analysis is also performed to estimate the axial temperature and density of the stem channels. A stem-driven mechanism for the propagation and branching of positive long air gap discharges is proposed and discussed based on the presence of not-yet thermalized, low density channels formed by streamer ensembles at the leader head.
650 7a NATURVETENSKAPx Geovetenskap och miljövetenskapx Meteorologi och atmosfärforskning0 (SwePub)105082 hsv//swe
650 7a NATURAL SCIENCESx Earth and Related Environmental Sciencesx Meteorology and Atmospheric Sciences0 (SwePub)105082 hsv//eng
700a Becerra Garcia, Marley,d 1979-u KTH,Elektroteknisk teori och konstruktion4 aut0 (Swepub:kth)u1889hfb
700a Yang, Yongchaou Huazhong Univ Sci & Technol, State Key Lab Adv Electromagnet Engn & Technol, Wuhan, Peoples R China.4 aut
700a He, Junjiau Huazhong Univ Sci & Technol, State Key Lab Adv Electromagnet Engn & Technol, Wuhan, Peoples R China.4 aut
710a Huazhong Univ Sci & Technol, State Key Lab Adv Electromagnet Engn & Technol, Wuhan, Peoples R China.b Elektroteknisk teori och konstruktion4 org
773t Scientific Reportsd : Springer Natureg 11:1q 11:1x 2045-2322
856u https://doi.org/10.1038/s41598-021-83816-7y Fulltext
856u https://www.nature.com/articles/s41598-021-83816-7.pdf
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-292166
8564 8u https://doi.org/10.1038/s41598-021-83816-7

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