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Statements

Subject Item
n2:RIV%2F00216224%3A14310%2F12%3A00060581%21RIV13-MSM-14310___
rdf:type
skos:Concept n9:Vysledek
rdfs:seeAlso
http://iopscience.iop.org/0963-0252/21/5/052001/
dcterms:description
In this work, we have carried out a parametric study on the interaction of two streamers in air using 2D numerical simulations based on an accurate numerical method which ensures a time-space error control of the solution. This study is a first step towards a quantitative analysis of streamer merging in real 3D conditions. We have shown that for a initial separation between streamers that is smaller or comparable to the longest characteristic absorption length of photoionization (0.1408 cm at the ground pressure), streamers will start to merge, i.e., the distance between their trajectories starts to decrease despite their electrostatic repulsion, at the moment when the ratio D/d of the streamer characteristic width D and the streamer mutual distance d attains a value of about 0.35 for positive streamers, and 0.4 for negative ones. These ratios are independent of the applied field, the initial seed configuration, and pressure. In this work, we have carried out a parametric study on the interaction of two streamers in air using 2D numerical simulations based on an accurate numerical method which ensures a time-space error control of the solution. This study is a first step towards a quantitative analysis of streamer merging in real 3D conditions. We have shown that for a initial separation between streamers that is smaller or comparable to the longest characteristic absorption length of photoionization (0.1408 cm at the ground pressure), streamers will start to merge, i.e., the distance between their trajectories starts to decrease despite their electrostatic repulsion, at the moment when the ratio D/d of the streamer characteristic width D and the streamer mutual distance d attains a value of about 0.35 for positive streamers, and 0.4 for negative ones. These ratios are independent of the applied field, the initial seed configuration, and pressure.
dcterms:title
Derivation of a merging condition for two interacting streamers in air Derivation of a merging condition for two interacting streamers in air
skos:prefLabel
Derivation of a merging condition for two interacting streamers in air Derivation of a merging condition for two interacting streamers in air
skos:notation
RIV/00216224:14310/12:00060581!RIV13-MSM-14310___
n9:predkladatel
n10:orjk%3A14310
n3:aktivita
n21:P
n3:aktivity
P(ED2.1.00/03.0086)
n3:cisloPeriodika
5
n3:dodaniDat
n12:2013
n3:domaciTvurceVysledku
n20:4402073
n3:druhVysledku
n16:J
n3:duvernostUdaju
n4:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
130184
n3:idVysledku
RIV/00216224:14310/12:00060581
n3:jazykVysledku
n17:eng
n3:klicovaSlova
streamer discharge; plasma simulation; multi scale method
n3:klicoveSlovo
n6:plasma%20simulation n6:multi%20scale%20method n6:streamer%20discharge
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[9BB99678B85D]
n3:nazevZdroje
PLASMA SOURCES SCIENCE & TECHNOLOGY
n3:obor
n8:BL
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
4
n3:projekt
n15:ED2.1.00%2F03.0086
n3:rokUplatneniVysledku
n12:2012
n3:svazekPeriodika
21
n3:tvurceVysledku
Bonaventura, Zdeněk Bourdon, Anne Duarte, Max Massot, Marc
n3:wos
000309590200001
s:issn
0963-0252
s:numberOfPages
5
n11:doi
10.1088/0963-0252/21/5/052001
n18:organizacniJednotka
14310