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Statements

Subject Item
n2:RIV%2F00216208%3A11320%2F13%3A10191857%21RIV14-GA0-11320___
rdf:type
n9:Vysledek skos:Concept
rdfs:seeAlso
http://dx.doi.org/10.1109/TPS.2012.2226757
dcterms:description
The interaction of plasma particles with dust grains leads to their charging. An equilibrium grain potential depends on a plasma environment, as well as on the grain composition, size, shape, and charging history. We present results of calculations of the equilibrium potential of the grain immersed in the plasma simulating a lunar environment. In calculations, we apply a modified model of the secondary electron emission from dust grains, which takes into account grain sizes, their material, and surface roughness. Since this model describes the increase in the secondary emission yield caused by a finite dimension of the dust grain, the calculations provide a realistic estimation of the dust grain charge in the near-Earth environment. We show that the grain surface potential is a descending function of the grain size and this effect can even lead to opposite polarities of small and large grains. The interaction of plasma particles with dust grains leads to their charging. An equilibrium grain potential depends on a plasma environment, as well as on the grain composition, size, shape, and charging history. We present results of calculations of the equilibrium potential of the grain immersed in the plasma simulating a lunar environment. In calculations, we apply a modified model of the secondary electron emission from dust grains, which takes into account grain sizes, their material, and surface roughness. Since this model describes the increase in the secondary emission yield caused by a finite dimension of the dust grain, the calculations provide a realistic estimation of the dust grain charge in the near-Earth environment. We show that the grain surface potential is a descending function of the grain size and this effect can even lead to opposite polarities of small and large grains.
dcterms:title
Numerical Calculation of an Equilibrium Dust Grain Potential in Lunar Environment Numerical Calculation of an Equilibrium Dust Grain Potential in Lunar Environment
skos:prefLabel
Numerical Calculation of an Equilibrium Dust Grain Potential in Lunar Environment Numerical Calculation of an Equilibrium Dust Grain Potential in Lunar Environment
skos:notation
RIV/00216208:11320/13:10191857!RIV14-GA0-11320___
n9:predkladatel
n10:orjk%3A11320
n3:aktivita
n6:Z n6:I n6:S n6:P
n3:aktivity
I, P(GA202/08/0063), P(GAP209/11/1412), S, Z(MSM0021620860)
n3:cisloPeriodika
4
n3:dodaniDat
n12:2014
n3:domaciTvurceVysledku
n8:9622683 n8:1973282 n8:1504126 n8:5876265 n8:3875563
n3:druhVysledku
n15:J
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n5:predkladatel
n3:idSjednocenehoVysledku
92529
n3:idVysledku
RIV/00216208:11320/13:10191857
n3:jazykVysledku
n17:eng
n3:klicovaSlova
lunar charging; interplanetary dust; Dust charging
n3:klicoveSlovo
n16:lunar%20charging n16:interplanetary%20dust n16:Dust%20charging
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[2C258DE7EE6D]
n3:nazevZdroje
IEEE Transactions on Plasma Science
n3:obor
n22:BL
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:projekt
n14:GA202%2F08%2F0063 n14:GAP209%2F11%2F1412
n3:rokUplatneniVysledku
n12:2013
n3:svazekPeriodika
41
n3:tvurceVysledku
Šafránková, Jana Vaverka, Jakub Richterová, Ivana Pavlů, Jiří Němeček, Zdeněk
n3:wos
000317922000003
n3:zamer
n7:MSM0021620860
s:issn
0093-3813
s:numberOfPages
5
n19:doi
10.1109/TPS.2012.2226757
n21:organizacniJednotka
11320