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Statements

Subject Item
n2:RIV%2F67985858%3A_____%2F10%3A00346366%21RIV11-AV0-67985858
rdf:type
skos:Concept n11:Vysledek
dcterms:description
This study presents a computational fluid dynamics modeling approach to investigate the nucleation in the watersulfuric acid system in a flow tube. On the basis of an existing experimental setup we first establish the effect of convection on the flow profile. We describe the nucleation zone in detail and determine how flow rate and relative humidity affect its characteristics. Experimental nucleation rates are compared to rates gained from classical binary and kinetic nucleation theory as well as cluster activation theory. For low RH values, kinetic theory yields the best agreement with experimental results while binary nucleation best reproduces the experimental nucleation behavior at 50% relative humidity. Particle growth is modeled for an example case at 50% relative humidity. The final simulated diameter is very close to the experimental result. This study presents a computational fluid dynamics modeling approach to investigate the nucleation in the watersulfuric acid system in a flow tube. On the basis of an existing experimental setup we first establish the effect of convection on the flow profile. We describe the nucleation zone in detail and determine how flow rate and relative humidity affect its characteristics. Experimental nucleation rates are compared to rates gained from classical binary and kinetic nucleation theory as well as cluster activation theory. For low RH values, kinetic theory yields the best agreement with experimental results while binary nucleation best reproduces the experimental nucleation behavior at 50% relative humidity. Particle growth is modeled for an example case at 50% relative humidity. The final simulated diameter is very close to the experimental result.
dcterms:title
A Computational Fluid Dynamics Approach to Nucleation in the WaterSulfuric Acid System A Computational Fluid Dynamics Approach to Nucleation in the WaterSulfuric Acid System
skos:prefLabel
A Computational Fluid Dynamics Approach to Nucleation in the WaterSulfuric Acid System A Computational Fluid Dynamics Approach to Nucleation in the WaterSulfuric Acid System
skos:notation
RIV/67985858:_____/10:00346366!RIV11-AV0-67985858
n3:aktivita
n13:Z
n3:aktivity
Z(AV0Z40720504)
n3:cisloPeriodika
31
n3:dodaniDat
n5:2011
n3:domaciTvurceVysledku
n6:3883922
n3:druhVysledku
n14:J
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n7:predkladatel
n3:idSjednocenehoVysledku
244554
n3:idVysledku
RIV/67985858:_____/10:00346366
n3:jazykVysledku
n17:eng
n3:klicovaSlova
fluid dynamics modeling; kinetic nucleation theory; relative humidity
n3:klicoveSlovo
n10:fluid%20dynamics%20modeling n10:kinetic%20nucleation%20theory n10:relative%20humidity
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[F5CF57C49944]
n3:nazevZdroje
Journal of Physical Chemistry A
n3:obor
n16:CF
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
7
n3:rokUplatneniVysledku
n5:2010
n3:svazekPeriodika
114
n3:tvurceVysledku
Brus, David Lihavainen, H. Herrmann, E. Hyvärinen, A.-P. Stratmann, F. Kulmala, M. Wilck, M.
n3:wos
000280523500002
n3:zamer
n15:AV0Z40720504
s:issn
1089-5639
s:numberOfPages
10