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Statements

Subject Item
n2:RIV%2F67985858%3A_____%2F13%3A00394769%21RIV14-AV0-67985858
rdf:type
skos:Concept n8:Vysledek
rdfs:seeAlso
http://proceedings.aip.org/resource/2/apcpcs/1527/1?isAuthorized=no
dcterms:description
The aim of this work is to show how the complexity of the modeling of the transport processes affects the results of the nucleation experiments in the Laminar Flow Diffusion Chamber (LFDC). For this purpose, data measured by Hyvärinen et al. [1] were recalculated using models at different levels of complexity. We focused on the influence of hydrodynamics (Navier-Stokes equations or parabolic profile assumption) and coupled terms (Dufour effect and thermodiffusion) on the results. We found that the choice of hydrodynamic model affects both the position of nucleation maxima in the LFDC and the maximum of the nucleation rate. On the other hand, the presence of coupled terms in the model significantly affects only the peak value of the nucleation rate. In order to compare the results obtained by different models, we present a method quantifying relative uncertainty in the determination of the nucleation rate. The prediction of each model was compared to the full model with the Navier-Stokes equations and both coupled terms. The comparison shows that an inappropriate choice of model could lead to serious deviations that may reach several hundred percent in a given case. The aim of this work is to show how the complexity of the modeling of the transport processes affects the results of the nucleation experiments in the Laminar Flow Diffusion Chamber (LFDC). For this purpose, data measured by Hyvärinen et al. [1] were recalculated using models at different levels of complexity. We focused on the influence of hydrodynamics (Navier-Stokes equations or parabolic profile assumption) and coupled terms (Dufour effect and thermodiffusion) on the results. We found that the choice of hydrodynamic model affects both the position of nucleation maxima in the LFDC and the maximum of the nucleation rate. On the other hand, the presence of coupled terms in the model significantly affects only the peak value of the nucleation rate. In order to compare the results obtained by different models, we present a method quantifying relative uncertainty in the determination of the nucleation rate. The prediction of each model was compared to the full model with the Navier-Stokes equations and both coupled terms. The comparison shows that an inappropriate choice of model could lead to serious deviations that may reach several hundred percent in a given case.
dcterms:title
Comparison of the Transport Models of a Laminar Flow Diffusion Chamber Comparison of the Transport Models of a Laminar Flow Diffusion Chamber
skos:prefLabel
Comparison of the Transport Models of a Laminar Flow Diffusion Chamber Comparison of the Transport Models of a Laminar Flow Diffusion Chamber
skos:notation
RIV/67985858:_____/13:00394769!RIV14-AV0-67985858
n8:predkladatel
n9:ico%3A67985858
n3:aktivita
n4:P n4:I
n3:aktivity
I, P(IAA200760905)
n3:dodaniDat
n7:2014
n3:domaciTvurceVysledku
n18:3445879 n18:1927272 n18:8479461
n3:druhVysledku
n21:D
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
66352
n3:idVysledku
RIV/67985858:_____/13:00394769
n3:jazykVysledku
n19:eng
n3:klicovaSlova
nucleation; mathematical modeling; LFDC
n3:klicoveSlovo
n5:LFDC n5:mathematical%20modeling n5:nucleation
n3:kontrolniKodProRIV
[C7F3C652B0A7]
n3:mistoKonaniAkce
Fort Collins, Colorado
n3:mistoVydani
Melville, New York
n3:nazevZdroje
AIP Conference Proceedings, Volume 1527
n3:obor
n14:BJ
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n10:IAA200760905
n3:rokUplatneniVysledku
n7:2013
n3:tvurceVysledku
Havlica, Jaromír Trávníčková, Tereza Ždímal, Vladimír
n3:typAkce
n23:WRD
n3:wos
000319766400018
n3:zahajeniAkce
2013-06-23+02:00
s:issn
0094-243X
s:numberOfPages
4
n16:doi
10.1063/1.4803208
n22:hasPublisher
AIP Publishing
n11:isbn
978-0-7354-1152-4