About: Comparison of the Transport Models of a Laminar Flow Diffusion Chamber

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://proceedings.aip.org/resource/2/apcpcs/1527/1?isAuthorized=no
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. (en)
Title	Comparison of the Transport Models of a Laminar Flow Diffusion Chamber Comparison of the Transport Models of a Laminar Flow Diffusion Chamber (en)
skos:prefLabel	Comparison of the Transport Models of a Laminar Flow Diffusion Chamber Comparison of the Transport Models of a Laminar Flow Diffusion Chamber (en)
skos:notation	RIV/67985858:_____/13:00394769!RIV14-AV0-67985858
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(IAA200760905)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Trávníčková, Tereza Ždímal, Vladimír Havlica, Jaromír
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav chemických procesů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	66352
http://linked.open...ai/riv/idVysledku	RIV/67985858:_____/13:00394769
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	nucleation; mathematical modeling; LFDC (en)
http://linked.open.../riv/klicoveSlovo	nucleation LFDC mathematical modeling
http://linked.open...ontrolniKodProRIV	[C7F3C652B0A7]
http://linked.open...v/mistoKonaniAkce	Fort Collins, Colorado
http://linked.open...i/riv/mistoVydani	Melville, New York
http://linked.open...i/riv/nazevZdroje	AIP Conference Proceedings, Volume 1527
http://linked.open...in/vavai/riv/obor	BJ
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Thermophysical properties of water in unexplored, technologically significant regions
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Ždímal, Vladimír Havlica, Jaromír Trávníčková, Tereza
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000319766400018
http://linked.open.../riv/zahajeniAkce	2013-06-23 (xsd:date)
issn	0094-243X
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1063/1.4803208
http://purl.org/ne...btex#hasPublisher	AIP Publishing
https://schema.org/isbn	978-0-7354-1152-4

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