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Statements

Subject Item
n2:RIV%2F61388998%3A_____%2F09%3A00341207%21RIV10-AV0-61388998
rdf:type
n6:Vysledek skos:Concept
dcterms:description
The impact of the street configurations on pollutants dispersion from vehicles exhausts within urban canyons was numerically investigated using a computational fluid dynamics (CFD) model. Three-dimensional flow and dispersion of gaseous pollutants were modeled using standard k-epsilon turbulence model, which was numerically solved based on Reynolds-averaged Navier-- Stokes equations by the commercial CFD code FLUENT. The concentration fields in the urban canyons were examined in three cases of street configurations: (1) a regular-shaped intersection, (2) a T-shaped intersection and (3) a Skew-shaped crossing intersection. Vehicle emissions were simulated as double line sources along the street. The numerical model was validated against wind tunnel results in order to optimize the turbulence model. Numerical predictions agreed reasonably well with wind tunnel results. The impact of the street configurations on pollutants dispersion from vehicles exhausts within urban canyons was numerically investigated using a computational fluid dynamics (CFD) model. Three-dimensional flow and dispersion of gaseous pollutants were modeled using standard k-epsilon turbulence model, which was numerically solved based on Reynolds-averaged Navier-- Stokes equations by the commercial CFD code FLUENT. The concentration fields in the urban canyons were examined in three cases of street configurations: (1) a regular-shaped intersection, (2) a T-shaped intersection and (3) a Skew-shaped crossing intersection. Vehicle emissions were simulated as double line sources along the street. The numerical model was validated against wind tunnel results in order to optimize the turbulence model. Numerical predictions agreed reasonably well with wind tunnel results.
dcterms:title
Numerical simulation on pollutant dispersion from vehicle exhaust in street configurations Numerical simulation on pollutant dispersion from vehicle exhaust in street configurations
skos:prefLabel
Numerical simulation on pollutant dispersion from vehicle exhaust in street configurations Numerical simulation on pollutant dispersion from vehicle exhaust in street configurations
skos:notation
RIV/61388998:_____/09:00341207!RIV10-AV0-61388998
n4:aktivita
n15:Z
n4:aktivity
Z(AV0Z20760514)
n4:cisloPeriodika
1-4
n4:dodaniDat
n13:2010
n4:domaciTvurceVysledku
n12:5538408 n12:4644972
n4:druhVysledku
n9:J
n4:duvernostUdaju
n11:S
n4:entitaPredkladatele
n16:predkladatel
n4:idSjednocenehoVysledku
330263
n4:idVysledku
RIV/61388998:_____/09:00341207
n4:jazykVysledku
n17:eng
n4:klicovaSlova
atmospheric turbulent; CFD model; pollutant dispersion
n4:klicoveSlovo
n5:atmospheric%20turbulent n5:CFD%20model n5:pollutant%20dispersion
n4:kodStatuVydavatele
NL - Nizozemsko
n4:kontrolniKodProRIV
[6A9278CC03D4]
n4:nazevZdroje
Environmental monitoring and assessment
n4:obor
n14:DG
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
3
n4:rokUplatneniVysledku
n13:2009
n4:svazekPeriodika
156
n4:tvurceVysledku
Yassin, Mohamed F. Jaňour, Zbyněk Kellnerová, Radka
n4:wos
000268776400020
n4:zamer
n10:AV0Z20760514
s:issn
0167-6369
s:numberOfPages
17