About: Numerical simulation on pollutant dispersion from vehicle exhaust in street configurations

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
Title	Numerical simulation on pollutant dispersion from vehicle exhaust in street configurations Numerical simulation on pollutant dispersion from vehicle exhaust in street configurations (en)
skos:prefLabel	Numerical simulation on pollutant dispersion from vehicle exhaust in street configurations Numerical simulation on pollutant dispersion from vehicle exhaust in street configurations (en)
skos:notation	RIV/61388998:_____/09:00341207!RIV10-AV0-61388998
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z20760514)
http://linked.open...iv/cisloPeriodika	1-4
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Kellnerová, Radka Jaňour, Zbyněk
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav termomechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	330263
http://linked.open...ai/riv/idVysledku	RIV/61388998:_____/09:00341207
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	atmospheric turbulent; CFD model; pollutant dispersion (en)
http://linked.open.../riv/klicoveSlovo	atmospheric turbulent CFD model pollutant dispersion
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[6A9278CC03D4]
http://linked.open...i/riv/nazevZdroje	Environmental monitoring and assessment
http://linked.open...in/vavai/riv/obor	DG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	156
http://linked.open...iv/tvurceVysledku	Jaňour, Zbyněk Kellnerová, Radka Yassin, Mohamed F.
http://linked.open...ain/vavai/riv/wos	000268776400020
http://linked.open...n/vavai/riv/zamer	Complex dynamical systems in thermodynamics, fluid and solid mechanics
issn	0167-6369
number of pages	17 (xsd:int)

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