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Statements

Subject Item
n2:RIV%2F61388998%3A_____%2F09%3A00333100%21RIV10-MSM-61388998
rdf:type
n7:Vysledek skos:Concept
dcterms:description
The objective of this study is physical modelling of emissions from vehicle exhausts in street canyons within an urban area and the influence of the approach flow direction on contaminant spreading. The requirements of the similarity of the atmospheric boundary layer and a boundary layer in the wind tunnel are satisfied. For several flow directions mean velocity and concentration fields are measured within street canyon intersection inside symmetrical urban built-up area. Scalar fluxes are computed from measured data to quantify pollutant spreading. Results of the experiment show a significant sensitivity of the mean velocity field on the approach flow direction. The approach flow extensively influence contaminant spreading within the built-up area and therefore intensity of street canyons ventilation vary with the approach flow direction. The approximate flow direction with the most favourable dispersion conditions in the studied area is found out. The objective of this study is physical modelling of emissions from vehicle exhausts in street canyons within an urban area and the influence of the approach flow direction on contaminant spreading. The requirements of the similarity of the atmospheric boundary layer and a boundary layer in the wind tunnel are satisfied. For several flow directions mean velocity and concentration fields are measured within street canyon intersection inside symmetrical urban built-up area. Scalar fluxes are computed from measured data to quantify pollutant spreading. Results of the experiment show a significant sensitivity of the mean velocity field on the approach flow direction. The approach flow extensively influence contaminant spreading within the built-up area and therefore intensity of street canyons ventilation vary with the approach flow direction. The approximate flow direction with the most favourable dispersion conditions in the studied area is found out.
dcterms:title
WIND TUNNEL MODELING OF CONTAMINANT SPREADING AT AN INTERSECTION DEPENDING ON THE APPROACH FLOW DIRECTION WIND TUNNEL MODELING OF CONTAMINANT SPREADING AT AN INTERSECTION DEPENDING ON THE APPROACH FLOW DIRECTION
skos:prefLabel
WIND TUNNEL MODELING OF CONTAMINANT SPREADING AT AN INTERSECTION DEPENDING ON THE APPROACH FLOW DIRECTION WIND TUNNEL MODELING OF CONTAMINANT SPREADING AT AN INTERSECTION DEPENDING ON THE APPROACH FLOW DIRECTION
skos:notation
RIV/61388998:_____/09:00333100!RIV10-MSM-61388998
n3:aktivita
n8:Z n8:P
n3:aktivity
P(OC 113), Z(AV0Z20760514)
n3:dodaniDat
n10:2010
n3:domaciTvurceVysledku
n4:5538408 n4:8949573 n4:4644972 n4:2634163
n3:druhVysledku
n19:D
n3:duvernostUdaju
n12:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
351965
n3:idVysledku
RIV/61388998:_____/09:00333100
n3:jazykVysledku
n18:eng
n3:klicovaSlova
air pollution; boundary layer; physical modelling; contaminant spreading
n3:klicoveSlovo
n17:air%20pollution n17:boundary%20layer n17:contaminant%20spreading n17:physical%20modelling
n3:kontrolniKodProRIV
[EBE7084DE492]
n3:mistoKonaniAkce
Liberec
n3:mistoVydani
Liberec
n3:nazevZdroje
Experimental Fluid Mechanics 2009
n3:obor
n16:DG
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:projekt
n21:OC%20113
n3:rokUplatneniVysledku
n10:2009
n3:tvurceVysledku
Kellnerová, Radka Kukačka, Libor Bezpalcová, Klára Jaňour, Zbyněk
n3:typAkce
n15:EUR
n3:zahajeniAkce
2009-11-25+01:00
n3:zamer
n20:AV0Z20760514
s:numberOfPages
8
n6:hasPublisher
Technická univerzita v Liberci
n11:isbn
978-80-7372-538-9