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Statements

Subject Item
n2:RIV%2F61388998%3A_____%2F12%3A00377113%21RIV13-AV0-61388998
rdf:type
n7:Vysledek skos:Concept
rdfs:seeAlso
http://www.tswj.com/2012/381357/
dcterms:description
This study determines processes of ventilation in the X-shaped street intersection in an idealized symmetric urban area for several approach flow directions. A unique wind tunnel experimental setup is assembled for simultaneous measurement of the flow velocity and the tracer gas concentration in a high temporal resolution. Advective horizontal and vertical scalar fluxes are computed from averaged measured data within the intersection. Vertical advective and turbulent scalar fluxes are computed from synchronized velocity and concentration signals measured in the plane above the intersection. The influence of the approach flow on the scalar fluxes is determined. The contribution of the advective and turbulent flux to the ventilation is discussed. Wind direction with the best dispersive conditions in the area is found. The quadrant analysis is applied to the synchronized data to detect events with the dominant contribution to the momentum flux and turbulent scalar flux. This study determines processes of ventilation in the X-shaped street intersection in an idealized symmetric urban area for several approach flow directions. A unique wind tunnel experimental setup is assembled for simultaneous measurement of the flow velocity and the tracer gas concentration in a high temporal resolution. Advective horizontal and vertical scalar fluxes are computed from averaged measured data within the intersection. Vertical advective and turbulent scalar fluxes are computed from synchronized velocity and concentration signals measured in the plane above the intersection. The influence of the approach flow on the scalar fluxes is determined. The contribution of the advective and turbulent flux to the ventilation is discussed. Wind direction with the best dispersive conditions in the area is found. The quadrant analysis is applied to the synchronized data to detect events with the dominant contribution to the momentum flux and turbulent scalar flux.
dcterms:title
Wind Tunnel Measurement of Turbulent and Advective Scalar Fluxes: A Case Study on Intersection Ventilation Wind Tunnel Measurement of Turbulent and Advective Scalar Fluxes: A Case Study on Intersection Ventilation
skos:prefLabel
Wind Tunnel Measurement of Turbulent and Advective Scalar Fluxes: A Case Study on Intersection Ventilation Wind Tunnel Measurement of Turbulent and Advective Scalar Fluxes: A Case Study on Intersection Ventilation
skos:notation
RIV/61388998:_____/12:00377113!RIV13-AV0-61388998
n7:predkladatel
n18:ico%3A61388998
n3:aktivita
n5:Z n5:I
n3:aktivity
I, Z(AV0Z20760514)
n3:cisloPeriodika
381357
n3:dodaniDat
n9:2013
n3:domaciTvurceVysledku
n4:5538408 n4:2634163 n4:6974783 n4:8949573 n4:4644972
n3:druhVysledku
n12:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
181005
n3:idVysledku
RIV/61388998:_____/12:00377113
n3:jazykVysledku
n13:eng
n3:klicovaSlova
air pollution; atmospheric boundary layer; wind tunnel modelling; contaminant spreading; street canyon
n3:klicoveSlovo
n17:street%20canyon n17:wind%20tunnel%20modelling n17:atmospheric%20boundary%20layer n17:air%20pollution n17:contaminant%20spreading
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[DEB12F184D50]
n3:nazevZdroje
TheScientificWorldJOURNAL
n3:obor
n20:DG
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:rokUplatneniVysledku
n9:2012
n3:svazekPeriodika
2012
n3:tvurceVysledku
Nosek, Štěpán Jaňour, Zbyněk Kukačka, Libor Jurčáková, Klára Kellnerová, Radka
n3:wos
000305124800001
n3:zamer
n10:AV0Z20760514
s:issn
1537-744X
s:numberOfPages
13
n8:doi
10.1100/2012/381357