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Statements

Subject Item
n2:RIV%2F61388998%3A_____%2F12%3A00388712%21RIV13-AV0-61388998
rdf:type
skos:Concept n8:Vysledek
dcterms:description
The objective of this experimental study is to determine processes of a vertical turbulent pollution transport above the X-shaped street intersection in an idealised symmetric urban area for several approach flow directions. An experimental set-up for simultaneous measurement of the flow velocity and the tracer gas con-centration in a high temporal resolution is assembled. Vertical turbulent scalar fluxes are computed from the measured data in a horizontal plane above the street intersection. The quadrant analysis was applied to the vertical turbulent pollution fluxes data. Events with dominant contribution to vertical turbulent pollution flux were detected. The mean duration, repetition frequency and the duration percentage were computed for these events. A strong influence of the approach flow direction on the type of dominant events and their characteristics was resolved. The objective of this experimental study is to determine processes of a vertical turbulent pollution transport above the X-shaped street intersection in an idealised symmetric urban area for several approach flow directions. An experimental set-up for simultaneous measurement of the flow velocity and the tracer gas con-centration in a high temporal resolution is assembled. Vertical turbulent scalar fluxes are computed from the measured data in a horizontal plane above the street intersection. The quadrant analysis was applied to the vertical turbulent pollution fluxes data. Events with dominant contribution to vertical turbulent pollution flux were detected. The mean duration, repetition frequency and the duration percentage were computed for these events. A strong influence of the approach flow direction on the type of dominant events and their characteristics was resolved.
dcterms:title
Quadrant analysis of turbulent pollution flux above the modelled street intersection Quadrant analysis of turbulent pollution flux above the modelled street intersection
skos:prefLabel
Quadrant analysis of turbulent pollution flux above the modelled street intersection Quadrant analysis of turbulent pollution flux above the modelled street intersection
skos:notation
RIV/61388998:_____/12:00388712!RIV13-AV0-61388998
n8:predkladatel
n9:ico%3A61388998
n3:aktivita
n15:Z n15:P
n3:aktivity
P(GAP101/12/1554), Z(AV0Z20760514)
n3:dodaniDat
n7:2013
n3:domaciTvurceVysledku
n12:2634163 n12:4644972 n12:8949573 n12:5538408 n12:6974783
n3:druhVysledku
n20:D
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n4:predkladatel
n3:idSjednocenehoVysledku
163714
n3:idVysledku
RIV/61388998:_____/12:00388712
n3:jazykVysledku
n22:eng
n3:klicovaSlova
air pollution; atmospheric boundary layer; wind tunnel modelling; contaminant spreading; quadrant analysis
n3:klicoveSlovo
n10:atmospheric%20boundary%20layer n10:wind%20tunnel%20modelling n10:contaminant%20spreading n10:air%20pollution n10:quadrant%20analysis
n3:kontrolniKodProRIV
[195663250238]
n3:mistoKonaniAkce
Hradec Králové
n3:mistoVydani
Liberec
n3:nazevZdroje
Experimental Fluid Mechanics 2012
n3:obor
n21:DG
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:projekt
n13:GAP101%2F12%2F1554
n3:rokUplatneniVysledku
n7:2012
n3:tvurceVysledku
Kukačka, Libor Jurčáková, Klára Jaňour, Zbyněk Nosek, Štěpán Kellnerová, Radka
n3:typAkce
n19:WRD
n3:zahajeniAkce
2012-11-20+01:00
n3:zamer
n17:AV0Z20760514
s:numberOfPages
8
n11:hasPublisher
Technická univerzita v Liberci
n16:isbn
978-80-7372-912-7