About: Turbulent flow and scalar fluxes characteristics, case study on an intersection ventilation

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The objective of this study is to determine processes of pollution ventilation in the X-shaped street intersection within an idealized symmetric urban area for the changing approach flow direction. A unique experimental set-up for simultaneous wind tunnel measurement of the flow velocity and the tracer gas concentration in a high temporal resolution is assembled. Advective horizontal and vertical scalar fluxes are computed from averaged measured velocity and concentration data within the street intersection. Vertical turbulent scalar fluxes are computed from synchronized velocity and concentration signals measured in the plane above the intersection. All results are obtained for five approach flow directions. The influence of the approach flow to the advective and turbulent 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 objective of this study is to determine processes of pollution ventilation in the X-shaped street intersection within an idealized symmetric urban area for the changing approach flow direction. A unique experimental set-up for simultaneous wind tunnel measurement of the flow velocity and the tracer gas concentration in a high temporal resolution is assembled. Advective horizontal and vertical scalar fluxes are computed from averaged measured velocity and concentration data within the street intersection. Vertical turbulent scalar fluxes are computed from synchronized velocity and concentration signals measured in the plane above the intersection. All results are obtained for five approach flow directions. The influence of the approach flow to the advective and turbulent 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. (en)
Title	Turbulent flow and scalar fluxes characteristics, case study on an intersection ventilation Turbulent flow and scalar fluxes characteristics, case study on an intersection ventilation (en)
skos:prefLabel	Turbulent flow and scalar fluxes characteristics, case study on an intersection ventilation Turbulent flow and scalar fluxes characteristics, case study on an intersection ventilation (en)
skos:notation	RIV/61388998:_____/12:00376042!RIV13-AV0-61388998
http://linked.open...avai/predkladatel	Ústav termomechaniky AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z20760514)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Nosek, Štěpán Kukačka, Libor Kellnerová, Radka Jaňour, Zbyněk Jurčáková, Klára
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	175337
http://linked.open...ai/riv/idVysledku	RIV/61388998:_____/12:00376042
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	air pollution; atmospheric boundary layer; wind tunnel modelling; contaminant spreading; scalar fluxes; street canyon; street intersection; urban area ventilation (en)
http://linked.open.../riv/klicoveSlovo	street intersection urban area ventilation atmospheric boundary layer contaminant spreading scalar fluxes wind tunnel modelling street canyon air pollution
http://linked.open...ontrolniKodProRIV	[FD1BBA49449D]
http://linked.open...v/mistoKonaniAkce	Atheny
http://linked.open...i/riv/mistoVydani	Hatfield
http://linked.open...i/riv/nazevZdroje	8th International Conference on Air Quality Science and Application
http://linked.open...in/vavai/riv/obor	DG
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Jaňour, Zbyněk Jurčáková, Klára Kellnerová, Radka Kukačka, Libor Nosek, Štěpán
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2012-03-19 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Complex dynamical systems in thermodynamics, fluid and solid mechanics
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	University of Hertfordshire
https://schema.org/isbn	978-1-907396-80-9
is http://linked.open...avai/riv/vysledek of	Turbulent flow and scalar fluxes characteristics, case study on an intersection ventilation

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