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  • The wind-tunnel modelling of dispersion is very sensitive to central symmetry. The asymmetry of concentration field inside the symmetrical model is often caused by two causes: inappropriate inlet conditions or non-symmetric set-up of model. The project has carried out the flow measurements by Laser Doppler Anemometer's probe merged into the tunnel. The aim was to investigate the flow processes inside the tunnel body-tube itself – i.e. without the model and inside the model of a symmetrical urban intersection. The influence of wind direction and model arrangement suppressing the lateral flow was tested. The largest deviations from symmetry were caused by the circumfluence of the measuring devices.
  • The wind-tunnel modelling of dispersion is very sensitive to central symmetry. The asymmetry of concentration field inside the symmetrical model is often caused by two causes: inappropriate inlet conditions or non-symmetric set-up of model. The project has carried out the flow measurements by Laser Doppler Anemometer's probe merged into the tunnel. The aim was to investigate the flow processes inside the tunnel body-tube itself – i.e. without the model and inside the model of a symmetrical urban intersection. The influence of wind direction and model arrangement suppressing the lateral flow was tested. The largest deviations from symmetry were caused by the circumfluence of the measuring devices. (en)
  • Fyzikální modelování rozptylu je velmi citlivé na osovou symetrii. Asymetrie pole koncentrace je často způsobená dvěma faktory: nevhodnými vstupními podmínkami nebo nesymetrickou geometrií modelu. Experiment použil metodu LDA se sondou vnořenou do tunelu. Cílem bylo proměřit proudové procesy jednak v těle tunelu samotném, jednak na modelu symetrické křižovatky. Byl testován vliv směru proudění a vliv laterálních proudù. Největší vliv na asymetrii mělo obtékání měřících zařízení. (cs)
Title
  • Symmetry of turbulent characteristics inside urban intersection
  • Symmetry of turbulent characteristics inside urban intersection (en)
  • Symetrie turbulentních charakteristik uvnitř městské křižovatky (cs)
skos:prefLabel
  • Symmetry of turbulent characteristics inside urban intersection
  • Symmetry of turbulent characteristics inside urban intersection (en)
  • Symetrie turbulentních charakteristik uvnitř městské křižovatky (cs)
skos:notation
  • RIV/61388998:_____/07:00094505!RIV08-AV0-61388998
http://linked.open.../vavai/riv/strany
  • 35;36
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(AV0Z20760514)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 453768
http://linked.open...ai/riv/idVysledku
  • RIV/61388998:_____/07:00094505
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • wind tunnel; asymetry; LDA (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [44DA5D296EB4]
http://linked.open...v/mistoKonaniAkce
  • Praha
http://linked.open...i/riv/mistoVydani
  • Praha
http://linked.open...i/riv/nazevZdroje
  • Colloquium FLUID DYNAMICS 2007
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Jaňour, Zbyněk
  • Kellnerová, Radka
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Ústav termomechaniky AV ČR
https://schema.org/isbn
  • 978-80-87012-07-9
is http://linked.open...avai/riv/vysledek of
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