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Description
  • Pomocí fyzikálního modelování je studována ventilace uvnitř uličních kaňonů. Poměr výšky ku šířce kaňonu je rovný jedné. Projekt se zabývá charakteristikami rychlostí v oblasti křižovatky a přilehlého kaňonu. Šikmost a špičatost jednotlivých složek rychlosti vedou k identifikaci lokalit s výskytem silných intermitentních větrných poryvů. Nestability v proudění, které korespondují s vysokými hodnotami šikmosti, narušují stacionární víry a významně odvětrávají znečištění z některých částí uličního kaňonu. (cs)
  • The experiment uses wind-tunnel modelling method to investigate an intermittent ventilation of pollutants within an urban intersection with height to width ratio equal to one.Project has focused on velocity characteristics inside the intersection and adjacent canyon. The skewness and kurtosis of velocity components were studied in order to identify an area with strong intermittent tendency. Flow instabilities corresponding to enhancement of skewness value break down steady-state flow patterns and can significantly ventilate some places in canyon removing exhalations.
  • The experiment uses wind-tunnel modelling method to investigate an intermittent ventilation of pollutants within an urban intersection with height to width ratio equal to one.Project has focused on velocity characteristics inside the intersection and adjacent canyon. The skewness and kurtosis of velocity components were studied in order to identify an area with strong intermittent tendency. Flow instabilities corresponding to enhancement of skewness value break down steady-state flow patterns and can significantly ventilate some places in canyon removing exhalations. (en)
Title
  • The flow instabilities within an urban intersection
  • Nestabilita proudění v oblasti městské křižovatky (cs)
  • The flow instabilities within an urban intersection (en)
skos:prefLabel
  • The flow instabilities within an urban intersection
  • Nestabilita proudění v oblasti městské křižovatky (cs)
  • The flow instabilities within an urban intersection (en)
skos:notation
  • RIV/61388998:_____/08:00316558!RIV09-AV0-61388998
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(AV0Z20760514)
http://linked.open...iv/cisloPeriodika
  • 1
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
  • 368207
http://linked.open...ai/riv/idVysledku
  • RIV/61388998:_____/08:00316558
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • street canyon; urban intersection; skewness; quadrant analysis (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • HR - Chorvatská republika
http://linked.open...ontrolniKodProRIV
  • [02DF8F01FDF3]
http://linked.open...i/riv/nazevZdroje
  • Hrvatski Meteorološki Časopis
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 43
http://linked.open...iv/tvurceVysledku
  • Jaňour, Zbyněk
  • Kellnerová, Radka
http://linked.open...n/vavai/riv/zamer
issn
  • 1330-0083
number of pages
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