Joint urban 2003 street canyon experiment

Michael J. Brown, David Boswell, Gerald Streit, Matt Nelson, Tim McPherson, Timothy Hilton, Eric R. Pardyjak, Suhas Pol, Prathap Ramamurthy, Brad Hansen, Petra Kastner-Klein, James Clark, Andy Moore, Daniel Walker, Nicola Felton, Doug Strickland, David Brook, Marko Princevac, Dragan Zajic, Roger WaysonJohn MacDonald, Gregg Fleming, Donny Storwold

Research output: Contribution to journalConference articlepeer-review

Abstract

The prior field and laboratory experiments on street canyon flow were reviewed to evaluate the next generation of urban dispersion models. Much information of dispersion and flow patterns in the urban street canyon was obtained from reduced-scale wind-tunnel experiments. Several studies show that a helical vortex is formed between two buildings if the wind is within 60 degrees of perpendicular to the building face, otherwise no vortex forms. The measurement of wind velocities at a few positions in a street canyon between two farm house buildings with peaked roofs shows that the canyon vortex is highly intermittent and the mean filed is dominated by turbulent fluctuations.

Original languageEnglish
Pages (from-to)763-773
Number of pages11
JournalBulletin of the American Meteorological Society
StatePublished - 2004
EventCombined Preprints: 84th American Meteorological Society (AMS) Annual Meeting - Seattle, WA., United States
Duration: Jan 11 2004Jan 15 2004

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