A Model for Flow and Dispersion Around Buildings and Its Validation Using Laboratory Measurements

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Numerical modeling of airflow and pollutant dispersion around buildings is a challenging task due to the geometrical variations of buildings and the extremely complex flow created by such surface-mounted obstacles. The airflow around buildings inevitably involves impingement and separation regions, a multiple vortex system with building wakes, and jetting effects in street canyons. The interference from adjacent buildings further complicates the flow and dispersion patterns. Thus accurate simulations of such flow and pollutant transport require not only appropriate physics submodels but also accurate numerics and significant computing resources. We have developed an efficient, high resolution CFD model for such purposes, … continued below

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Chan, S. T.; Stevens, D. & Lee, R. May 17, 2000.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 39 times. More information about this article can be viewed below.

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Numerical modeling of airflow and pollutant dispersion around buildings is a challenging task due to the geometrical variations of buildings and the extremely complex flow created by such surface-mounted obstacles. The airflow around buildings inevitably involves impingement and separation regions, a multiple vortex system with building wakes, and jetting effects in street canyons. The interference from adjacent buildings further complicates the flow and dispersion patterns. Thus accurate simulations of such flow and pollutant transport require not only appropriate physics submodels but also accurate numerics and significant computing resources. We have developed an efficient, high resolution CFD model for such purposes, with a primary goal to support incident response and preparedness in emergency response planning, vulnerability analysis, and the development of mitigation techniques.

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268 Kilobytes pages

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  • American Meteorological Society 3rd Symposium on the Urban Environment, Davis, CA (US), 08/14/2000--08/18/2000

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  • Report No.: UCRL-JC-137458
  • Grant Number: W-7405-Eng-48
  • Office of Scientific & Technical Information Report Number: 792814
  • Archival Resource Key: ark:/67531/metadc736321

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  • May 17, 2000

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  • Oct. 19, 2015, 7:39 p.m.

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  • Feb. 23, 2016, 5:37 p.m.

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Chan, S. T.; Stevens, D. & Lee, R. A Model for Flow and Dispersion Around Buildings and Its Validation Using Laboratory Measurements, article, May 17, 2000; California. (https://digital.library.unt.edu/ark:/67531/metadc736321/: accessed April 24, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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