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Turbulence Heat and Mass Transfer 6. Proceedings of the Sixth International Symposium On Turbulence Heat and Mass Transfer
September, 14-18, 2009, Rome, Italy

DOI: 10.1615/ICHMT.2009.TurbulHeatMassTransf


ISBN Print: 978-1-56700-262-1

ISSN: 2377-2816

Large Eddy Simulation of traffic pollutant dispersion in a residence area

page 8
DOI: 10.1615/ICHMT.2009.TurbulHeatMassTransf.2010
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ABSTRAKT

In this paper the traffic pollution in downtown Macao is investigated by Large Eddy Simulation (LES). The complex building layout is simulated by a composite model that the buildings and streets are properly resolved with fine grids in the residential area and a roughness element model is used for buildings in the surrounding area with coarse grids. The wind field and carbon oxide distribution are computed from 7 am to 5 pm in an autumn day. The numerical results are checked by wind tunnel measurement and field observation with satisfaction.

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