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Enhancements to AERMOD’s Building Downwash Algorithms based on Wind Tunnel and Embedded-LES Modeling
Monbureau, E., S. Perry, AND D. Heist. Enhancements to AERMOD’s Building Downwash Algorithms based on Wind Tunnel and Embedded-LES Modeling. Building Downwash Summit, Research Triangle Park, NC, February 16, 2018.
Presented at the Building Downwash Workshop.
This presentation presents three modifications to the building downwash algorithm in AERMOD that improve the physical basis and internal consistency of the model, and one modification to AERMOD’s building pre-processor to better represent elongated buildings in oblique winds. These modifications are demonstrated to improve the ability of AERMOD to model observed ground-level concentrations in the vicinity of a building for the variety of conditions examined in wind tunnel and numerical studies.
Record Details:Record Type: DOCUMENT (PRESENTATION/SLIDE)
Organization:U.S. ENVIRONMENTAL PROTECTION AGENCY
OFFICE OF RESEARCH AND DEVELOPMENT
NATIONAL EXPOSURE RESEARCH LABORATORY
COMPUTATIONAL EXPOSURE DIVISION
ATMOSPHERIC MODEL APPLICATION & ANALYSIS BRANCH