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Title: An Evaluation of Boundary Conditions for Modeling Urban Boundary Layers

Abstract

Numerical modeling of the urban boundary layer is complicated by the need to describe airflow patterns outside of the computational domain. These patterns have an impact on how successfully the simulation is able to model the turbulence associated with the urban boundary layer. This talk presents experiments with the model boundary conditions for simulations that were done to support two Department of Energy observational programs involving the Salt Lake City basin. The Chemical/Biological Non-proliferation Program (CBNP) is concerned with the effects of buildings on influencing dispersion patterns in urban environments. The Vertical Transport and Mixing Program (VTMX) investigating mixing mechanisms in the stable boundary layer and how they are influenced by the channeling caused by drainage flows or by obstacles such as building complexes. Both of these programs are investigating the turbulent mixing caused by building complexes and other urban obstacles.

Authors:
; ;
Publication Date:
Research Org.:
Lawrence Livermore National Lab., CA (US)
Sponsoring Org.:
USDOE Office of Defense Programs (DP) (US)
OSTI Identifier:
792807
Report Number(s):
UCRL-JC-137626
TRN: US200302%%95
DOE Contract Number:  
W-7405-Eng-48
Resource Type:
Conference
Resource Relation:
Conference: American Meteorological Society, Boston, MA (US), 08/07/2000--08/11/2000; Other Information: PBD: 18 May 2000
Country of Publication:
United States
Language:
English
Subject:
17 WIND ENERGY; BOUNDARY CONDITIONS; BOUNDARY LAYERS; CHANNELING; DRAINAGE; EVALUATION; LAKES; SIMULATION; TRANSPORT; TURBULENCE

Citation Formats

Calhoun, R J, Chan, S T, and Lee, R L. An Evaluation of Boundary Conditions for Modeling Urban Boundary Layers. United States: N. p., 2000. Web.
Calhoun, R J, Chan, S T, & Lee, R L. An Evaluation of Boundary Conditions for Modeling Urban Boundary Layers. United States.
Calhoun, R J, Chan, S T, and Lee, R L. Thu . "An Evaluation of Boundary Conditions for Modeling Urban Boundary Layers". United States. https://www.osti.gov/servlets/purl/792807.
@article{osti_792807,
title = {An Evaluation of Boundary Conditions for Modeling Urban Boundary Layers},
author = {Calhoun, R J and Chan, S T and Lee, R L},
abstractNote = {Numerical modeling of the urban boundary layer is complicated by the need to describe airflow patterns outside of the computational domain. These patterns have an impact on how successfully the simulation is able to model the turbulence associated with the urban boundary layer. This talk presents experiments with the model boundary conditions for simulations that were done to support two Department of Energy observational programs involving the Salt Lake City basin. The Chemical/Biological Non-proliferation Program (CBNP) is concerned with the effects of buildings on influencing dispersion patterns in urban environments. The Vertical Transport and Mixing Program (VTMX) investigating mixing mechanisms in the stable boundary layer and how they are influenced by the channeling caused by drainage flows or by obstacles such as building complexes. Both of these programs are investigating the turbulent mixing caused by building complexes and other urban obstacles.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2000},
month = {5}
}

Conference:
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