Application of k− ε model to the stable ABL: Pollution in complex terrain

A procedure for the prediction of stable atmospheric boundary layers (ABL) over complex terrain is developed. The standard k− ε model and the computer programme CFX are used as a basis. The turbulence model is modified for the prediction of stable ABL according to recent published works. The procedu...

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Bibliographic Details
Published in:Journal of wind engineering and industrial aerodynamics 1997-06, Vol.67, p.425-436
Main Authors: Huser, Asmund, Nilsen, Pål Jahre, Skåtun, Helge
Format: Article
Language:English
Subjects:
Aerodynamics
Air pollution
Air pollution control
Atmospheric turbulence
Boundary layer flow
Boundary layers
Computational fluid dynamics
Database systems
Environmental aerodynamics
Estimation
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Summary:A procedure for the prediction of stable atmospheric boundary layers (ABL) over complex terrain is developed. The standard k− ε model and the computer programme CFX are used as a basis. The turbulence model is modified for the prediction of stable ABL according to recent published works. The procedure employs databases containing topology, road and traffic data, and is applied to estimate ground pollution concentrations in a stable atmosphere over rough terrain. Examples from road planning in Drammen City show comparison with measurements and effects of planned roads.
ISSN:0167-6105
1872-8197
DOI:10.1016/S0167-6105(97)00091-3