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Flow and Transport Processes with Complex Obstructions [electronic resource] :Applications to Cities, Vegetative Canopies, and Industry / edited by Yevgeny A. Gayev, Julian C.R. Hunt.

by Gayev, Yevgeny A [editor.]; Hunt, Julian C.R [editor.]; SpringerLink (Online service).
Material type: materialTypeLabelBookSeries: NATO Science Series: 236Publisher: Dordrecht : Springer Netherlands, 2007.Description: XII, 414 p. online resource.ISBN: 9781402053856.Other title: Proceedings of the NATO Advanced Study Institute on Flow and Transport Processes in Complex Obstructed Geometries: from Cities and Vegetative Canopies to Engineering Problems, held in Kyiv, Ukraine, May 4-15, 2004.Subject(s): Environmental sciences | Meteorology | Fluids | Hydraulic engineering | Physical geography | Environmental protection | Environment | Environmental Physics | Fluids | Engineering Fluid Dynamics | Meteorology/Climatology | Atmospheric Protection/Air Quality Control/Air PollutionDDC classification: 333.7 Online resources: Click here to access online
Contents:
Variety of problems associated with Canopies, or EPRs -- Discrete and continuum models of flow and dispersion through canopies -- Easily Penetrable Roughnesses of different structures -- Observation and simulation of flow in vegetation canopies -- Turbulent flow in canopies on complex topography and the effects of stable stratification -- Transport in aquatic canopies -- Vorticity annihilation and inviscid blocking in multibody flows -- Fires in porous media: natural and urban canopies -- Urban air flow researches for air pollution, emergency preparedness and urban weather prediction.
In: Springer eBooksSummary: This monograph, written by world-recognized experts, is the first book that reviews a variety of problems in different fluid mechanics disciplines that led to the concept of canopy, or penetrable roughness. Despite their diversity, many flows may be theoretically united by means of introducing distributed sinks and/or sources of momentum and heat and mass. Terrestrial vegetation, historically the first example of canopies, creates specific features of turbulence. Aquatic canopies exhibit a range of behaviour depending on the depth of submergence, geometrical forms of the obstacles and the patterns of their relative locations. These and other flows in engineering and environmental situations over surfaces with many obstacles are reviewed in terms of general concepts of fluid mechanics. They have been subject to examination by field-scale and laboratory experiments, and have been modelled and simulated using a variety of computational techniques. Distinct regions of the flows are identified. Application of the flow modelling is also relevant to predicting the dispersion of pollutants in these complex flows, particularly for releases in street canyons and fire propagation.
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Variety of problems associated with Canopies, or EPRs -- Discrete and continuum models of flow and dispersion through canopies -- Easily Penetrable Roughnesses of different structures -- Observation and simulation of flow in vegetation canopies -- Turbulent flow in canopies on complex topography and the effects of stable stratification -- Transport in aquatic canopies -- Vorticity annihilation and inviscid blocking in multibody flows -- Fires in porous media: natural and urban canopies -- Urban air flow researches for air pollution, emergency preparedness and urban weather prediction.

This monograph, written by world-recognized experts, is the first book that reviews a variety of problems in different fluid mechanics disciplines that led to the concept of canopy, or penetrable roughness. Despite their diversity, many flows may be theoretically united by means of introducing distributed sinks and/or sources of momentum and heat and mass. Terrestrial vegetation, historically the first example of canopies, creates specific features of turbulence. Aquatic canopies exhibit a range of behaviour depending on the depth of submergence, geometrical forms of the obstacles and the patterns of their relative locations. These and other flows in engineering and environmental situations over surfaces with many obstacles are reviewed in terms of general concepts of fluid mechanics. They have been subject to examination by field-scale and laboratory experiments, and have been modelled and simulated using a variety of computational techniques. Distinct regions of the flows are identified. Application of the flow modelling is also relevant to predicting the dispersion of pollutants in these complex flows, particularly for releases in street canyons and fire propagation.

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