Dispersion of localised releases in a street network (DIPLOS)

Lead Research Organisation: University of Surrey
Department Name: Mechanical Medical and Aerospace Eng

Abstract

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Publications

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Belcher S (2014) Processes controlling atmospheric dispersion through city centres in Journal of Fluid Mechanics

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Castro I (2016) Measurements and Computations of Flow in an Urban Street System in Boundary-Layer Meteorology

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Hertwig D (2018) Evaluation of fast atmospheric dispersion models in a regular street network in Environmental Fluid Mechanics

 
Description Wind tunnel and advanced computational methods (LES and DNS) agree well for the flow through a large, regular array of obstacles at a range of inclinations to the oncoming wind. Effects of a single large obstacle within the array have been characterised and shown to be substantial. This has been a factor in developing research concerning the impact of tall buildings (isolated or in groups) on boundary layer and dispersion characteristics.
Exploitation Route Data used by third parties for dispersion model validation; e.g. at dstl Porton Down
Sectors Aerospace, Defence and Marine,Environment

 
Description Data from wind tunnel studies is being used to evaluate the performance of the dstl UDM dispersion model and led to further work with dstl (Porton Town).
Sector Environment,Security and Diplomacy
Impact Types Societal

 
Description Future Cities Grand Challenge
Amount £4,173,134 (GBP)
Funding ID EP/N010221/1 
Organisation Engineering and Physical Sciences Research Council (EPSRC) 
Sector Public
Country United Kingdom
Start 12/2015 
End 12/2020
 
Description Workshop presentation 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Professional Practitioners
Results and Impact Presentation "Introduction to DIPLOS and wind tunnel measurements" at the Urban Fluid Mechanics Special interest Group, University of Southampton, 30-31 March, 2017
Year(s) Of Engagement Activity 2017