Investigation and numerical modelling of roof drainage systems under extreme events

G. B. Wright, L. B. Jack, J. A. Swaffield

    Research output: Contribution to journalArticle

    13 Citations (Scopus)

    Abstract

    In April 2003 the UK Engineering and Physical Sciences Research Council (EPSRC) and a diverse group of interested parties began funding a number of major projects looking at the impacts of climate change on the built environment, transport and utilities. One of these projects, entitled AUDACIOUS, is concerned with the impact of climate change on all aspects of urban drainage systems. The main objective of this project is to investigate key aspects of the effects of climate change on existing drainage in urban areas, and hence provide tools for drainage managers and operators to adapt to uncertain future scenarios. A major element of this work is the development of a set of numerical models to simulate the performance of urban drainage systems under the type of extreme rainfall events associated with climate change. Once developed, it is intended to utilise such models in a diagnostic design capacity, to assist in the formulation of strategies to improve the performance of new and existing urban drainage systems under different climate change scenarios. This paper details the work that has been undertaken at Heriot-Watt University as part of the AUDACIOUS project. To date, this has involved the development of a numerical model to simulate the performance of roof drainage systems (both conventional and siphonic) under extreme rainfall events. The necessary experimental work is described, and the development of the model is detailed. Comparisons between model output and laboratory data are illustrated. Finally, conclusions are drawn regarding the progress to date, and plans for the next stage of the project are outlined. © 2005 Elsevier Ltd. All rights reserved.

    Original languageEnglish
    Pages (from-to)126-135
    Number of pages10
    JournalBuilding and Environment
    Volume41
    Issue number2
    DOIs
    Publication statusPublished - Feb 2006

    Keywords

    • Climate change
    • Numerical modelling
    • Roof drainage

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