Siphonic roof drainage system analysis utilising unsteady flow theory

S. Arthur, J. A. Swaffield

    Research output: Contribution to journalArticlepeer-review

    21 Citations (Scopus)


    Over the past three years a UK EPSRC research programme has been underway at Heriot-Watt University investigating siphonic roof rainwater systems. This text aims to report the principle findings of the project to date. A brief description of experimental and numerical aims is given. The priming procedure which occurs in an idealised system is documented. The test procedures employed are described, and experimental results are illustrated. The framework employed to numerically model the ambient hydraulics is described in some detailed. Conclusions are drawn regarding the operational characteristics of siphonic roof rainwater systems as a whole. © 2001 Elsevier Science Ltd. All rights reserved.

    Original languageEnglish
    Pages (from-to)939-948
    Number of pages10
    JournalBuilding and Environment
    Issue number8
    Publication statusPublished - Oct 2001


    • Method of characteristics
    • Roof drainage
    • Siphonic roof drainage system


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