Modelling solid transport in building drainage systems

John A. Swaffield, John A. McDougall

    Research output: Contribution to journalArticlepeer-review

    14 Citations (Scopus)


    The transient flow conditions within a building drainage system may be simulated by the numerical solution of the defining equations of momentum and continuity, coupled to a knowledge of the boundary conditions representing either appliances discharging to the network or particular network terminations. While the fundamental mathematics has long been available, it is the availability of fast, affordable and accessible computing that has allowed the development of the simulations presented in this paper. A drainage system model for unsteady partially filled pipeflow will be presented in this paper. The model is capable of predicting flow depth and rate, and solid velocity, throughout a complex network. The ability of such models to assist in the decision making and design processes will be shown, particularly in such areas as appliance design and water conservation.

    Original languageEnglish
    Pages (from-to)9-16
    Number of pages8
    JournalWater Science and Technology
    Issue number9
    Publication statusPublished - 1996
    EventProceedings of the 1995 IAWQ International Specialized Conference on Sewer Solids - Characteristics, Movement, Effects and Control - Dundee, UK
    Duration: 6 Sept 19958 Sept 1995


    • Drainage systems
    • Network simulation
    • Solid transport
    • Solid velocity
    • Unsteady flow
    • Water conservation


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