Transient Airflow in Building Drainage Systems  book cover
1st Edition

Transient Airflow in Building Drainage Systems

ISBN 9780367577186
Published June 30, 2020 by Routledge
362 Pages

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Book Description

Giving you the first comprehensive presentation of the ground breaking research undertaken at Heriot Watt University, with Research Council and industrial funding, this book brings a new perspective to the design of building drainage and vent systems. It provides the building services community with clear and verifiable design methods that will be robust enough to meet challenges such as climate change and water conservation; population migration to the mega cities of the developing world, and the consequent pressures of user concentration; the rise of the prestige building and the introduction of new appliances and control strategies. These all combine to make traditional codified design guidance insufficient. Many assumptions in existing codes defining the entrained airflows within building drainage vent systems cannot be theoretically supported, so designers concerned with these systems need analysis and simulation capabilities which are at least as reliable as those enjoyed by other building services practitioners.

The Method of Characteristics solution techniques which are well established in the pressure surge field are now used to provide solutions for drainage designers. The material is applied to a whole range of abstract scenarios then to a series of real world applications including the forensic modelling of the SARS virus spread within Amoy Gardens in 2003 and the refurbishment of the O2 Dome. Applications to specialised services, including underground station drainage and highly infectious disease treatment facilities are discussed and demonstrated, alongside the use of design and simulation techniques in support of product development.

Aimed at both professional and academic users, this book serves both as a design aid and as a core text for specialist masters courses in public health and building services engineering.

Table of Contents

1. Introduction to Water Flow Induced Air Movement in Building Drainage and Vent Systems  2. Introduction to Unsteady Flow and Pressure Transient Propagation  3. Air Pressure Transient Propagation  4. Theory and Method of Characteristics Solutions  5. Introduction to Air Pressure Transient Control and Suppression Strategies  6. Case Studies  7. Development of Linked Applications of MoC Simulations  8. National Codes  9. Conclusion

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John Swaffield is Emeritus Professor and former head of the School of the Built Environment and its Drainage Research Group at Heriot Watt University, Edinburgh. From 1996 to 2003 he was chair of the Water Regulations Advisory Committee of the UK government’s Department for Environment, Food and Rural Affairs and he was President of the Chartered Institution of Building Services Engineers for 2008–09.


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