Residual Chlorine in the Extremities of the Drinking Water Distribution System: The Influence of Stochastic Water Demands

An all pipes network model with stochastic drinking water demand patterns (bottom-up) was used to study the difference in residual chlorine predictions compared to a transport model with one demand pattern (top-down). The results showed that the demand model had a small effect in combination with bu...

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Bibliographic Details
Published in:Procedia engineering 2014, Vol.70, p.172-180
Main Authors: Blokker, M., Vreeburg, J., Speight, V.
Format: Article
Language:English
Subjects:
Chlorine residual
drinking water demand modelling
stochastic modelling
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Summary:An all pipes network model with stochastic drinking water demand patterns (bottom-up) was used to study the difference in residual chlorine predictions compared to a transport model with one demand pattern (top-down). The results showed that the demand model had a small effect in combination with bulk decay at constant temperature. The top-down model results in higher chlorine predictions, but not at all locations and not consistently throughout the day. Including wall decay is important but only at certain locations. The bottom-up approach can help clarify the residence time at the worst locations.
ISSN:1877-7058
1877-7058
DOI:10.1016/j.proeng.2014.02.020