Enhancing resilience in urban water systems for future cities

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dc.contributor.author Mugume, S. en
dc.contributor.author Diao, K. en
dc.contributor.author Astaraie-Imani, M. en
dc.contributor.author Fu, G. en
dc.contributor.author Farmani, R. en
dc.contributor.author Butler, D. en
dc.date.accessioned 2016-08-02T10:29:43Z
dc.date.available 2016-08-02T10:29:43Z
dc.date.issued 2015-12-01
dc.identifier.citation Mugume, S., Diao, K., Astaraie-Imani, M., Fu, G., Farmani, R. and Butler, D. (2015) Enhancing resilience in urban water systems for future cities. Water Science & Technology: Water Supply, 15 (6), pp. 1343-1352 en
dc.identifier.uri http://hdl.handle.net/2086/12411
dc.description.abstract In future cities, urban water systems (UWSs) should be designed not only for safe provision of services but should also be resilient to emerging or unexpected threats that lead to catastrophic system failure impacts and consequences. Resilience can potentially be built into UWSs by implementing a range of strategies, for example by embedding redundancy and flexibility in system design or rehabilitation to increase their ability to maintain acceptable customer service levels during unexpected system failures. In this work, a new resilience analysis is carried out to investigate the performance of a water distribution system (WDS) and an urban drainage system (UDS) during pipe failure scenarios. Using simplified synthetic networks, the effect of implementing adaptation (resilient design) strategies on minimising the loss of system functionality and cost of UWSs is investigated. Study results for the WDS case study show that the design strategy in which flexibility is enhanced ensures that all customers are served during single pipe failure scenarios. The results of the UDS case study indicate that the design strategy incorporating upstream distributed storage tanks minimises flood volume and mean duration of nodal flooding by 50.1% and 46.7%, respectively, even when system functionality is significantly degraded. When costs associated with failure are considered, resilient design strategies could prove to be more cost-effective over the design life of UWSs. en
dc.language.iso en en
dc.publisher International Water Association en
dc.subject flexibility en
dc.subject redundancy en
dc.subject resilience en
dc.subject pipe failure en
dc.subject urban water systems en
dc.title Enhancing resilience in urban water systems for future cities en
dc.type Article en
dc.identifier.doi https://dx.doi.org/10.2166/ws.2015.098
dc.peerreviewed Yes en
dc.funder UK Commonwealth PhD scholarship Engineering & Physical Sciences Research Council (ESPRC) - Safe & SuRe research fellowship en
dc.funder EPSRC (Engineering and Physical Sciences Research Council) en
dc.projectid EP/K006924/1 en
dc.cclicence CC-BY-NC-ND en
dc.date.acceptance 2015-07-07 en

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