District Metered Areas Design Under Different Decision Makers’ Options: Cost Analysis View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2013-10

AUTHORS

Ricardo Gomes, Alfeu S. A. Marques, Joaquim Sousa

ABSTRACT

Water loss is a big challenge for water supply companies worldwide, and the Water Network Partitioning (WNP) is an excellent tool for water loss management–particularly in the current difficult economic and financial conditions. WNP is a recent research line and consists in dividing the water distribution network into smaller zones called District Metered Areas (DMAs) with one (or more, in exceptional cases) supply point, to reduce the network complexity and/or allow pressure management. Since there are several possible future scenarios, such as the water demand and/or the infrastructure degradation forecasts, which may have different impacts on the hydraulic behaviour, in this paper a computational application, based on an optimization model, is proposed to achieve a compromise between robustness required for the DMAs design (using a baseline scenario) and different decision makers’ options (using other scenarios with a lower “probability” of occurrence), to reduce the total cost. The objective function reflects the minimization of the squared deviations between the total cost of the DMAs design and the minimum cost for each scenario forecasted for the project plan, multiplied by the weight or “probability” of occurrence for each of the scenarios. The performance of the computational application is illustrated with a case study, and the results are encouraging. More... »

PAGES

4527-4543

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s11269-013-0424-y

DOI

http://dx.doi.org/10.1007/s11269-013-0424-y

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1000807367


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