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Water 2016, 8(4), 126; doi:10.3390/w8040126

Network Capacity Assessment and Increase in Systems with Intermittent Water Supply

FluIng-IMM, Universitat Politècnica de València, Camino de Vera s/n Edif. 5C, Spain
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Academic Editor: Helena Ramos
Received: 3 January 2016 / Revised: 26 March 2016 / Accepted: 28 March 2016 / Published: 31 March 2016
(This article belongs to the Special Issue Water Systems towards New Future Challenges)
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Abstract

Water supply systems have been facing many challenges in recent decades due to the potential effects of climate change and rapid population growth. Water systems need to expand because of demographic growth. Therefore, evaluating and increasing system capacity is crucial. Specifically, we analyze network capacity as one of the main features of a system. When the network capacity starts to decrease, there is a risk that continuous supply will become intermittent. This paper discusses how network expansion carried out throughout the network life span typically reduces network capacity, thus transforming a system originally designed to work with continuous supply into a system with intermittent supply. A method is proposed to expand the network capacity in an environment of economic scarcity through a greedy algorithm that enables the definition of a schedule for pipe modification stages, and thus efficiently expands the network capacity. This method is, at the same time, an important step in the process of changing a water system from intermittent back to continuous supply—an achievement that remains one of the main challenges related to water and health in developing countries. View Full-Text
Keywords: water network expansion; water network capacity; intermittent water supply; theoretical maximum flow; system setting curve water network expansion; water network capacity; intermittent water supply; theoretical maximum flow; system setting curve
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Ilaya-Ayza, A.E.; Campbell, E.; Pérez-García, R.; Izquierdo, J. Network Capacity Assessment and Increase in Systems with Intermittent Water Supply. Water 2016, 8, 126.

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