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Article

Rehabilitation in Intermittent Water Distribution Networks for Optimal Operation

1
Civil Engineering Department, Polytechnical Institute of PUC Minas, Belo Horizonte 30535-901, Brazil
2
Hydraulic Engineering and Water Resources Department, School of Engineering, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
3
Fluing-Institute for Multidisciplinary Mathematics, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Pankaj Kumar
Water 2022, 14(1), 88; https://doi.org/10.3390/w14010088
Received: 25 November 2021 / Revised: 16 December 2021 / Accepted: 28 December 2021 / Published: 4 January 2022
(This article belongs to the Special Issue Urban Water Networks Modelling and Monitoring)
Equitable distribution of water is a growing source of worry, and concerns water systems’ managers as water-stressed areas steadily increase and situations of water scarcity are becoming more frequent. The problem goes beyond just the water sector and globally affects many countries’ economies since water resources have multiple uses (i.e., power generation, irrigation, etc.). One of the various strategies to overcome periods of extreme events (e.g., water scarcity) is the adoption of intermittent operation. Intermittent operation can minimize water losses, and manages to supply the same water demand (in terms of volume) during a reduced period of time. However, despite minimizing water losses, the energy consumption necessary to cope with the increased flows and head loss, due to the reduced number of operating hours, increases. This paper explores a strategy based on rehabilitation of the system’s main pipes. It also considers optimal selection and scheduling of pumps aiming at improving the system’s hydraulic parameters (e.g., velocity and head losses) and at reducing the operating costs. Both selection and scheduling of pumps and resizing of main pipes are optimized using Particle Swarm Optimization. The obtained results show that this strategy can significantly reduce the energy consumed and can be economically feasible. View Full-Text
Keywords: rehabilitation; intermittent operation; optimization; water scarcity; water distribution rehabilitation; intermittent operation; optimization; water scarcity; water distribution
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MDPI and ACS Style

Souza, R.G.; Meirelles, G.; Brentan, B.; Izquierdo, J. Rehabilitation in Intermittent Water Distribution Networks for Optimal Operation. Water 2022, 14, 88. https://doi.org/10.3390/w14010088

AMA Style

Souza RG, Meirelles G, Brentan B, Izquierdo J. Rehabilitation in Intermittent Water Distribution Networks for Optimal Operation. Water. 2022; 14(1):88. https://doi.org/10.3390/w14010088

Chicago/Turabian Style

Souza, Rui G., Gustavo Meirelles, Bruno Brentan, and Joaquín Izquierdo. 2022. "Rehabilitation in Intermittent Water Distribution Networks for Optimal Operation" Water 14, no. 1: 88. https://doi.org/10.3390/w14010088

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