Pressure Management Through Optimal Location and Setting of Valves in Water Distribution Networks Using a Music-Inspired Approach

Francesco Paola (), Maurizio Giugni and Davide Portolano
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Francesco Paola: University of Naples Federico II
Maurizio Giugni: University of Naples Federico II
Davide Portolano: University of Naples Federico II

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2017, vol. 31, issue 5, No 7, 1517-1533

Abstract: Abstract Pressure management through Pressure Reducing Valves (PRVs) is probably the most used approach related to the leakage management in Water Distribution Networks (WDNs). Its effectiveness in reducing the amount of water losses in existing networks has been highlighted in many papers. In this study, the topic is addressed with particular reference to meta-heuristic optimization techniques, that have proved to be very effective in producing good results with reduced use of computational resources. In particular, the application of the Harmony-Search (HS) method to the location and setting of a pre-fixed number of PRVs is proposed and discussed. A single objective optimization problem is defined which aims at the leakage reduction through the minimization of the water pressures. A double harmonic component is adopted for taking into account both the location and the setting of each PRV. The hydraulic constraints handled by a simulation software are considered as well. The approach is applied to a couple of WDNs: one is the Jowitt and Xu well-known literature test case and the other is a real WDN in Naples, called Napoli Est. The methodology has showed very good results compared to those obtained by using classical Genetic Algorithm techniques both in terms of leakage reduction and computation time.

Keywords: Water Distribution Networks; Pressure Management; Water leakages; Pressure Reducing Valves; Meta-heuristic algorithm; Harmony Search (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1007/s11269-017-1592-y

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