Improving Consumer Satisfaction in Water Distribution Networks Through Optimal Use of Auxiliary Tanks (A Case Study of Kashan City, Iran)

Milad Latifi (), Mohammad Amin Gheibi () and Seyed Taghi (Omid) Naeeni ()
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Milad Latifi: University of Tehran
Mohammad Amin Gheibi: Shahid Beheshti University
Seyed Taghi (Omid) Naeeni: University of Tehran

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2018, vol. 32, issue 12, No 18, 4103-4122

Abstract: Abstract Temporal and spatial variations in pressure may lead to consumer dissatisfaction and distrust of water distribution networks when it comes to reliable performance. Pressure management is a set of programs and operations conducted in water distribution networks to adjust the pressure. Constructing new auxiliary tanks in proper locations at the best height for the area they serve minimizes the pressure fluctuations. Additionally, chlorine is often injected in the reservoirs and tanks to improve the water quality. The goal of this research was to improve the condition of the network by adding auxiliary tanks with appropriate locations, heights and chlorine concentration. An optimization model is prepared to optimize consumer satisfaction, water quality and the relevant costs as objective functions. The performance of the models are evaluated by a selected case study; and the objectives are optimized in three scenarios. Using the proposed model in a water distribution network, a trade-off diagram of reliability and costs is obtained, that lets the decision makers select the proper options considering the available fund. A new indicator, the consumer satisfaction index, is also proposed as a way to evaluate the performance of water distribution networks.

Keywords: Auxiliary tanks; Consumers’ satisfaction index; Optimization; Reliability; Water distribution network (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1007/s11269-018-2044-z

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