Optimal Design of District Metered Areas in a Water Distribution Network Using Coupled Self-Organizing Map and Community Structure Algorithm

Bui, Xuan Khoa; Marlim, Malvin S.; Kang, Doosun

doi:10.3390/w13060836

Cited by 16 publications

(13 citation statements)

References 56 publications

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“…Water age WA is a substitute indicator for evaluating water quality, and the value of WA affects the residual chlorine level in WDNs (Bui et al, 2021), which means that the residual chlorine concentration in WDNs decays as the WA increases. Therefore, WA can be used as a suitable indicator in simulating the changes in water quality in WDNs.…”

Section: Objective Functionsmentioning

confidence: 99%

Optimization of DMAs design and cooperative pressure reducing valves and pumping stations to achieve leakage control and energy saving strategy of water distribution networks

Li,

Shi,

Chang

et al. 2024

Preprint

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Leakage and energy consumption in urban water distribution networks (WDNs) have been receiving increasing attention, and pressure management based on district metered areas (DMAs) can effectively control leakage and save energy. In this paper, a new design method for establishing DMAs and carrying out pressure management is proposed. First, the combination of the non-dominated sorting genetic algorithm (NSGA-III) and spectral clustering algorithms, considering the partition cost, operation and management difficulty, post-partition water quality safety, and network water supply capacity factors, identifies the best DMA layouts and the corresponding boundary pipes with the help of multicriteria decision making (MCDM) methods. Second, the non-dominated sorting genetic algorithm (NSGA-II) is used to solve the optimal arrangement model of valves and flow meters on the boundary pipes, and the optimal arrangement is determined based on the equipment cost, water quality safety, and leakage control effect after partition. Finally, pressure reducing valves (PRVs) are installed at the inlet of the DMAs, and a genetic algorithm is used to solve the joint scheduling optimization model of the PRVs and pump station in WDNs to determine the optimal scheduling strategy for the PRVs and the fixed and variable speed pumps for leakage control and energy saving. The proposed method is applied to the SH town network. Results reveal that the method can establish DMAs considering multiple objectives. Furthermore, pressure management in DMAs can not only significantly reduce leakage and energy consumption of pumping stations but also improve the water quality of networks. Therefore, this method can provide a reference for water utilities in establishing DMAs and carrying out pressure management in WDNs in the future.

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Section: Objective Functionsmentioning

confidence: 99%

Optimization of DMAs design and cooperative pressure reducing valves and pumping stations to achieve leakage control and energy saving strategy of water distribution networks

Li,

Shi,

Chang

et al. 2024

Preprint

View full text Add to dashboard Cite

show abstract

“…A variety of algorithms are available like graph theory algorithms (Breadth first search-BFS, Depth first search-DFS, Dijkstra's algorithm-DA, etc.) [12,13], communities' identification algorithm (Fast Greedy Algorithm-FNA) [7,[14][15][16][17], multi-agent approaches, segments identification methods [3], etc. Alvisi et al [12] used the BFS algorithm to identify a group of nodes consisting of customer connections not exceeding 2000 numbers in each DMA.…”

Section: Figure 1: Generalized Flow Diagram Of Dmas Identification Proceduresmentioning

confidence: 99%

“…The performance evaluation is done to check if, each formed DMA fulfills the demands with adequate pressure heads at each node. A variety of performance indices like energy indices [31], entropy indices [14], pressure indices, fire protection indices, water quality indices [9,18], and mechanical indices can be used to evaluate the network performance after partitioning. The resilience index and water age index are the most widely used performance indicators [20].…”

Section: Figure 1: Generalized Flow Diagram Of Dmas Identification Proceduresmentioning

confidence: 99%

Partitioning of Water Distribution Network into District Metered Areas Using Existing Valves

Sharma¹,

Dongre²,

Gupta³

et al. 2022

Computer Modeling in Engineering &Amp; Sciences

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Water distribution network (WDN) leakage management has received increased attention in recent years. One of the most successful leakage-control strategies is to divide the network into District Metered Areas (DMAs). As a multi-staged technique, the generation of DMAs is a difficult task in design and implementation (i.e., clustering, sectorization, and performance evaluation). Previous studies on DMAs implementation did not consider the potential use of existing valves in achieving the objective. In this work, a methodology is proposed for detecting clusters and reducing the cost of additional valves and DMA sectorization by considering existing valves as much as possible. The procedure of DMAs identification has been divided into three stages, i.e., a) clusters identification; b) sectorization or boundaries optimization and c) performance evaluation of the partitioned network. The proposed methodology is evaluated on a simple network and a real-world water network with the findings provided and compared to the DMAs, established for a raw water network with no existing valves. It is found that there is an adequate difference in cost of strategy implementation in both the cases for the network under consideration and the existing valve system achieved better network performance in terms of resilience index.

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“…The development of an optimised design of DMA in multi-criteria decision analysis is a challenging task. Optimisation of DMA design using Self-Organizing Map (SOM), Community Structure Algorithm (CSA), modified k-mean clustering and fuzzy analytic hierarchy process are also available in literature [114,115].…”

Section: District Metered Areamentioning

confidence: 99%

Review on condition monitoring techniques for water pipelines

Latif

Shakir

Edwards³

et al. 2022

Measurement

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Optimal Design of District Metered Areas in a Water Distribution Network Using Coupled Self-Organizing Map and Community Structure Algorithm

Cited by 16 publications

References 56 publications

Optimization of DMAs design and cooperative pressure reducing valves and pumping stations to achieve leakage control and energy saving strategy of water distribution networks

Optimization of DMAs design and cooperative pressure reducing valves and pumping stations to achieve leakage control and energy saving strategy of water distribution networks

Partitioning of Water Distribution Network into District Metered Areas Using Existing Valves

Review on condition monitoring techniques for water pipelines

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