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Dongwoo Jang and Gyewoon Choi
The non-revenue water (NRW) ratio in water distribution networks is the ratio of losses from unbilled authorized consumption and apparent and real losses to the total water supply. NRW is an important parameter for prioritizing the improvement of a water...
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Carlo Ciaponi, Enrico Creaco, Armando Di Nardo, Michele Di Natale, Carlo Giudicianni, Dino Musmarra and Giovanni Francesco Santonastaso
This paper proposes a combined management strategy for monitoring water distribution networks (WDNs). This strategy is based on the application of water network partitioning (WNP) for the creation of district metered areas (DMAs) and on the installation ...
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Flavia D. Frederick, Malvin S. Marlim and Doosun Kang
Chlorine decay over time and distance travelled poses challenges in maintaining consistent chlorine levels from treatment plants to demand nodes in water distribution networks (WDNs). Many studies have focused on optimizing chlorine booster systems and a...
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Herman Mawengkang, Muhammad Romi Syahputra, Sutarman Sutarman and Gerhard Wilhelm Weber
Water distribution networks (WDNs) are defined as the planning for the development, distribution, and utilization of water resources. The main challenge of WDNs is to preserve limited water resources while providing effective benefits from these resource...
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Daniel Barros, Isabela Almeida, Ariele Zanfei, Gustavo Meirelles, Edevar Luvizotto, Jr. and Bruno Brentan
Leakages in distribution networks reach more than 30% of the water supplied, entailing important risks for the water infrastructure with water contamination issues. Therefore, it is necessary to develop new methods to mitigate the amount of water wastes....
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Kittikun Wongpeerak, Natchapol Charuwimolkul, Jiramate Changklom, Surachai Lipiwattanakarn and Adichai Pornprommin
The water quality audit concept is an important feature in assessing the loss of disinfectant mass in drinking water distribution systems. Based on this concept, the loss can be divided into the loss of disinfectant mass through water losses (????
M
l
) ...
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Martin Oberascher, Lukas Schartner and Robert Sitzenfrei
The potential of water supply systems for renewable electrical energy production is frequently utilised by a small-scale hydropower unit (SHPU) that utilises the surplus water or pressure. However, fluctuating demand on an hourly and daily basis represen...
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Stefania Piazza, Mariacrocetta Sambito and Gabriele Freni
Urban looped water distribution systems are highly vulnerable to water quality issues. They could be subject to contamination events (accidental or deliberate), compromising the water quality inside them and causing damage to the users? health. An effici...
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Marian Kwietniewski, Katarzyna Miszta-Kruk, Kaja Niewitecka, Miroslaw Sudol and Krzysztof Gaska
The security of water delivery of the required quality by water supply networks is identified with the concept of reliability. Therefore, a method of reliability evaluation of water distribution of the required quality was developed. The method is based ...
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Sangmin Shin, Seungyub Lee, David R. Judi, Masood Parvania, Erfan Goharian, Timothy McPherson and Steven J. Burian
Over the past few decades, the concept of resilience has emerged as an important consideration in the planning and management of water infrastructure systems. Accordingly, various resilience measures have been developed for the quantitative evaluation an...
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Jie Yu, Le Xu, Xiang Xie, Dibo Hou, Pingjie Huang, Guangxin Zhang and Hongjian Zhang
As a core part of protecting water quality safety in water distribution systems, contamination event detection requires high accuracy. Previously, temporal analysis-based methods for single sensor stations have shown limited performance as they fail to c...
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Qiang Yu, Qun?ou Jiang, Di Yang, Depeng Yue, Huan Ma, Yuan Huang, Qibin Zhang and Minzhe Fang
It is of great practical significance to construct a water-based ecological network in arid and semi-arid areas. The spatial distribution of water resources is one of the most important factors in determining the ecological stability of such areas. In th...
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Ilker T. Telci and Mustafa M. Aral
Micro hydropower generators (micro turbines), are used to recover excess energy from hydraulic systems and these applications have important potential in renewable energy production. One of the most viable environments for the use of micro turbines is th...
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Christogonus U. Onukwube, Daniel O. Aikhuele and Shahryar Sorooshian
Water distribution networks are complex systems that aid in the delivery of water to residential and non-residential areas. However, the networks can be affected by different types of faults, which could lead to the wastage of treated water. As such, the...
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Chuyu Xiong, Jiaying Wang, Wei Gao, Xianda Huang and Tao Tao
Assessing the risk of water leakage within urban water distribution networks (UWDN) is crucial prior to implementing any control measures. Conducting a risk assessment facilitates the development of effective water leakage management plans. By comprehens...
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Enrico Ferrari, Damiano Verda, Nicolò Pinna and Marco Muselli
Optimizing water distribution both from an energy-saving perspective and from a quality of service perspective is a challenging task since it involves a complex system with many nodes, many hidden variables and many operational constraints. For this reas...
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Federico Spizzo, Giovanni Venaruzzo, Matteo Nicolini and Daniele Goi
Water Distribution Network Partitioning (WDNP), which is the partitioning of the existing Water distribution Network (WDN) into smaller and more homogeneous portions called District Metered Areas (DMAs), is an effective strategy that allows water utiliti...
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Noha Abdel-Mottaleb, Payman Ghasemi Saghand, Mathews J. Wakhungu, Hadi Charkhgard, E. Christian Wells and Qiong Zhang
Isolation valves are critical for the reliable functioning of water distribution networks (WDNs). However, it is challenging for utilities to prioritize valve rehabilitation and replacement given it is often unclear if certain valves are operable in a gi...
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Stefania Fontanella, Oreste Fecarotta, Bruno Molino, Luca Cozzolino and Renata Della Morte
In recent years, the interest towards the use of pumps operating as turbines (PATs) for the generation of electrical energy has increased, due to the low cost of implementation and maintenance. The main issue that inhibits a wider use of PATs is the lack...
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Armando Di Nardo, Carlo Giudicianni, Roberto Greco, Manuel Herrera and Giovanni F. Santonastaso
Cities depend on multiple heterogeneous, interconnected infrastructures to provide safe water to consumers. Given this complexity, efficient numerical techniques are needed to support optimal control and management of a water distribution network (WDN). ...
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