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Water
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Advances in Management of Urban Water Supply System
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Advances in Management of Urban Water Supply System

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Urban Water Management".

Deadline for manuscript submissions: closed (20 March 2024) | Viewed by 4670

Special Issue Editors

Dr. Husnain Haider

E-Mail Website1 Website2
Guest Editor
Department of Civil Engineering, College of Engineering, Qassim University, Buraydah 52571, Saudi Arabia
Interests: water supply systems; customer satisfaction; infrastructure asset management; water quality modeling; sustainability; life cycle thinking; risk management
Special Issues, Collections and Topics in MDPI journals
Dr. Haroon R. Mian

E-Mail Website
Guest Editor
Faculty of Applied Science, School of Engineering, The University of British Columbia, Okanagan Campus, 1137 Alumni Avenue, Kelowna, BC V1V 1V7, Canada
Interests: water quality management; sustainable water supplies; environmental risk analysis; life cycle thinking
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

An efficient and reliable urban water supply system provides consumers adequate, continuous, and safe drinking water. Various water supply system components, including source, transmission, treatment, and distribution, significantly differ depending on the area’s geographical and environmental settings. Conventional management practices, such as performance assessment using performance indicators, source-to-tap risk assessment, customer satisfaction evaluation, risk-based rehabilitation planning, water quality monitoring and assessment, water–energy nexus, and reliability and vulnerability analysis, help suppliers operate their systems efficiently and cost-effectively. Global climate change has introduced new water scarcity challenges, particularly in semi-arid and arid regions. Developing countries have always contended with limited water supply and mostly rely on intermittent supplies manifesting various water quality problems. The use of high chlorine levels for surface water sources may result in emerging disinfection byproducts. The Gulf countries provide high-cost desalinated water at low water rates supported by high governmental subsidies, which restricts suppliers from implementing aggressive asset management plans. Conventional management practices must be revisited to address the above-stated challenges with innovative solutions. For instance, the following are just some of the topics fit for inclusion in this Special Issue:

  • Customer-driven decision-making for improved reliability;
  • Water–energy nexus-based performance assessment of conveyance systems and distribution networks;
  • Application of artificial intelligence, big data, and machine learning for emerging pollutants controls and improvement of hydraulic performance;
  • Circular economy-based analysis of urban water systems.

Dr. Husnain Haider
Dr. Haroon R. Mian
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • water supply
  • water distribution system
  • water quality modeling
  • water infrastructure asset management
  • customer satisfaction
  • risk assessment

Published Papers (4 papers)

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Research

15 pages, 3073 KiB  
Article
Wise Choice of Showerhead Patterns: How to Save Energy during Showering While Maintaining Thermal Comfort
by Dadi Zhang, Kowk-Wai Mui and Ling-Tim Wong
Water 2024, 16(7), 928; https://doi.org/10.3390/w16070928 - 22 Mar 2024
Viewed by 738
Abstract
Heat transfer coefficients between shower water and human skin could significantly impact occupants’ thermal sensation and energy consumption during showering. A recent study found that heat transfer coefficients varied considerably among showerhead patterns. However, the specific effects of the showering heat transfer process [...] Read more.
Heat transfer coefficients between shower water and human skin could significantly impact occupants’ thermal sensation and energy consumption during showering. A recent study found that heat transfer coefficients varied considerably among showerhead patterns. However, the specific effects of the showering heat transfer process on the showerhead patterns have yet to be determined. Two experiments were conducted to quantify the spray patterns during showering, and the impacts of the patterns’ parameters on the heat transfer coefficient were examined using different statistical methods. Five showerheads with 18 spray patterns were tested in this study. The resistance factor, water supply pressure, and nozzle area ratio of these patterns were measured to qualify their shower performance. The results indicated that all the tested parameters significantly impacted the heat transfer coefficient in general, and using resistance factor and nozzle area ratio could accurately predict the heat transfer performance of the showerhead pattern. Additionally, this study demonstrated that changing to a showerhead with a higher heat transfer coefficient could save considerable energy while maintaining the same thermal sensation during showering. The influence of water spray patterns on the heat transfer coefficient could provide residents with scientific references when selecting showerheads in their bathrooms. Full article
(This article belongs to the Special Issue Advances in Management of Urban Water Supply System)
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18 pages, 4739 KiB  
Article
Numerical Investigation for Rehabilitation and Lining of a Problematic Canal
by Amir Ibrahim, Abdel Hamed M. Khater, Christina F. Gad and Elzahry Farouk M. Elzahry
Water 2023, 15(18), 3288; https://doi.org/10.3390/w15183288 - 18 Sep 2023
Viewed by 848
Abstract
Canal lining and rehabilitation aim to distribute water, reduce losses, and ensure that water reaches the ends of the canals. Recognizing the need to improve the management of the irrigation system and maintain the width of strategic adjacent roads to canals, the Western [...] Read more.
Canal lining and rehabilitation aim to distribute water, reduce losses, and ensure that water reaches the ends of the canals. Recognizing the need to improve the management of the irrigation system and maintain the width of strategic adjacent roads to canals, the Western Meleg Canal in Menoufia Governorate, Egypt, was selected as a case study. A reach of 1500–3400 km faces problems that impede the implementation of the lining sector as a result of the proximity of the buildings that could not be removed on the canal banks. Two alternatives, including the contraction of the bed width or coverage of the reach from 1500 km to 3400 km on the Western Meleg Canal, were explored. A coupled one-two dimensional numerical model to replicate the water surface profile and flow velocity was implemented. The total cost of each alternative was approximately estimated. The results show that the contraction of the bed width along the considered reach has a limited effect on the levels and velocities of water along the canal, as water levels increased by 2 to 6 cm from the design levels before the contraction of the width of the bed, and the maximum velocity of the water was 0.72 m/s. In the case of covering the selected reach, the difference in water pressure through the coverage (1500:4000 km) was 74 cm, and the coverage works under free flow. The estimated cost of covering is more than four times the cost of plain concrete lining. The findings of this study may help decision-makers and could be implemented in other such canals. Full article
(This article belongs to the Special Issue Advances in Management of Urban Water Supply System)
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18 pages, 5582 KiB  
Article
Statistical Modeling of Water Shortage in Water Distribution Systems in Guangzhou
by Weiping Cheng, Huidan Luo, Zhihong Long, Gang Xu and Lin Tian
Water 2023, 15(18), 3257; https://doi.org/10.3390/w15183257 - 13 Sep 2023
Viewed by 1697
Abstract
In this study, data on water shortage events were collected from customer service systems. An analysis was conducted to establish the relationship between customers’ complaints and the water pressure flow conditions. A mathematical model was developed to estimate the probability of water shortage [...] Read more.
In this study, data on water shortage events were collected from customer service systems. An analysis was conducted to establish the relationship between customers’ complaints and the water pressure flow conditions. A mathematical model was developed to estimate the probability of water shortage events based on water head. The Sigmoid function is commonly used as an activation function in neural networks. The function of the model is the same as the Sigmoid function, and its critical parameters correspond to the service head requirements of water facilities. By considering the interaction between human emotions and artificial systems, this study provides novel insights into improving the operational control and construction of water distribution systems. Full article
(This article belongs to the Special Issue Advances in Management of Urban Water Supply System)
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13 pages, 3103 KiB  
Article
Optimal Segmentation Approach for Reducing Water Outage Damage Considering Urbanization in Water Distribution Systems
by Min Jun Kim and Young Hwan Choi
Water 2023, 15(15), 2780; https://doi.org/10.3390/w15152780 - 31 Jul 2023
Viewed by 666
Abstract
Damage due to abnormal conditions in water distribution systems is attributable to direct causes, such as facility deterioration, as well as indirect causes, including inadequate management, natural disasters, and negligence of a manager. Such damage can be prevented from being spread by closing [...] Read more.
Damage due to abnormal conditions in water distribution systems is attributable to direct causes, such as facility deterioration, as well as indirect causes, including inadequate management, natural disasters, and negligence of a manager. Such damage can be prevented from being spread by closing a shut-off valve to isolate the incident area, although additional damage may occur in the area isolated by the control valve due to water outage, thus requiring a structural solution. Therefore, this study proposed an optimal segment division technique that minimizes the damage due to water outage occurring in the isolated area by installing a shut-off valve at an appropriate location through an optimal valve location determination model designed based on various urban development scenarios. The proposed technique was applied to a benchmark network and J-city network in Korea for performance verification. This technique can be used to select the number of installable valves and find the optimal valve locations according to the urban development scenario. Full article
(This article belongs to the Special Issue Advances in Management of Urban Water Supply System)
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