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Water
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Intermittent Water Supply
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Intermittent Water Supply

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

Deadline for manuscript submissions: closed (10 April 2022) | Viewed by 6009

Special Issue Editor

Dr. Marco Ferrante

E-Mail Website
Guest Editor
Department of Civil and Environmental Engineering, University of Perugia, Perugia, Italy
Interests: diagnosis; water distribution system; transients; leak; intermittent water supply
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Over a billion people worldwide receive drinking water intermittently, i.e., less than 24 hours a day or less than seven days a week. Water utilities adopt intermittent water supply (IWS) to reduce consumption due to water scarcity, even if the systems they manage are not designed to operate in such conditions. IWS has consequences on infrastructure integrity, customer distribution equity, water quality, and other relevant management issues involving technical, social, economic, and healthy aspects.

We are organizing a Special Issue on the intermittent supply of water distribution systems. This Special Issue aims to collect papers that deal with different problems arising in water distribution systems with intermittent water supply, such as water quality, modelling of system functioning conditions, distribution equity, effects of transients, and others. Potential topics include but are not limited to:

  • Effects of transients during filling and emptying;
  • Modeling of IWS;
  • Improvement of functioning conditions;
  • Distribution equity;
  • Effects of air on water meters;
  • Water quality management;
  • Case studies.

Prof. Dr. Marco Ferrante
Guest Editor

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

  • intermittent water supply
  • pipe filling and emptying
  • water meter accuracy
  • two-phase flow
  • transients
  • water distribution systems

Published Papers (2 papers)

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Research

16 pages, 12338 KiB  
Article
A Laboratory Set-Up for the Analysis of Intermittent Water Supply: First Results
by Marco Ferrante, Dewi Rogers, Francesco Casinini and Josses Mugabi
Water 2022, 14(6), 936; https://doi.org/10.3390/w14060936 - 17 Mar 2022
Cited by 6 | Viewed by 2000
Abstract
The evaluation of the impact of intermittent water supply on water distribution systems is a complex task. Laboratory tests, in controlled conditions with virtually no constraints on instrument and device location, allow the analysis of the effects of single parameters on pressures and [...] Read more.
The evaluation of the impact of intermittent water supply on water distribution systems is a complex task. Laboratory tests, in controlled conditions with virtually no constraints on instrument and device location, allow the analysis of the effects of single parameters on pressures and flows. Within the framework of a research consultancy commissioned by the World Bank, the test network at the Water Engineering Laboratory of the University of Perugia, Italy, was modified to analyse pipe filling and emptying phenomena. Herein we describe the characteristics of the set-up, the available instruments and data acquisition system, as well as the installed devices (e.g., air release and in- and off-line ball valves). The set-up was also designed to investigate the effects of the air flow on the overbilling of water meters. The results of a preliminary test allow the typical phases of the phenomenon to be analysed, including the filling of the pipe with water and the discharging of air, the arrival of the water front at the downstream end causing a pressure variation typical of water hammer, and the emptying process and the filling with air. The analysis allows the operational mechanism to be understood and remedial interventions designed and validated. Full article
(This article belongs to the Special Issue Intermittent Water Supply)
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32 pages, 6371 KiB  
Article
Mapping and Visualizing Global Knowledge on Intermittent Water Supply Systems
by Shaher Zyoud
Water 2022, 14(5), 738; https://doi.org/10.3390/w14050738 - 25 Feb 2022
Cited by 5 | Viewed by 3167
Abstract
Intermittent water supply systems (IWSSs) are prevalent in most developing countries and some developed ones. Their usage is driven by necessity rather than as a principal objective, mostly due to technical and economic deficiencies. Major health risks and socio-economic inequities are associated with [...] Read more.
Intermittent water supply systems (IWSSs) are prevalent in most developing countries and some developed ones. Their usage is driven by necessity rather than as a principal objective, mostly due to technical and economic deficiencies. Major health risks and socio-economic inequities are associated with such systems. Their impacts are aggravated by climate changes and the COVID-19 crisis. These are likely to have profound implications on progress toward advancing sustainable development goals (SDGs). Motivated by providing a comprehensive overview of global knowledge on IWSSs, the present work proposed to track and analyze research works on IWSSs utilizing bibliometric techniques and visual mapping tools. This includes investigating the trends and growth trajectories of research works on IWSSs and analyzing the various approaches proposed to expand our understanding with respect to the management, modeling, optimization, and impacts of IWSSs. The national and international contributions and collaboration figures are further analyzed at country, institution, author, and source levels. This analysis indicates that research works conducted on IWSSs have certain expectations in terms of productivity (total global productivity; 197 documents). The United States was the best country in terms of productivity (58 documents; 29.4%), while the Water Switzerland journal was the most productive journal (19 documents; 9.6%). The impacts of IWSSs on health and well-being have attracted considerable attention. The outcomes showed deep and justified worries in relation to the transition from intermittent to continuous supply, equity, and mitigating the health risks associated with IWSSs in the foreseen future. The utilization of artificial intelligence techniques and expert systems will drive and shape future IWSS-related research activities. Therefore, investments in this regard are crucial. Full article
(This article belongs to the Special Issue Intermittent Water Supply)
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