Special Issue "Sustainable Water and Energy Use"

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

Deadline for manuscript submissions: closed (1 October 2022) | Viewed by 1769

Special Issue Editor

Prof. Dr. Sajjad Ahmad
E-Mail Website
Guest Editor
Department of Civil and Environmental Engineering and Construction, University of Nevada, Las Vegas, Box 454015, 4505 S. Maryland Parkway, Las Vegas, NV 89154-4015, USA
Interests: water–energy nexus; hydroinformations; stormwater management; flood modeling and management; system dynamics

Special Issue Information

Dear Colleagues,

The treatment and delivery of drinking water, collection, treatment and disposal of wastewater, and collection and disposal of stormwater in urban areas are all energy-intensive processes. Depending on the fuel mix, this energy use results in carbon emissions. For sustainability, there is a need to efficiently use and reuse water, and reduce energy use and the related carbon footprint in the urban water cycle. This may take many forms, including but not limited to, using renewable energy for water production and treatment, energy recovery in the water system, efficient use and reuse of water, and smart technologies to reduce water use and, as a result, imbeded energy.

Prof. Dr. Sajjad Ahmad
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 2200 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.


  • energy use for drinking water treatment
  • energy use for wastewater treatment
  • energy use for water distribution
  • water use for energy production
  • cooling water requirements
  • renewable energy
  • sustainability
  • water–energy nexus
  • urban water management
  • water reuse
  • energy recovery

Published Papers (1 paper)

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Sustainable Economic Solution to Prevent the Wasted Cold Water in the Start of Shower Time Using Low Cost In-Line Electrical Heater with MISO Fuzzy Logic Controller
Water 2021, 13(11), 1552; https://doi.org/10.3390/w13111552 - 31 May 2021
Cited by 1 | Viewed by 972
This paper discusses domestic problem of waiting hot water for the shower use till it reaches satisfactory temperature, which result a lot of wastage in fresh water. The outcome from research survey shows that there is no satisfactory solution till now as all [...] Read more.
This paper discusses domestic problem of waiting hot water for the shower use till it reaches satisfactory temperature, which result a lot of wastage in fresh water. The outcome from research survey shows that there is no satisfactory solution till now as all solutions were either expensive or with no effective results. Local small inline electric heater equipped with fuzzy logic controller is proposed in this paper to be installed just before the showerhead to measure the water temperature and flow before the showerhead, as control input-variables, and decide the operating voltage of the heater, as control output-variable. Matlab Simulink is used to model the proposed system. Different test cases are simulated to prove the performance and the safe operation of the system. Techno-economic study is carried out to determine the “Direct Benefits” and “Indirect Benefits” that can be achieved if such system is implemented in wide range. Azerbaijan data is taken as an example to calculate the economic benefits. The results show important benefits not only for economy, that can increase fresh water sales opportunity to 545,088,171.52 $, but also for climate and the reduction of greenhouse gas emission. Different economic indices are provided to be an easy reference for decision makers and project managers. Full article
(This article belongs to the Special Issue Sustainable Water and Energy Use)
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