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Water
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Feature Papers of Hydraulics and Hydrodynamics
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Feature Papers of Hydraulics and Hydrodynamics

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Hydraulics and Hydrodynamics".

Deadline for manuscript submissions: 10 June 2024 | Viewed by 2077

Special Issue Editor

Prof. Dr. Helena M. Ramos

E-Mail Website1 Website2
Guest Editor
Department of Civil Engineering, Architecture and Environment, CERIS, Instituto Superior Técnico, University of Lisbon, 1049-001 Lisbon, Portugal
Interests: hydropower; hydraulic transients; pumped-storage; water and energy nexus; hydrodynamic; renewables integration; water-energy efficiency
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Water systems (WS) transport water for hydropower production, drinking and irrigation water networks. Water systems are used in process industries and rivers from water sources, water treatment plants, reservoirs created by dams, tanks and retention ponds in sustainable urban drainage systems (SUDs) in order to satisfy all types of water–energy–food–environment nexus customers. Water conveyance solutions which transfer water for drinking, irrigation, waste, storms, rivers, energy production, storage and industries from an intake to final users can be carried out using integrated solutions to better suit the main efficiency purposes. These important infrastructures are becoming a dynamic environment, where advanced tools and algorithms, new technologies and the best practices should be integrated and implemented with the ambition to increase the systems’ reliability, the ability to adapt to climate change, the refurbishment of existing infrastructures with eco-design solutions and the best operations under safe and reliable conditions towards the greatest effectiveness, sustainability and management. Monitoring systems (MSs), control technologies (CTs), management strategies (MSs), water and energy savings (WESs), eco-innovative solutions (EISs), mathematic algorithms (MAs), computer modelling (CM) and decision support management systems (DSMSs) have to be upgraded in order to obtain technical, economic and environmental benefits both in terms of research, technology implementation and engineering applications.

Consequently, a sustainable water–energy–food–environment nexus (WEFEN) has increased in terms of its water and energy efficiency; interdependency between water, energy and food resources; as well as its relationship with technological development and management policies for food production and processing and environmental integration towards smart water grids (SWG), digital twins and new hybrid water–energy solutions. This is a new path for smart technology, resource management and sustainable water infrastructure developments in the near future to face climate and demanding challenges, as well as energy and digital transitions.

Prof. Dr. Helena M. Ramos
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

  • smart water–energy–food–environment management
  • smart water grids
  • water–energy–food–environment sectors sustainability
  • digital water
  • renewable solution
  • safety and control solutions
  • sustainable development goals
  • draughts and floods adaptation
  • smart water–energy–food solutions
  • new technologies
  • smart sensors
  • digital twin
  • energy transition
  • hidden hydropower
  • crop production
  • food processing
  • flood control
  • energy storage
  • renewables’ integration
  • flexible and sustainable networks
  • hydraulics and hydrodynamics analyses
  • security, scalability, and performance

Published Papers (2 papers)

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Research

12 pages, 1940 KiB  
Article
Transient Test-Based Techniques for Checking the Sealing of In-Line Shut-Off Valves and Capturing the Effect of Series Junctions—Field Tests in a Real Pipe System
by Caterina Capponi, Nuno M. C. Martins, Dídia I. C. Covas, Bruno Brunone and Silvia Meniconi
Water 2024, 16(1), 3; https://doi.org/10.3390/w16010003 - 19 Dec 2023
Cited by 2 | Viewed by 726
Abstract
In-line valves are devices typically used for isolation or flow regulation in pipe systems, playing a key role in the operational management of transmission mains (TM). However, there is no fast and expeditious procedure available for checking the efficacy of the sealing mechanism, [...] Read more.
In-line valves are devices typically used for isolation or flow regulation in pipe systems, playing a key role in the operational management of transmission mains (TM). However, there is no fast and expeditious procedure available for checking the efficacy of the sealing mechanism, and its ability to prevent leakage, unwanted flow or partial blockages, which is a crucial action for any maintenance operation. Due to the different values of the conveyed discharge, the diameter changes along the TM at a series junctions which therefore makes diameter changes a very common singularity. This paper has two aims. The first one is to evaluate the feasibility of Inverse Transient Analysis (ITA) for checking the sealing of in-line valves. In particular, the primary objective of the numerical model is to identify the distinctive features of the measured pressure signals that correspond to the status of an in-line valve, discerning whether it is fully sealed or partially closed. The second objective is to use Direct Analysis (DA) of the pressure signals to appropriately capture the transient response of the series junctions. To address these issues, safe transients have been generated in a real TM by means of a Portable Pressure Wave Maker (PPWM) device, refined at the Water Engineering Laboratory (WEL) of the University of Perugia, Italy. The results of the field tests and numerical model point out that the positive pressure wave reflected by the in-line valve is smaller than the one expected if it were perfectly sealed. Moreover, the transient response of the series junction has been properly captured by the DA of the pressure signal. Accordingly, the proposed procedures have been demonstrated to be suitable tools for the management of long transmission pipelines. Full article
(This article belongs to the Special Issue Feature Papers of Hydraulics and Hydrodynamics)
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17 pages, 4145 KiB  
Article
Numerical Study of Fluid–Solid Interaction in Elastic Sluice Based on SPH Method
by Jianwei Zhang, Bingpeng Wang, Qi Jiang, Ge Hou, Zhirui Li and Hongze Liu
Water 2023, 15(21), 3738; https://doi.org/10.3390/w15213738 - 26 Oct 2023
Cited by 1 | Viewed by 870
Abstract
In this paper, the fluid–solid interaction problem involving structural movement and deformation is considered, and an SPH (smoothed particle hydrodynamics) interaction method is proposed to establish a numerical fluid–solid model and to correct the particle velocities in the momentum conservation equations. It is [...] Read more.
In this paper, the fluid–solid interaction problem involving structural movement and deformation is considered, and an SPH (smoothed particle hydrodynamics) interaction method is proposed to establish a numerical fluid–solid model and to correct the particle velocities in the momentum conservation equations. It is found that, when the smoothing coefficient is equal to 0.93, the similarity of the free surface curves reaches up to 91.9%, and calculations are more accurate. Under the same working conditions, the classical model of elastic sluice discharge is established based on the SPH method and the finite element method, and the validity and accuracy of the model based on the SPH method are verified by analyzing the flow pattern of the sluice discharge, the opening of the elastic gate, and the change trend in the free liquid surface curve. On this basis, a number of characteristic points on the sluice gate are selected based on the SPH model to investigate the change rule of pressure at the fluid–solid interface, and the results are as follows: (1) based on the numerical model established by the SPH method, the flow pattern of the water, the opening of the elastic gate, and the change in the free liquid level curve are all in better agreement with the experimental results in the literature than those of the finite element method, and the computational results are also better; (2) the pressure of the solid on the fluid at each characteristic point is equal to the pressure of the fluid on the solid, which satisfies the principle of action–reaction and laterally verifies the nature of the dynamic boundary between the fluid and the solid, further verifying the validity of the program; and (3) in the process of sluice discharge, the elastic sluice presents a large force at both ends and a small force in the middle, meaning that the related research in this paper can act as a reference for flow–solid interaction problems related to sluice discharge. Full article
(This article belongs to the Special Issue Feature Papers of Hydraulics and Hydrodynamics)
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