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Pressure Transients In Water Distribution Networks
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Book Synopsis Susceptibility of Distribution Systems to Negative Pressure Transients by : Kala K. Fleming
Download or read book Susceptibility of Distribution Systems to Negative Pressure Transients written by Kala K. Fleming and published by American Water Works Association. This book was released on 2006 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Low or negative pressure transients (also called surge or water hammer) create temporary opportunities for external chemical and microbial contaminants at higher pressure to enter the water distribution system, creating potential health hazard and potential weakening of distribution pipes, leading to failure. This study investigates how such events as power outages, pump shutdowns, valve operations, main flushing, firefighting, and main breaks can create significant rapid, temporary drops in system pressure. The report offers useful recommendations for using surge models to optimally locate pressure monitors and to minimize the occurrence and impact from low- and negative-pressure transients.
Book Synopsis Pressure Transients in Water Distribution Networks by : Dagmara Starczewska
Download or read book Pressure Transients in Water Distribution Networks written by Dagmara Starczewska and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Control of Transients in Water Distribution Networks by : Jonas Perolini Castellsague
Download or read book Control of Transients in Water Distribution Networks written by Jonas Perolini Castellsague and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, the pressure control in water distribution networks are discussed. First, the importance of efficient pressure control in water distribution networks as well as different pressure control methods are introduced. Then the governing equations for WDNs and pressure reducing valves are derived. Second, an isolated pressure reducing valve is implemented in MATLAB/SIMULINK. Through simulations, the performance of various control algorithm are contrasted. Finally, the control problem of transients in water pressure reducing valves is addressed through a case study. First, a water distribution network model including the transient behavior is developed using MATLAB/SIMULINK for the considered case study. Then, the current case study control strategy is reproduced using a simulator and contrasted with a redesigned control scheme.
Book Synopsis Pressure Wave Analysis of Transient Flow in Pipe Distribution Systems by : Don J. Wood
Download or read book Pressure Wave Analysis of Transient Flow in Pipe Distribution Systems written by Don J. Wood and published by . This book was released on 2005 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Occurence and Causes of Pressure Transients in Distribution Networks by : Michael Hurley (Writer on water utilities)
Download or read book The Occurence and Causes of Pressure Transients in Distribution Networks written by Michael Hurley (Writer on water utilities) and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Verification and Control of Pressure Transients and Intrusion in Distribution Systems by : M. Friedman
Download or read book Verification and Control of Pressure Transients and Intrusion in Distribution Systems written by M. Friedman and published by International Water Assn. This book was released on 2005 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this project were to verify that
Author :American Water Works Association Publisher :American Water Works Association ISBN 13 :9781583212318 Total Pages :576 pages Book Rating :4.2/5 (123 download)
Book Synopsis Water Transmission and Distribution by : American Water Works Association
Download or read book Water Transmission and Distribution written by American Water Works Association and published by American Water Works Association. This book was released on 2003 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water distribution systems are made up of pipe, valves and pumps through which treated water is moved from the treament plant to homes, offices, industries, and other consumers. The types of materials and equipment used by each water system are usually governed by local conditions, past practices, and economics. Consequently, drinking water professionals must be knowledgeable about common types of equipment and operating methods that are available. Completely revised and updated, Water transmission and distribution includes information on the following: distribution system design and operation and maintenance ; piping materials ; valves, pumps, and water meters ; water main installation ; backfilling, main testing, and installation safety ; fire hyfrants ; water storage ; water services ; cross-connection control ; motors and engines ; instrumentation and control ; information management and public relations.--Cover page [4].
Book Synopsis Online Monitoring Framework for Pressure Transient Detection in Water Distribution Networks by : Nina Feng
Download or read book Online Monitoring Framework for Pressure Transient Detection in Water Distribution Networks written by Nina Feng and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Access to potable drinking water is a necessity and basic human right. Most North Americans obtain treated water through water distribution networks, an essential part of municipal infrastructure that is subject to decay and degradation. Amongst the factors influencing pipe failure are events that trigger abrupt pressure changes, or transients, which can cause pipe breakages in the short term, and general fatigue in the long term. The ability to quantify these transients as they occur is important for effective asset management, and for preventing and mitigating the occurrence of failure. Current practices take a largely reactive approach to event detection, and few systems capable of real-time transient detection have ever been implemented. This research addresses the need for an online monitoring framework aimed towards understanding pressure transient effects and behaviour. The proposed system uses an Internet of Things approach, combining pressure sensors with Raspberry Pi computers, as well as open-source tools that transmit and display the data. The data analysis combines computationally inexpensive methods in order to achieve an accurate decision-making tool for both transient detection and abnormal transient risk identification. The techniques used include different filtering and detrending methods, feature extraction for dimensionality reduction, three-sigma statistical process control, and classification using voting methods. The process also includes a second process, based on statistical process control and trained using transient data identified in the original process, in order to assign a risk for a transient to cause damage, as well as identify transients that are particularly severe. Data was collected from a unique laboratory water distribution network as well as a field installation in Guelph, Ontario. The results showed that the framework achieves real-time transient identification with reasonable detection and error rates. Further analysis illustrated the effect of factors such as transient source location, active flow in the pipes, and transient type, on transient propagation and detection. The performance of the framework proves the concept of IoT-based systems for pressure monitoring and event detection in municipal water infrastructure.
Book Synopsis Drinking Water Distribution Systems by : National Research Council
Download or read book Drinking Water Distribution Systems written by National Research Council and published by National Academies Press. This book was released on 2007-01-22 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: Protecting and maintaining water distributions systems is crucial to ensuring high quality drinking water. Distribution systems-consisting of pipes, pumps, valves, storage tanks, reservoirs, meters, fittings, and other hydraulic appurtenances-carry drinking water from a centralized treatment plant or well supplies to consumers' taps. Spanning almost 1 million miles in the United States, distribution systems represent the vast majority of physical infrastructure for water supplies, and thus constitute the primary management challenge from both an operational and public health standpoint. Recent data on waterborne disease outbreaks suggest that distribution systems remain a source of contamination that has yet to be fully addressed. This report evaluates approaches for risk characterization and recent data, and it identifies a variety of strategies that could be considered to reduce the risks posed by water-quality deteriorating events in distribution systems. Particular attention is given to backflow events via cross connections, the potential for contamination of the distribution system during construction and repair activities, maintenance of storage facilities, and the role of premise plumbing in public health risk. The report also identifies advances in detection, monitoring and modeling, analytical methods, and research and development opportunities that will enable the water supply industry to further reduce risks associated with drinking water distribution systems.
Book Synopsis Locating Sources of Pressure Transients in Water Distribution Systems by : William J. Hampson
Download or read book Locating Sources of Pressure Transients in Water Distribution Systems written by William J. Hampson and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Locating Sources of Pressure Transients in Water Distribution Systems by : William Hampson
Download or read book Locating Sources of Pressure Transients in Water Distribution Systems written by William Hampson and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pressure Transients in Water Engineering by : John Ellis
Download or read book Pressure Transients in Water Engineering written by John Ellis and published by Thomas Telford Limited. This book was released on 2008-03-27 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examining a range of case studies involving different types of systems and the types of surge suppression equipment which may be suited to each, this practical book provides an indepth analysis of actual systems, with emphasis on the type of hydraulic transient behaviour to be expected in each kind of configuration.
Book Synopsis Guidelines to Hydraulic Transient Analysis of Pumping Systems by : Stanislav Pejović
Download or read book Guidelines to Hydraulic Transient Analysis of Pumping Systems written by Stanislav Pejović and published by . This book was released on 1992 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis World Environmental and Water Resources Congress 2021 by : Lily A. Baldwin
Download or read book World Environmental and Water Resources Congress 2021 written by Lily A. Baldwin and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the World Environmental and Water Resources Congress 2021, held virtually June 7-11, 2021. Sponsored by the Environmental and Water Resources Institute of ASCE.This collection contains 104 peer-reviewed papers that discuss the latest innovative research, case studies, and best management practices in water resources and the environment with a focus on fresh water sources.Topics include: drinking water; groundwater; wastewater; stormwater; irrigation and drainage infrastructure; waterways; sustainability and smart water; and security and systems analysis.This proceedings will be of interest to engineers and scientists addressing challenges to drinking water and freshwater resources around the world.
Book Synopsis Modeling and Optimization of Transients in Water Distribution Networks with Intermittent Supply by : Anna Marie Lieb
Download or read book Modeling and Optimization of Transients in Water Distribution Networks with Intermittent Supply written by Anna Marie Lieb and published by . This book was released on 2016 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: Much of the world's rapidly growing urban population relies upon water distribution systems to provide treated water through networks of pipes. Rather than continuously supplying water to users, many of these distribution systems operate intermittently, with parts of the network frequently losing pressure or emptying altogether. Such intermittent water supply deleteriously impacts water availability, infrastructure, and water quality for hundreds of millions of people around the world. In this work I introduce the problem of intermittent water supply through the lens of applied mathematics. I first introduce a simple descriptive mathematical model that captures some hydraulic features of intermittency not accounted for by existing water distribution system software packages. I then consider the potential uses of such a model in a variety of optimization examples motivated by real-world applications. In simple test networks, I show how to reduce pressure gradients while the network fills by changing either the inflow patterns or the elevation profile. I also show test examples of using measured data to potentially recover unknown information such as initial conditions or boundary outflows. I then use sensitivity analysis to better understand how various parameters control model output, with an eye to figuring out which parameters are worth measuring most carefully in field applications, and also which parameters may be useful in an optimization setting. I lastly demonstrate some progress in descriptively modeling a real network, both through the introduced mathematical model and through a fluid-mechanics-based method for identifying data where the model is most useful.
Book Synopsis Advances in Water Distribution Networks by : Giuseppe Pezzinga
Download or read book Advances in Water Distribution Networks written by Giuseppe Pezzinga and published by MDPI. This book was released on 2019-02-28 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Special Issue on Advances in Water Distribution Networks (WDNs) explores four important topics of research in the framework of WDNs, namely simulation and optimization modelling, topology and partitioning, water quality, and service effectiveness. With regard to the first topic, the following aspects are addressed: pressure-driven formulations, algorithms for the optimal location of control valves to minimize leakage, the benefits of water discharge prediction for the remote real time control of valves, and transients generated by pumps operating as turbines. In the context of the second topic, a topological taxonomy of WDNs is presented, and partitioning methods for the creation of district metered areas are compared. In relation to the third topic, the vulnerability to trihalomethane is assessed, and a statistical optimization model to minimize heavy metal releases is presented. Finally, the fourth topic focusses on the estimation of non-revenue water, including leakage and unauthorized consumption, and on the assessment of service under intermittent supply conditions.
Book Synopsis Hydraulics of Pipeline Systems by : Bruce E. Larock
Download or read book Hydraulics of Pipeline Systems written by Bruce E. Larock and published by CRC Press. This book was released on 1999-09-28 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first of its kind, this modern, comprehensive text covers both analysis and design of piping systems. The authors begin with a review of basic hydraulic principles, with emphasis on their use in pumped pipelines, manifolds, and the analysis and design of large pipe networks. After the reader obtains an understanding of how these principles are implemented in computer solutions for steady state problems, the focus then turns to unsteady hydraulics. These are covered at three levels:
