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The Occurence And Causes Of Pressure Transients In Distribution Networks
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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 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 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 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
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 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 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 Pathogen Intrusion Into the Distribution System by : Gregory J. Kirmeyer
Download or read book Pathogen Intrusion Into the Distribution System written by Gregory J. Kirmeyer and published by American Water Works Association. This book was released on 2001 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reports on a project that identifies pathogen routes of entry into water distribution systems and develops monitoring and control strategies for protecting the system. Contains chapters on pathogens and pathways, existing control strategies, transient surge modeling, pressure monitoring, field monitoring, recommended control strategies, and recommendations to utilities. The project was completed by a multi-disciplinary team of engineers and practitioners with funding from the American Water Works Association Research Foundation and the Environmental Protection Agency. The book is not indexed. Annotation c. Book News, Inc., Portland, OR (booknews.com)
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 Verification and Control of Pressure Transients and Intrusion in Distribution Systems by : American Water Works Association. Research Foundation
Download or read book Verification and Control of Pressure Transients and Intrusion in Distribution Systems written by American Water Works Association. Research Foundation and published by . This book was released on 2004 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 Susceptibility of Potable Water Distribution Systems to Negative Pressure Transients by : Kala K. Fleming
Download or read book Susceptibility of Potable Water Distribution Systems to Negative Pressure Transients written by Kala K. Fleming and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of Distribution System Water Quality Optimization Plans by : Melinda J. Friedman
Download or read book Development of Distribution System Water Quality Optimization Plans written by Melinda J. Friedman and published by American Water Works Association. This book was released on 2005 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: CD-ROM contains chapter 4 and appendices A & B.
Book Synopsis Encyclopedia of Environmental Health by :
Download or read book Encyclopedia of Environmental Health written by and published by Elsevier. This book was released on 2019-08-22 with total page 4896 pages. Available in PDF, EPUB and Kindle. Book excerpt: Encyclopedia of Environmental Health, Second Edition, Six Volume Set presents the newest release in this fundamental reference that updates and broadens the umbrella of environmental health, especially social and environmental health for its readers. There is ongoing revolution in governance, policies and intervention strategies aimed at evolving changes in health disparities, disease burden, trans-boundary transport and health hazards. This new edition reflects these realities, mapping new directions in the field that include how to minimize threats and develop new scientific paradigms that address emerging local, national and global environmental concerns. Represents a one-stop resource for scientifically reliable information on environmental health Fills a critical gap, with information on one of the most rapidly growing scientific fields of our time Provides comparative approaches to environmental health practice and research in different countries and regions of the world Covers issues behind specific questions and describes the best available scientific methods for environmental risk assessment
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 Securing Water and Wastewater Systems by : Robert M. Clark
Download or read book Securing Water and Wastewater Systems written by Robert M. Clark and published by Springer Science & Business Media. This book was released on 2013-10-04 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Urban water and wastewater systems have an inherent vulnerability to both manmade and natural threats and disasters including droughts, earthquakes and terrorist attacks. It is well established that natural disasters including major storms, such as hurricanes and flooding, can effect water supply security and integrity. Earthquakes and terrorist attacks have many characteristics in common because they are almost impossible to predict and can cause major devastation and confusion. Terrorism is also a major threat to water security and recent attention has turned to the potential that these attacks have for disrupting urban water supplies. There is a need to introduce the related concept of Integrated Water Resources Management which emphasizes linkages between land-use change and hydrological systems, between ecosystems and human health, and between political and scientific aspects of water management. An expanded water security agenda should include a conceptual focus on vulnerability, risk, and resilience; an emphasis on threats, shocks, and tipping points; and a related emphasis on adaptive management given limited predictability. Internationally, concerns about water have often taken a different focus and there is also a growing awareness, including in the US, that water security should include issues related to quantity, climate change, and biodiversity impacts, in addition to terrorism. This presents contributions from a group of internationally recognized experts that attempt to address the four areas listed above and includes suggestions as to how to deal with related problems. It also addresses the new and potentially growing issue of cyber attacks against water and waste water infrastructure including descriptions of actual attacks, making it of interest to scholars and policy-makers concerned with protecting the water supply.
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 2006-12-22 with total page 404 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.
