Transient Based Risk Analysis Of Water Distribution Systems
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Transient Based Risk Analysis Of Water Distribution Systems
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Author : Steven William Hoagland
language : en
Publisher:
Release Date : 2016
Transient Based Risk Analysis Of Water Distribution Systems written by Steven William Hoagland and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Online Monitoring Framework For Pressure Transient Detection In Water Distribution Networks
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Author : Nina Feng
language : en
Publisher:
Release Date : 2019
Online Monitoring Framework For Pressure Transient Detection In Water Distribution Networks written by Nina Feng and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
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.
Susceptibility Of Distribution Systems To Negative Pressure Transients
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Author : Kala K. Fleming
language : en
Publisher: American Water Works Association
Release Date : 2006
Susceptibility Of Distribution Systems To Negative Pressure Transients written by Kala K. Fleming and has been published by American Water Works Association this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Water categories.
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.
Water Transmission And Distribution
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Author : American Water Works Association
language : en
Publisher: American Water Works Association
Release Date : 2003
Water Transmission And Distribution written by American Water Works Association and has been published by American Water Works Association this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Technology & Engineering categories.
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].
Water Supply System Analysis
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Author : Avi Ostfeld
language : en
Publisher: BoD – Books on Demand
Release Date : 2012-12-12
Water Supply System Analysis written by Avi Ostfeld and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-12 with Technology & Engineering categories.
A water supply system is an interconnected collection of sources, pipes, and hydraulic control elements delivering consumers prescribed water quantities at desired pressures and water qualities. This book incorporates selected topics on theory, revision, and practical application models for water supply systems analysis, including: guidelines for transient analysis, sustainable management of regional water supply systems, infrastructure asset management, optimal pump scheduling, demand uncertainty, errors in water meter measuring, and indicators for water mains rehabilitation.
Drinking Water Distribution Systems
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2007-01-22
Drinking Water Distribution Systems written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-01-22 with Science categories.
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.
Transient Analysis Of Water Distribution Systems
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Author : Bryan William Karney
language : en
Publisher:
Release Date : 1989
Transient Analysis Of Water Distribution Systems written by Bryan William Karney and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with categories.
Water Safety Plan Manual
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Author : World Health Organization
language : en
Publisher: World Health Organization
Release Date : 2023-02-16
Water Safety Plan Manual written by World Health Organization and has been published by World Health Organization this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-02-16 with Technology & Engineering categories.
Security Of Water Supply Systems
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Author : Jaroslav Pollert
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-01-27
Security Of Water Supply Systems written by Jaroslav Pollert and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-01-27 with Business & Economics categories.
Proceedings of the NATO Advanced Research Workshop on Security of Water Supply Systems: From Source to Tap, held in Murter, Croatia, 27-31 May 2005
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Author :
language : en
Publisher: World Scientific
Release Date :
written by and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.