Numerical Simulation of Pressure Transients in Water Supply Networks as Applicable to Critical Water Pipe Asset Management
Publication: Journal of Water Resources Planning and Management
Volume 142, Issue 6
Abstract
It is well known that internal water pressure, including pressure transients, in water supply networks is a major contributing factor in many pipe failures. Reliable prediction of pipe failures needs accurate information about critical contributing factors such as internal water pressure. This paper reports on a numerical study of transient pressure development following a pressure-monitoring program. Two large water supply network sections were considered, and pressure transient hydraulic models were developed using a relevant computer program. Extended-period simulations (EPSs) were conducted for each section to understand its steady-state operation during normal operation. The pressure transient models were validated using field pressure data, which were measured using high-speed pressure-monitoring equipment installed at selected locations in both network sections. A methodology is proposed to integrate the results of these simulations in a water utility asset management database to improve pipe failure prediction.
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Acknowledgments
This publication is an outcome of Advanced Condition Assessment and Pipe Failure Prediction Project funded by Sydney Water Corporation, Water Research Foundation (United States), Melbourne Water Corporation (WA), Water Industry Research Ltd. (United Kingdom), the South Australia Water Corporation, South East Water, Hunter Water Corporation, and City West Water. Research partners were Monash University (lead), University of Technology Sydney, and University of Newcastle. The authors appreciate the contribution of the water utility crew during the field work and the technical support provided by Dr. Don J. Wood.
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Published In
Journal of Water Resources Planning and Management
Volume 142 • Issue 6 • June 2016
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Jun 2, 2015
Accepted: Nov 9, 2015
Published online: Jan 13, 2016
Published in print: Jun 1, 2016
Discussion open until: Jun 13, 2016
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