Hydraulic Uniformity Index for Water Distribution Networks
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VIEW THE REPLYPublication: Journal of Water Resources Planning and Management
Volume 146, Issue 2
Abstract
Various reliability measures have been developed to evaluate design and operational aspects of water distribution system (WDS) performance. Conventional reliability indicators mainly focus on nodal supply conditions, such as nodal pressure and available discharge. Here, a new link-based reliability index is proposed that considers pipe head loss–distribution throughout a network. The proposed index, the hydraulic uniformity index (HUI), is approximated using the equivalent hydraulic gradient and intends to distribute the hydraulic gradient as uniformly as possible throughout the network by enlarging steep-gradient pipes and reducing the size of low-gradient pipes, while satisfying the design constraints. The HUI is intended to overcome the shortcomings of conventional node-based indices by synchronizing the evaluation components with the design elements for intuitive system evaluation. An applied study using the Hanoi benchmark network demonstrates that the proposed HUI can be used as an indicator to evaluate system design and operational reliability.
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Data Availability Statement
Some or all data, models, or code generated or used during the study are available from the corresponding author by request.
Acknowledgments
This work is supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (NRF-2016R1A2B4014273); and the EDISON (Education-research Integration through Simulation On the Net) Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT, and Future Planning (2017M3C 1A6075016).
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Published In
Journal of Water Resources Planning and Management
Volume 146 • Issue 2 • February 2020
Copyright
©2019 American Society of Civil Engineers.
History
Received: Dec 5, 2018
Accepted: Jun 27, 2019
Published online: Dec 12, 2019
Published in print: Feb 1, 2020
Discussion open until: May 12, 2020
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