Abstract
In this paper, we propose a novel methodology for altering the area monitored by water quality sensors in water distribution systems (WDS) when there is suspicion of a contamination event. The proposed active contamination detection (ACD) scheme manipulates WDS actuators, i.e., by closing and opening valves or by changing the set-points at pressure controlled locations to drive flows from specific parts of the network in predetermined paths and enable the sensors to monitor the quality of water from previously unobserved locations. As a consequence, the monitoring coverage of the sensors is increased and some contamination events occurring within those areas can be detected. The objective is to minimize the contamination impact by detecting the contaminant as soon as possible, while also maintaining the hydraulic requirements of the system. Moreover, the methodology facilitates the isolation of the contamination propagation path and its possible source. We demonstrate the ACD scheme on two networks analyze the results and open the discussion for further work in this area.
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Data Availability Statement
The following data, models, or code generated or used during the study are available in a repository or online (https://doi.org/10.5281/zenodo.2566001).
Acknowledgments
This research is partially funded by the European Union Horizon 2020 program under Grant Agreement No. 739551 (KIOS CoE), by the Interreg V-A Greece-Cyprus 2014-2020 program, by the European Union (ERDF) and the National Funds of Greece and Cyprus under project SmartWater2020 (cofinanced), by the Cyprus Research Promotion foundation program Restart2010-2020 under Grant Agreement Enterprises/0916/0023 (WaterAnalytics), and supported by the United States - Binational Science Foundation (BSF) and the Technion Funds for Security research.
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Published In
Journal of Water Resources Planning and Management
Volume 146 • Issue 4 • April 2020
Copyright
©2020 American Society of Civil Engineers.
History
Received: Oct 31, 2018
Accepted: Aug 18, 2019
Published online: Feb 7, 2020
Published in print: Apr 1, 2020
Discussion open until: Jul 7, 2020
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