Improving Water Age in Distribution Systems by Optimal Valve Operation
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Volume 147, Issue 8
Abstract
Valve control has been widely used for reducing pressure and leakage in water distribution systems. However, the optimized conditions often change the water flow paths and increase residence times, thus turning pressure control and water quality into conflicting objectives. The current paper aims at the development and discussion of a new methodology for the simultaneous optimization of water age and pressure in distribution systems by valve operation. The methodology is applied to a full-scale case study considering several optimization scenarios. Results show that significant improvements in both water age and pressure are achieved when these parameters are jointly optimized, whereas optimizing only pressure leads to a significant increase in water age. Additionally, the joint optimization of water age and pressure can be achieved without compromising pressure-required levels. The proposed methodology can be easily applied to any water distribution network, improving system performance with minor interventions in the networks.
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Data Availability Statement
All data, models, or code that support the findings of this study are available from the corresponding author upon reasonable request.
Acknowledgments
The authors acknowledge the water utility Infraquinta—Empresa de infraestruturas da Quinta do Lago, EM for providing the water network data. This research was funded by Fundação para a Ciência e a Tecnologia (PT), through Projects PTDC/ECI-EGC/32102/2017 and DSAIPA/DS/0089/2018, and by Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq-BR), through Grant No. 156213/20184.
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Information
Published In
Journal of Water Resources Planning and Management
Volume 147 • Issue 8 • August 2021
Copyright
© 2021 American Society of Civil Engineers.
History
Received: Nov 10, 2020
Accepted: Mar 2, 2021
Published online: May 21, 2021
Published in print: Aug 1, 2021
Discussion open until: Oct 21, 2021
ASCE Technical Topics:
- Case studies
- Continuum mechanics
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering mechanics
- Environmental engineering
- Equipment and machinery
- Infrastructure
- Methodology (by type)
- Models (by type)
- Optimization models
- Pipeline systems
- Pipes
- Pressure (type)
- Pressure distribution
- Pressure pipes
- Research methods (by type)
- Solid mechanics
- Valves
- Water and water resources
- Water leakage and water loss
- Water management
- Water pressure
- Water quality
- Water supply
- Water supply systems
- Water treatment
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