Model-Based Leakage Detection for Large-Scale Water Pipeline Networks
Publication: Pipelines 2023
ABSTRACT
A significant amount of treated drinking water is lost through leakage in water distribution systems across the globe. Conventional leakage detection techniques are ad-hoc in nature and expensive for system-wide leakage detection and severity assessment. Advanced metering infrastructure (AMI) and cyber monitoring technologies enable the collection of valuable data that could reveal pipeline conditions. This paper presents a model-based technique that leverages AMI consumption data and pressure data from large-scale distribution networks to infer leakage presence and approximate severity. Pipe roughness, effective hydraulic diameters, and leak presence and severity are considered as the unknown dynamic parameters in this study based on a Monte Carlo engine in MATLAB. For inferring the leakage presence, pipe roughness and effective hydraulic diameters are considered as stochastic variables following a certain probabilistic distribution. A neural network model is developed to predict emitter coefficients as leakage surrogate measures for all the pipelines in the distribution system’s considered pressure zone based on consumption data derived from the AMI meters and pressure data derived from the entire distribution system. The approach is demonstrated on a large-scale (>1,000 pipelines) water distribution network to evaluate the computational challenges along with the potential solutions. This study could benefit water utilities that have already installed or plan to install AMI meters.
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REFERENCES
Jolly, M. D., Lothes, A. D., Sebastian Bryson, L., and Ormsbee, L. (2014). Research Database of Water Distribution System Models. Journal of Water Resources Planning and Management, 140(4), 410–416. https://doi.org/10.1061/(asce)wr.1943-5452.0000352.
Momeni, A., and Piratla, K. R. (2021a). A Proof-of-Concept Study for Hydraulic Model-Based Leakage Detection in Water Pipelines Using Pressure Monitoring Data. Frontiers in Water, 3. https://doi.org/10.3389/frwa.2021.648622.
Momeni, A., and Piratla, K. R. (2021b). Leveraging Hydraulic Cyber-Monitoring Data to Support Primitive Condition Assessment of Water Mains. Journal of Pipeline Systems Engineering and Practice, 12(4), 04021054. https://doi.org/10.1061/(asce)ps.1949-1204.0000596.
Momeni, A., Piratla, K. R., and Chalil Madathil, K. (2019). A Novel Computationally Efficient Asset Management Framework Based on Monitoring Data from Water Distribution Networks. The ASCE Construction Research Congress.
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Momeni, A., and Piratla, K. R. Prediction of Water Pipeline Condition Parameters Using Artificial Neural Networks. In Pipelines 2022 (pp. 21–29).
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Published online: Aug 10, 2023
ASCE Technical Topics:
- Drinking water treatment
- Environmental engineering
- Hydraulic engineering
- Hydraulic properties
- Hydraulic roughness
- Infrastructure
- Pipe leakage
- Pipe networks
- Pipeline management
- Pipeline systems
- Pipelines
- Pipes
- Pressure distribution
- Pressure pipes
- Water and water resources
- Water leakage and water loss
- Water management
- Water pipelines
- Water supply
- Water supply systems
- Water treatment
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