Energy Analysis for Transient-Leak Interaction and Implication to Leak Detection in Water Pipeline Systems
Publication: Journal of Hydraulic Engineering
Volume 149, Issue 9
Abstract
Any transient event in a pipeline system is an energy process, implying that the dynamic response can be interpreted and analyzed through energy transfer between different forms, including potential (internal), kinetic, and losses. This water hammer energy approach to investigating the impacts of leaks uncovers notable insights about transient-leak interaction in fluid-filled pipelines. In this paper, the energy exchanges in leaky conveyance pipeline systems, including elastic and viscoelastic pipes with various leak sizes and locations, are analyzed and compared with intact pipe cases, thus revealing the extent to which a leak can vary the transient internal and kinetic energy intensity. The results are supported by an extensive numerical analysis that describes transient energy in different cases and illustrates transient stability conditions from a new perspective. Finally, practical implications for developing transient-based leak detection methods are drawn specifically when data from multiple stations are available, and the limitations of this study are summarized in the end of the paper.
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Data Availability Statement
All data, models, or code generated or used during the study are available from the corresponding author by request.
Acknowledgments
This research work was partially supported by the Research Grants Council (RGC) of the Hong Kong University Grants Committee (UGC) under Project No. 15200719.
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Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 149 • Issue 9 • September 2023
Copyright
© 2023 American Society of Civil Engineers.
History
Received: May 13, 2022
Accepted: May 4, 2023
Published online: Jun 29, 2023
Published in print: Sep 1, 2023
Discussion open until: Nov 29, 2023
ASCE Technical Topics:
- Continuum mechanics
- Dynamics (solid mechanics)
- Energy engineering
- Energy loss
- Energy sources (by type)
- Engineering mechanics
- Flow (fluid dynamics)
- Fluid dynamics
- Fluid mechanics
- Hydro power
- Hydrologic engineering
- Infrastructure
- Pipe leakage
- Pipe sizes
- Pipeline management
- Pipeline systems
- Pipelines
- Pipes
- Renewable energy
- Solid mechanics
- Transient flow
- Transient response
- Water and water resources
- Water leakage and water loss
- Water management
- Water pipelines
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