Surge Analysis of Air Vessel with Different Connection Types in Pressurized Water Delivery Systems
Publication: Journal of Hydraulic Engineering
Volume 150, Issue 1
Abstract
Air vessels have been commonly applied to prevent water hammer related to pump operations, but their connection types and effects have rarely been discussed. In this study, surge analysis of air vessels with three different connection types was conducted using the perturbation method. The coefficients of impedance and friction were introduced to the influence of the type of connection on the transient conditions in the vessel and the pipe. A mathematical model of the double-connecting pipe air vessel (DCP-AV) was established based on the method of characteristics (MOC). The hydraulic transient simulation of a practical water delivery project was then conducted to verify the accuracy of the analysis. The results showed that the theoretical analysis, Runge-Kutta method, and numerical simulation were in good agreement. Additionally, the DCP-AV combined with a one-way valve was found to considerably reduce the maximum water level in the vessel, and reduce the maximum pressure of the pipeline.
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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
This study was supported by National Natural Science Foundation of China (Grant Nos. 52179062 and 51879087), and China Scholarship Council (CSC), File No. 202106710111.
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Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 150 • Issue 1 • January 2024
Copyright
© 2023 American Society of Civil Engineers.
History
Received: Sep 6, 2022
Accepted: Aug 13, 2023
Published online: Oct 18, 2023
Published in print: Jan 1, 2024
Discussion open until: Mar 18, 2024
ASCE Technical Topics:
- Coasts, oceans, ports, and waterways engineering
- Continuum mechanics
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering mechanics
- Flow (fluid dynamics)
- Fluid dynamics
- Fluid mechanics
- Hydraulic transients
- Hydrologic engineering
- Infrastructure
- Models (by type)
- Numerical models
- Pipeline hydraulics
- Pipeline management
- Pipeline systems
- Pipelines
- Pipes
- Ships
- Solid mechanics
- Transient response
- Water and water resources
- Water hammer
- Water management
- Water pipelines
- Water storage
- Water supply
- Water supply systems
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