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Updated: Jul 6, 2025
09:04
A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump
Published on: June 1, 2022
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Simulation and analysis of hydraulic transition process based on mechanical hydraulics
1Department of Intelligent Manufacturing and Information Engineering, Fangchenggang Vocational and Technical College, Fangchenggang, China.
Plos One
|December 29, 2023
Summary
This study introduces a unidirectional pressure regulating tower to mitigate the water hammer effect in water supply pumps. The proposed mechanical hydraulic method significantly reduces peak pressures and enhances protection in water systems.
Area of Science:
- Mechanical Engineering
- Hydraulic Engineering
- Water Resource Management
Background:
- Increasing pressure on water supply projects due to water scarcity.
- Rising incidence of the water hammer effect in water supply pump systems.
Purpose of the Study:
- To propose and analyze a novel water hammer protection measure for water supply pumps.
- To optimize water hammer calculation methods and develop simulation software.
Main Methods:
- Application of a unidirectional pressure regulating tower based on mechanical hydraulic technology.
- Optimization of water hammer calculation and simulation software design.
- Simulation analysis of hydraulic transition processes.
Main Results:
- Optimal initial water level for the tower determined as 2m; optimal make-up water pipe diameter as 600 mm.
- Proposed measures reduced maximum water hammer pressure to 14.8m, lower than comparative methods.
- Expert ratings indicated an average protective effect of 9.4 points for the proposed measure.
Conclusions:
- The proposed unidirectional pressure regulating tower effectively reduces the water hammer effect in water supply engineering.
- Simulation analysis based on mechanical hydraulics validates the protective capabilities of the new measure.
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