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Water Hammer Protection Measures and Calculation Analysis of Reservoir Water Pipelines
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Journal Article
Water Hammer Protection Measures and Calculation Analysis of Reservoir Water Pipelines
2023
Overview
In fluid mechanics, the large pressure fluctuation caused by the rapid change of fluid flow in a closed pipeline is called water hammer. It has huge destructive power for pressurized water pipelines, which often lead to pipeline leakage or even burst. In this paper, through the analysis of the dynamic characteristics of the gas in the pressurized water pipeline, the necessity of setting the air valve is drawn. Then based on the Bentley HAMMER model, combined with the example of the reservoir water pipeline engineering, the water hammer analysis was carried out. Compared with the maximum pressure head before and after adding the air valve, it is reduced from 126.89 m to 62.11 m, a decrease of about 50%. At the same time, the negative pressure in the pipeline under transient conditions is also eliminated. The results show that the air valve used in the pressure water pipeline has a good effect on the prevention of water hammer.
Publisher
IOP Publishing
