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Article

Investigation on Water Hammer Control of Centrifugal Pumps in Water Supply Pipeline Systems

Department of Hydraulic Engineering, College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China
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Author to whom correspondence should be addressed.
Energies 2019, 12(1), 108; https://doi.org/10.3390/en12010108
Submission received: 28 November 2018 / Revised: 19 December 2018 / Accepted: 29 December 2018 / Published: 29 December 2018
(This article belongs to the Special Issue Fluid Flow and Heat Transfer)

Abstract

Water hammer control in water supply pipeline systems is significant for protecting pipelines from damage. The goal of this research is to investigate the effects of pumps moment of inertia design on pipeline water hammer control. Based on the method of characteristics (MOC), a numerical model is established and plenty of simulations are conducted. Through numerical analysis, it is found that increasing the pumps moment of inertia has positive effects both on water hammer control as well as preventing pumps rapid runaway speed. Considering the extra cost of space, starting energy, and materials, an evaluation methodology of efficiency on the increasing moment of inertia is proposed. It can be regarded as a reference for engineers to design the moment of inertia of pumps in water supply pipeline systems. Combined with the optimized operations of the valve behind the pumps, the pipeline systems can be better protected from accident events.
Keywords: transient analysis; pumps; moment of inertia; water hammer; pipe flow transient analysis; pumps; moment of inertia; water hammer; pipe flow

Share and Cite

MDPI and ACS Style

Wan, W.; Zhang, B.; Chen, X. Investigation on Water Hammer Control of Centrifugal Pumps in Water Supply Pipeline Systems. Energies 2019, 12, 108. https://doi.org/10.3390/en12010108

AMA Style

Wan W, Zhang B, Chen X. Investigation on Water Hammer Control of Centrifugal Pumps in Water Supply Pipeline Systems. Energies. 2019; 12(1):108. https://doi.org/10.3390/en12010108

Chicago/Turabian Style

Wan, Wuyi, Boran Zhang, and Xiaoyi Chen. 2019. "Investigation on Water Hammer Control of Centrifugal Pumps in Water Supply Pipeline Systems" Energies 12, no. 1: 108. https://doi.org/10.3390/en12010108

APA Style

Wan, W., Zhang, B., & Chen, X. (2019). Investigation on Water Hammer Control of Centrifugal Pumps in Water Supply Pipeline Systems. Energies, 12(1), 108. https://doi.org/10.3390/en12010108

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