Transient Comprehensive Modelling Due to Pump Failure

Essaidi, Badreddine; Triki, Ali

doi:10.1007/978-3-030-76517-0_14

Applied Condition Monitoring

2021

DOI: 10.1007/978-3-030-76517-0_14

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Transient Comprehensive Modelling Due to Pump Failure

Badreddine Essaidi

Ali Triki

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Investigating the hydraulic resonance behaviour in pressurised in-series piping systems

Essaidi

Triki

2022

Proceedings of the Institution of Civil Engineers - Engineering

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This study outlines a methodology to inspect the resonant characteristics of in-series-pipes hydraulic systems. The numerical model is based on the impedance approach, assuming the sinusoidal fluctuations of flow-rate and pressure parameters, in conjunction with the Transfert Matrix concept, being implemented for automatic calculations within a complex piping systems framework. To verify the validity of the used numerical technique, the computed results were compared with a conventional numerical solution quoted in the literature. Applications address the free and forced vibration cases occurring into an in-series-pipes system. The free vibration case, is caused by an oscillating valve downstream with a constant level tank upstream; while the forced vibration case is caused by the closure of a turbine downstream. The obtained results show the reliability of the proposed numerical procedure to determine the natural frequencies of a complex in-series hydraulic system. However, this study unveils that the “equivalent pipe” concept is not accurate for analyzing the resonating behavior of a complex in-series pipe system.

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Investigating the hydraulic resonance behaviour in pressurised in-series piping systems

Essaidi

Triki

2022

Proceedings of the Institution of Civil Engineers - Engineering

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Transient Comprehensive Modelling Due to Pump Failure

Cited by 1 publication

References 16 publications

Investigating the hydraulic resonance behaviour in pressurised in-series piping systems

Investigating the hydraulic resonance behaviour in pressurised in-series piping systems

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