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Hydraulic Transients in Viscoelastic Pipeline System with Sudden Cross-Section Changes

Author

Listed:
  • Michał Kubrak

    (Faculty of Building Services, Hydro and Environmental Engineering, Warsaw University of Technology, 00-653 Warsaw, Poland)

  • Agnieszka Malesińska

    (Faculty of Building Services, Hydro and Environmental Engineering, Warsaw University of Technology, 00-653 Warsaw, Poland)

  • Apoloniusz Kodura

    (Faculty of Building Services, Hydro and Environmental Engineering, Warsaw University of Technology, 00-653 Warsaw, Poland)

  • Kamil Urbanowicz

    (Department of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology, 70-310 Szczecin, Poland)

  • Michał Stosiak

    (Department of Hydraulic Machines and Systems, Wroclaw University of Technology, 50-371 Wrocław, Poland)

Abstract

It is well known that the water hammer phenomenon can lead to pipeline system failures. For this reason, there is an increased need for simulation of hydraulic transients. High-density polyethylene (HDPE) pipes are commonly used in various pressurised pipeline systems. Most studies have only focused on water hammer events in a single pipe. However, typical fluid distribution networks are composed of serially connected pipes with various inner diameters. The present paper aims to investigate the influence of sudden cross-section changes in an HDPE pipeline system on pressure oscillations during the water hammer phenomenon. Numerical and experimental studies have been conducted. In order to include the viscoelastic behaviour of the HDPE pipe wall, the generalised Kelvin–Voigt model was introduced into the continuity equation. Transient equations were numerically solved using the explicit MacCormack method. A numerical model that involves assigning two values of flow velocity to the connection node was used. The aim of the conducted experiments was to record pressure changes downstream of the pipeline system during valve-induced water hammer. In order to validate the numerical model, the simulation results were compared with experimental data. A satisfactory compliance between the results of the numerical calculations and laboratory data was obtained.

Suggested Citation

  • Michał Kubrak & Agnieszka Malesińska & Apoloniusz Kodura & Kamil Urbanowicz & Michał Stosiak, 2021. "Hydraulic Transients in Viscoelastic Pipeline System with Sudden Cross-Section Changes," Energies, MDPI, vol. 14(14), pages 1-12, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:14:p:4071-:d:589276
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    References listed on IDEAS

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    1. Wuyi Wan & Boran Zhang & Xiaoyi Chen & Jijian Lian, 2019. "Water Hammer Control Analysis of an Intelligent Surge Tank with Spring Self-Adaptive Auxiliary Control System," Energies, MDPI, vol. 12(13), pages 1-19, July.
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    Cited by:

    1. Artur S. Bartosik, 2022. "Numerical Heat Transfer and Fluid Flow: A Review of Contributions to the Special Issue," Energies, MDPI, vol. 15(8), pages 1-8, April.

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