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Numerical Analysis of Transient Flow in a Hydraulic Tree Network: Zarroug Aqueduct Network in Gafsa, Southern Tunisia

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Advances in Acoustics and Vibration III (ICAV 2021)

Part of the book series: Applied Condition Monitoring ((ACM,volume 17))

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Abstract

The numbers of long-distance transport pipelines constructed in areas with relatively complex terrain and large topographic changes have increased in recent years. Hydraulic transients are characterized by an abrupt change in the flow condition leading the pressure and the velocity of water to undergo rapid changes over time. Such transient events are likely to damage water distribution systems if not equipped with protection devices. The sudden variation in pressure propagates throughout the hydraulic system and it may result in the breakdown to the network pipelines. The aim of this paper is to numerically analyze the transient water flow in Zarroug aqueduct network. This network feeds the Tunisian Chemical Group in the city of Mdhila, Gafsa. After establishing the steady state conditions, the transient regime is studied using the method of characteristics. The numerical model is solved via a Matlab code and the temporal pressure evolution is followed up. The phenomenon of cavitations appears in a repetitive manner for which the pressure drop reaches very risky values that can collapse the pipe network. Through this modest work we want to study in our future works the entire network in order to protect it against degradations.

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Authors and Affiliations

  1. Laboratory of Applied Fluids Mechanics, Process and Environment Engineering, National Engineering School of Sfax, University of Sfax, Sfax, Tunisia

    Lazher Ayed & Zahreddine Hafsi

Authors
  1. Lazher Ayed
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  2. Zahreddine Hafsi
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Editor information

Editors and Affiliations

  1. Higher Institute of Applied Sciences and Technology, University of Sousse, Sousse, Tunisia

    Nabih Feki

  2. National School of Engineers of Sfax, Sfax, Tunisia

    Mohamed Slim Abbes

  3. Faculty of Sciences, University of Sfax, Tunisia, Tunisia

    Mohamed Taktak

  4. National School of Engineers, University of Sfax, Tunisia, Tunisia

    Mohamed Amine Ben Souf

  5. National School of Engineers, University of Sfax, Sfax, Tunisia

    Fakher Chaari

  6. National School of Engineers of Sfax, Sfax, Tunisia

    Mohamed Haddar

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Ayed, L., Hafsi, Z. (2021). Numerical Analysis of Transient Flow in a Hydraulic Tree Network: Zarroug Aqueduct Network in Gafsa, Southern Tunisia. In: Feki, N., Abbes, M.S., Taktak, M., Amine Ben Souf, M., Chaari, F., Haddar, M. (eds) Advances in Acoustics and Vibration III. ICAV 2021. Applied Condition Monitoring, vol 17. Springer, Cham. https://doi.org/10.1007/978-3-030-76517-0_29

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  • DOI: https://doi.org/10.1007/978-3-030-76517-0_29

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-76516-3

  • Online ISBN: 978-3-030-76517-0

  • eBook Packages: EngineeringEngineering (R0)

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