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Study of a Compressed Air Vessel for Controlling the Pressure Surge in Water Networks: CFD and Experimental Analysis

Author

Listed:
  • Mohsen Besharat

    (University of Tabriz
    University of Lisbon)

  • Reza Tarinejad

    (University of Tabriz)

  • Mohammad Taghi Aalami

    (University of Tabriz)

  • Helena M. Ramos

    (University of Lisbon)

Abstract

Air chambers show good ability in controlling the pressure surge from a water hammer (WH) phenomenon. To simulate an air chamber and study the behavior of air inside it, a compressed air vessel (CAV) is considered in a pressurized system. The current work consists of experimental tests and one-dimensional (1D) and two-dimensional (2D) computational fluid dynamics (CFD) simulations for an air pocket within a CAV in the case of rapid pressurization and the occurrence of WH in a pressurized system. The pressure variations create vorticity and turbulence with oscillating behaviors, but the available 1D models are unable to simulate those phenomena adequately. Therefore, by using the measured data, proper CFD analysis is conducted considering the effect of the wall, y + , mesh size, turbulence, and the wall treatment method to better understand the behavior of the system. Results of the CFD simulation show that realizable k-ε turbulence model, when coupled with the enhanced wall treatment (EWT) method, works adequately for modeling the pressure oscillation. The volume of fluid (VOF) model and the piecewise linear interface calculation (PLIC) method have presented good ability in the prediction of the air-water interface.

Suggested Citation

  • Mohsen Besharat & Reza Tarinejad & Mohammad Taghi Aalami & Helena M. Ramos, 2016. "Study of a Compressed Air Vessel for Controlling the Pressure Surge in Water Networks: CFD and Experimental Analysis," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 30(8), pages 2687-2702, June.
    • Handle: RePEc:spr:waterr:v:30:y:2016:i:8:d:10.1007_s11269-016-1310-1
    DOI: 10.1007/s11269-016-1310-1
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    Citations

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    Cited by:

    1. Tingyu Xu & Sheng Chen & Jian Zhang & Xiaodong Yu & Jiawen Lyu & Haibin Yan, 2023. "Comparison on Hydraulic Characteristics of Vertical and Horizontal Air-Cushion Surge Chambers in the Hydropower Station under Load Disturbances," Energies, MDPI, vol. 16(3), pages 1-15, February.
    2. Chunlei Liu & Qun Zheng & Qi Wang & Aqiang Lin & Yuting Jiang & Mingcong Luo, 2019. "Sensitivity Analysis of Multistage Compressor Characteristics Under the Spray Atomization Effect Using a CFD Model," Energies, MDPI, vol. 12(2), pages 1-30, January.
    3. Sanghyun Kim & Dooyong Choi, 2022. "Dimensionless Impedance Method for General Design of Surge Tank in Simple Pipeline Systems," Energies, MDPI, vol. 15(10), pages 1-13, May.
    4. Duban A. Paternina-Verona & Oscar E. Coronado-Hernández & Hector G. Espinoza-Román & Mohsen Besharat & Vicente S. Fuertes-Miquel & Helena M. Ramos, 2022. "Three-Dimensional Analysis of Air-Admission Orifices in Pipelines during Hydraulic Drainage Events," Sustainability, MDPI, vol. 14(21), pages 1-14, November.
    5. Ma, Weichao & Yan, Wenjie & Yang, Jiebin & He, Xianghui & Yang, Jiandong & Yang, Weijia, 2022. "Experimental and numerical investigation on head losses of a complex throttled surge tank for refined hydropower plant simulation," Renewable Energy, Elsevier, vol. 186(C), pages 264-279.

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