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Numerical investigation and experiment on pressure pulsation characteristics in a full tubular pump

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Listed:
  • Shi, Lijian
  • Yuan, Yao
  • Jiao, Haifeng
  • Tang, Fangping
  • Cheng, Li
  • Yang, Fan
  • Jin, Yan
  • Zhu, Jun

Abstract

To study the difference in pressure pulsation characteristics between full tubular and axial-flow pumps, CFD (Computational Fluid Dynamics) was used to perform unsteady simulation calculation on full tubular and axial-flow pumps based on the RNG k-ε turbulence model. The accuracy and reliability of the CFD results were verified by the model test. Results show that the regulars of the inlet pressure pulsation characteristics between the tubular flow pump and the axial flow pump are different. The blade passing frequency is the main frequency of the pressure pulsation in the impeller inlet of the full tubular pump. The pressure pulsation amplitude is great when the monitor points are near the impeller. The pressure fluctuation at the impeller inlet of the full tubular pump is greater than that of the axial-flow pump due to the influence of clearance backflow under the small flow condition, while the pressure pulsation of the full tubular pump is less than that of the axial-flow pump under design and large flow conditions. The main frequency amplitude of the full tubular pump gradually decreases with the increase of the flow rate.

Suggested Citation

  • Shi, Lijian & Yuan, Yao & Jiao, Haifeng & Tang, Fangping & Cheng, Li & Yang, Fan & Jin, Yan & Zhu, Jun, 2021. "Numerical investigation and experiment on pressure pulsation characteristics in a full tubular pump," Renewable Energy, Elsevier, vol. 163(C), pages 987-1000.
    • Handle: RePEc:eee:renene:v:163:y:2021:i:c:p:987-1000
    DOI: 10.1016/j.renene.2020.09.003
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    References listed on IDEAS

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    1. Lijian Shi & Jun Zhu & Fangping Tang & Chuan Wang, 2020. "Multi-Disciplinary Optimization Design of Axial-Flow Pump Impellers Based on the Approximation Model," Energies, MDPI, vol. 13(4), pages 1-19, February.
    2. Fu, Xiaolong & Li, Deyou & Wang, Hongjie & Zhang, Guanghui & Li, Zhenggui & Wei, Xianzhu, 2020. "Numerical simulation of the transient flow in a pump-turbine during load rejection process with special emphasis on hydraulic acoustic effect," Renewable Energy, Elsevier, vol. 155(C), pages 1127-1138.
    3. Shi, Lijian & Zhang, Wenpeng & Jiao, Haifeng & Tang, Fangping & Wang, Li & Sun, Dandan & Shi, Wei, 2020. "Numerical simulation and experimental study on the comparison of the hydraulic characteristics of an axial-flow pump and a full tubular pump," Renewable Energy, Elsevier, vol. 153(C), pages 1455-1464.
    4. Kan, Kan & Zheng, Yuan & Chen, Huixiang & Zhou, Daqing & Dai, Jing & Binama, Maxime & Yu, An, 2020. "Numerical simulation of transient flow in a shaft extension tubular pump unit during runaway process caused by power failure," Renewable Energy, Elsevier, vol. 154(C), pages 1153-1164.
    5. Wang, Chuan & Shi, Weidong & Wang, Xikun & Jiang, Xiaoping & Yang, Yang & Li, Wei & Zhou, Ling, 2017. "Optimal design of multistage centrifugal pump based on the combined energy loss model and computational fluid dynamics," Applied Energy, Elsevier, vol. 187(C), pages 10-26.
    6. Fan Yang & Chao Liu, 2014. "Pressure Pulsations of the Blade Region in S-Shaped Shaft-Extension Tubular Pumping System," Mathematical Problems in Engineering, Hindawi, vol. 2014, pages 1-10, July.
    7. Li, Deyou & Fu, Xiaolong & Zuo, Zhigang & Wang, Hongjie & Li, Zhenggui & Liu, Shuhong & Wei, Xianzhu, 2019. "Investigation methods for analysis of transient phenomena concerning design and operation of hydraulic-machine systems—A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 101(C), pages 26-46.
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    Cited by:

    1. Kan Kan & Qingying Zhang & Yuan Zheng & Hui Xu & Zhe Xu & Jianwei Zhai & Alexis Muhirwa, 2022. "Investigation into Influence of Wall Roughness on the Hydraulic Characteristics of an Axial Flow Pump as Turbine," Sustainability, MDPI, vol. 14(14), pages 1-20, July.
    2. Pu, Kexin & Huang, Bin & Miao, Hongjiang & Shi, Peili & Wu, Dazhuan, 2022. "Quantitative analysis of energy loss and vibration performance in a circulating axial pump," Energy, Elsevier, vol. 243(C).
    3. Danyang Du & Yong Han & Yu Xiao & Lu Yang & Xuanwei Shi, 2022. "The Effects of Meridian Surface Shape on the Pressure Pulsation of a Multi-Stage Electric Submersible Pump," Sustainability, MDPI, vol. 14(22), pages 1-17, November.
    4. Lei Xu & Tao Jiang & Chuan Wang & Dongtao Ji & Wei Shi & Bo Xu & Weigang Lu, 2022. "Experiment and Numerical Simulation on Hydraulic Loss and Flow Pattern of Low Hump Outlet Conduit with Different Inlet Water Rotation Speeds," Energies, MDPI, vol. 15(15), pages 1-21, July.
    5. Lijian Shi & Jun Zhu & Li Wang & Shiji Chu & Fangping Tang & Yan Jin, 2021. "Comparative Analysis of Strength and Modal Characteristics of a Full Tubular Pump and an Axial Flow Pump Impellers Based on Fluid-Structure Interaction," Energies, MDPI, vol. 14(19), pages 1-18, October.

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