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Transient Characteristic Analysis of Variable Frequency Speed Regulation of Axial Flow Pump

Author

Listed:
  • Zilei Zuo

    (School of Mechanical Engineering, Nantong University, Nantong 226019, China)

  • Linwei Tan

    (School of Mechanical Engineering, Nantong University, Nantong 226019, China)

  • Weidong Shi

    (School of Mechanical Engineering, Nantong University, Nantong 226019, China)

  • Cheng Chen

    (School of Mechanical Engineering, Nantong University, Nantong 226019, China)

  • Jincheng Ye

    (School of Mechanical Engineering, Nantong University, Nantong 226019, China)

  • Egbo Munachi Francis

    (School of Mechanical Engineering, Nantong University, Nantong 226019, China)

Abstract

In order to explore the influence of different rotational acceleration on the transient internal and external flow characteristics of the axial flow pump and improve the performance of the pump, numerical simulations and experiments were used to analyze the variable frequency speed regulation characteristics of the axial flow pump. Taking three-dimensional turbulent numerical simulation as the main research method and CFX as the calculation platform, three variable frequency speed regulation methods were used to conduct transient numerical simulation; keep the acceleration constant, increased and decreased; and obtain the real-time pump performance curve and pressure characteristic curve. Uniform acceleration and deceleration with constant acceleration maintained the stable change and good stability of head and shaft power, and the pressure change was the most stable in the process. The acceleration and deceleration with decreasing acceleration ran most smoothly at high speed, and the frequency conversion effect was the best. At the same time, the transition to steady-state operation was also the most stable. The research in this paper can provide reference for the stable operation of variable frequency speed regulation of the axial flow pump.

Suggested Citation

  • Zilei Zuo & Linwei Tan & Weidong Shi & Cheng Chen & Jincheng Ye & Egbo Munachi Francis, 2022. "Transient Characteristic Analysis of Variable Frequency Speed Regulation of Axial Flow Pump," Sustainability, MDPI, vol. 14(18), pages 1-18, September.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:18:p:11143-:d:907965
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    References listed on IDEAS

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    1. Luigi Cimorelli & Carmine Covelli & Bruno Molino & Domenico Pianese, 2020. "Optimal Regulation of Pumping Station in Water Distribution Networks Using Constant and Variable Speed Pumps: A Technical and Economical Comparison," Energies, MDPI, vol. 13(10), pages 1-15, May.
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    Cited by:

    1. Zhong Li & Lei Ding & Weifeng Gong & Dan Ni & Cunzhi Ma & Yanna Sun, 2023. "Analysis of the Complex Three-Dimensional Flow Structure in the Circulation Pump of the Flow-Making System Based on Delayed Detached Eddy Simulation," Energies, MDPI, vol. 16(15), pages 1-21, July.
    2. 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.

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