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Multi-Disciplinary Optimization Design of Axial-Flow Pump Impellers Based on the Approximation Model

Author

Listed:
  • Lijian Shi

    (College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou 225000, China)

  • Jun Zhu

    (College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou 225000, China)

  • Fangping Tang

    (College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou 225000, China)

  • Chuan Wang

    (College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou 225000, China)

Abstract

This study adopts a multi-disciplinary optimization design method based on an approximation model to improve the comprehensive performance of axial-flow pump impellers and fully consider the interaction and mutual influences of the hydraulic and structural designs. The lightweight research on axial-flow pump impellers takes the blade mass and efficiency of the design condition as the objective functions and the head, efficiency, maximum stress value, and maximum deformation value under small flow condition as constraints. In the optimization process, the head of the design condition remains unchanged or varies in a small range. Results show that the mass of a single blade was reduced from 0.947 to 0.848 kg, reaching a decrease of 10.47%, and the efficiency of the design condition increased from 93.91% to 94.49%, with an increase rate of 0.61%. Accordingly, the optimization effect was evident. In addition, the error between the approximate model results and calculation results of each response was within 0.5%, except for the maximum stress value. This outcome shows that the accuracy of the approximate model was high, and the analysis result is reliable. The results provide guidance for the optimal design of axial-flow pump impellers.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:4:p:779-:d:319121
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    References listed on IDEAS

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    Citations

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    Cited by:

    1. Hongliang Wang & Bing Long & Chuan Wang & Chen Han & Linjian Li, 2020. "Effects of the Impeller Blade with a Slot Structure on the Centrifugal Pump Performance," Energies, MDPI, vol. 13(7), pages 1-17, April.
    2. Hongliang Wang & Zhongdong Qian & Di Zhang & Tao Wang & Chuan Wang, 2020. "Numerical Study of the Normal Impinging Water Jet at Different Impinging Height, Based on Wray–Agarwal Turbulence Model," Energies, MDPI, vol. 13(7), pages 1-15, April.
    3. Wenpeng Zhang & Fangping Tang & Lijian Shi & Qiujin Hu & Ying Zhou, 2020. "Effects of an Inlet Vortex on the Performance of an Axial-Flow Pump," Energies, MDPI, vol. 13(11), pages 1-23, June.
    4. He, Y. & Tao, Y.B. & Zhao, C.Y. & Yu, X.K., 2022. "Structure parameter analysis and optimization of photovoltaic-phase change material-thermoelectric coupling system under space conditions," Renewable Energy, Elsevier, vol. 200(C), pages 320-333.
    5. Mu, Tong & Zhang, Rui & Xu, Hui & Zheng, Yuan & Fei, Zhaodan & Li, Jinghong, 2020. "Study on improvement of hydraulic performance and internal flow pattern of the axial flow pump by groove flow control technology," Renewable Energy, Elsevier, vol. 160(C), pages 756-769.
    6. Zhang, Di & Jiao, Weixuan & Cheng, Li & Xia, Chenzhi & Zhang, Bowen & Luo, Can & Wang, Chuan, 2021. "Experimental study on the evolution process of the roof-attached vortex of the closed sump," Renewable Energy, Elsevier, vol. 164(C), pages 1029-1038.
    7. 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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    9. 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.

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