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Multiparameter and Multiobjective Optimization Design Based on Orthogonal Method for Mixed Flow Fan

Author

Listed:
  • Honggang Fan

    (State Key Laboratory of Hydroscience and Engineering, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, China)

  • Jinsong Zhang

    (State Key Laboratory of Hydroscience and Engineering, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, China)

  • Wei Zhang

    (State Key Laboratory of Hydroscience and Engineering, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, China)

  • Bing Liu

    (College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao 266590, China)

Abstract

Optimization design of an impeller is critical for the energy performance of a fan. This paper takes the promotion of fan efficiency and pressure rise as the optimization objectives to carry out multiparameter and multiobjective optimization research. Firstly, an experimental test bench is built to measure the energy performance of the original fan and verify the accuracy of the numerical method. Then, the hub outlet angle of impeller β 1 , the impeller outlet angle increment Δβ 1 , the wrap angle φ , the hub outlet angle of diffuser β 2 , and the diffuser outlet angle increment Δβ 2 are set as the optimal parameters to conduct orthogonal optimal design. The results show that the efficiency of the optimal fan increases by 11.71%, and the pressure rise increases by 50.15%. The pressure and velocity distributions in an optimal fan are uniform, the internal flow separation is weakened, and the influence of tip leakage flow is reduced, which makes for the improvement of energy performance for the fan.

Suggested Citation

  • Honggang Fan & Jinsong Zhang & Wei Zhang & Bing Liu, 2020. "Multiparameter and Multiobjective Optimization Design Based on Orthogonal Method for Mixed Flow Fan," Energies, MDPI, vol. 13(11), pages 1-15, June.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:11:p:2819-:d:366277
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    References listed on IDEAS

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    1. Han, Yadong & Tan, Lei, 2020. "Dynamic mode decomposition and reconstruction of tip leakage vortex in a mixed flow pump as turbine at pump mode," Renewable Energy, Elsevier, vol. 155(C), pages 725-734.
    2. Hao, Yue & Tan, Lei, 2018. "Symmetrical and unsymmetrical tip clearances on cavitation performance and radial force of a mixed flow pump as turbine at pump mode," Renewable Energy, Elsevier, vol. 127(C), pages 368-376.
    3. Liu, Yabin & Tan, Lei, 2018. "Tip clearance on pressure fluctuation intensity and vortex characteristic of a mixed flow pump as turbine at pump mode," Renewable Energy, Elsevier, vol. 129(PA), pages 606-615.
    4. Jinsong Zhang & Lei Tan, 2018. "Energy Performance and Pressure Fluctuation of a Multiphase Pump with Different Gas Volume Fractions," Energies, MDPI, vol. 11(5), pages 1-14, May.
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    Cited by:

    1. Zhenxing Dai & Lei Tan & Bingfu Han & Suyang Han, 2022. "Multi-Parameter Optimization Design of Axial-Flow Pump Based on Orthogonal Method," Energies, MDPI, vol. 15(24), pages 1-14, December.

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