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Multi-Parameter Optimization Design of Axial-Flow Pump Based on Orthogonal Method

Author

Listed:
  • Zhenxing Dai

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

  • Lei Tan

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

  • Bingfu Han

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

  • Suyang Han

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

Abstract

The axial-flow pump is a widely used piece of general machinery which consumes large amounts of energy. In this study, an axial-flow pump with the specific speed of 536 is firstly designed and experimentally measured; then, the orthogonal method is employed to conduct the energy performance optimization. Five optimization parameters, including hub control point, hub stagger angle, shroud stagger angle, camber angle and centroid position were set with four levels. Sixteen individual pumps were designed according to the orthogonal method; then, a numerical simulation was implemented to obtain the energy performance and flow pattern. Results showed that the shroud stagger angle has the maximum influence on the pump head and efficiency, and the hub stagger angle and camber angle are also very important. At a design point of flow rate 70 kg/s, the efficiency of the optimal pump is 86.29%, which improved by 2.05% in comparison with the baseline pump. The pressure gradient of the optimal pump from blade inlet to outlet becomes more fluent than that of baseline pump, and the low-velocity region of the optimal pump at the blade head shrinks, compared to that of the baseline pump.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:24:p:9379-:d:1000223
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    References listed on IDEAS

    as
    1. Yabin Liu & Lei Tan & Yue Hao & Yun Xu, 2017. "Energy Performance and Flow Patterns of a Mixed-Flow Pump with Different Tip Clearance Sizes," Energies, MDPI, vol. 10(2), pages 1-15, February.
    2. Ming Liu & Lei Tan & Shuliang Cao, 2018. "Design Method of Controllable Blade Angle and Orthogonal Optimization of Pressure Rise for a Multiphase Pump," Energies, MDPI, vol. 11(5), pages 1-20, April.
    3. 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.
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