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Direct Shape Optimization and Parametric Analysis of a Vertical Inline Pump via Multi-Objective Particle Swarm Optimization

Author

Listed:
  • Xingcheng Gan

    (National Research Center of Pumps, Jiangsu University, Zhenjiang 212013, China)

  • Wenjie Wang

    (National Research Center of Pumps, Jiangsu University, Zhenjiang 212013, China)

  • Ji Pei

    (National Research Center of Pumps, Jiangsu University, Zhenjiang 212013, China)

  • Shouqi Yuan

    (National Research Center of Pumps, Jiangsu University, Zhenjiang 212013, China)

  • Yajing Tang

    (National Research Center of Pumps, Jiangsu University, Zhenjiang 212013, China)

  • Majeed Koranteng Osman

    (National Research Center of Pumps, Jiangsu University, Zhenjiang 212013, China)

Abstract

The vertical inline pump is a single-suction single-stage centrifugal pump with a curved inlet pipe before the impeller, which usually causes a significant increase of hydraulic losses in the inline pump. Considering the matching relationship between the inlet pipe and impeller, a multi-objective direct optimization based on the MOPSO of the inlet pipe and impeller was carried out to broaden the efficient operating area of the vertical inline pump. Bezier curves were adopted to control the profiles of the inlet pipe and impeller and 39 coordinates of the control points and the blade number were selected as the optimization variables. The efficiencies of the inline pump at the part-load and nominal conditions were chosen as the objective functions, which were obtained by the automatic simulation program. A dramatic improvement in pump performance was found after optimization. In the set of Pareto solutions, the maximum increases of efficiency at part-load and nominal conditions were 8.06% and 7.33% respectively. It also reported that the inlet pipe with longer horizontal length and lower bend curvature could reduce the hydraulic losses of the inlet pipe and increase the pump performance.

Suggested Citation

  • Xingcheng Gan & Wenjie Wang & Ji Pei & Shouqi Yuan & Yajing Tang & Majeed Koranteng Osman, 2020. "Direct Shape Optimization and Parametric Analysis of a Vertical Inline Pump via Multi-Objective Particle Swarm Optimization," Energies, MDPI, vol. 13(2), pages 1-18, January.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:2:p:425-:d:309126
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    References listed on IDEAS

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    1. Gan, Xingcheng & Pavesi, Giorgio & Pei, Ji & Yuan, Shouqi & Wang, Wenjie & Yin, Tingyun, 2022. "Parametric investigation and energy efficiency optimization of the curved inlet pipe with induced vane of an inline pump," Energy, Elsevier, vol. 240(C).

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