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Expansion of High Efficiency Region of Wind Energy Centrifugal Pump Based on Factorial Experiment Design and Computational Fluid Dynamics

Author

Listed:
  • Wei Li

    (Research Center of Fluid Machinery Engineering and Technology, Jiangsu University, No.301, Xuefu Road, Jingkou District, Zhenjiang 212013, China)

  • Leilei Ji

    (Research Center of Fluid Machinery Engineering and Technology, Jiangsu University, No.301, Xuefu Road, Jingkou District, Zhenjiang 212013, China)

  • Weidong Shi

    (College of Mechanical Engineering, Nantong University, No.9 Se Yuan Road, Chongchuan District, Nantong 226019, China)

  • Ling Zhou

    (Research Center of Fluid Machinery Engineering and Technology, Jiangsu University, No.301, Xuefu Road, Jingkou District, Zhenjiang 212013, China)

  • Hao Chang

    (Research Center of Fluid Machinery Engineering and Technology, Jiangsu University, No.301, Xuefu Road, Jingkou District, Zhenjiang 212013, China)

  • Ramesh K. Agarwal

    (Department of Mechanical Engineering & Materials Science, Washington University in St. Louis, St. Louis, MO 63130, USA)

Abstract

The wind energy pump system is a new green energy technology. The wide high efficiency region of pump is of great significance for energy conservation of wind power pumping system. In this study, factorial experiment design (FED) and computational fluid dynamics (CFD) are employed to optimize the hydraulic design of wind energy centrifugal pump (WECP). The blade outlet width b 2 , blade outlet angle β 2 , and blade wrap angle ψ are chosen as factors of FED. The effect of the factors on the efficiency under the conditions of 0.6 Q des , 0.8 Q des , 1.0 Q des , and 1.4 Q des is systematically analyzed. The matching feature of various volute tongue angle with the optimized impeller is also investigated numerically and experimentally. After the optimization, the pump head changes smoothly during full range of flow condition and the high efficiency region is effectively improved. The weighted average efficiency of four conditions increases by 2.55%, which broadens the high efficiency region of WECP globally. Besides, the highest efficiency point moves towards the large flow conditions. The research results provide references for expanding the efficient operation region of WECP.

Suggested Citation

  • Wei Li & Leilei Ji & Weidong Shi & Ling Zhou & Hao Chang & Ramesh K. Agarwal, 2020. "Expansion of High Efficiency Region of Wind Energy Centrifugal Pump Based on Factorial Experiment Design and Computational Fluid Dynamics," Energies, MDPI, vol. 13(2), pages 1-24, January.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:2:p:483-:d:310487
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    Citations

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    Cited by:

    1. Li, Wei & Ji, Leilei & Li, Enda & Shi, Weidong & Agarwal, Ramesh & Zhou, Ling, 2021. "Numerical investigation of energy loss mechanism of mixed-flow pump under stall condition," Renewable Energy, Elsevier, vol. 167(C), pages 740-760.
    2. Dorin Bordeașu & Octavian Proștean & Cornel Hatiegan, 2021. "Contributions to Modeling, Simulation and Controlling of a Pumping System Powered by a Wind Energy Conversion System," Energies, MDPI, vol. 14(22), pages 1-18, November.
    3. Ji, Leilei & Li, Wei & Shi, Weidong & Chang, Hao & Yang, Zhenyu, 2020. "Energy characteristics of mixed-flow pump under different tip clearances based on entropy production analysis," Energy, Elsevier, vol. 199(C).

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