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Multi-Parameter Optimization Analysis of Hydrodynamic Performance for Rim-Driven Thruster

Author

Listed:
  • Yuanzhe Nie

    (School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan 430063, China)

  • Wu Ouyang

    (School of Transportation and Logistics Engineering, Wuhan University of Technology, Wuhan 430063, China
    Reliability Engineering Institute, National Engineering Research Center for Water Transport Safety, Wuhan 430063, China
    East Lake Laboratory, Wuhan 420202, China)

  • Zhuo Zhang

    (School of Transportation and Logistics Engineering, Wuhan University of Technology, Wuhan 430063, China)

  • Gaoqiang Li

    (School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan 430063, China)

  • Ruicong Zheng

    (School of Transportation and Logistics Engineering, Wuhan University of Technology, Wuhan 430063, China
    Guangzhou Haigong Marine Equipment Co., LTD., Guangzhou 510000, China)

Abstract

The efficiency of rim-driven thrusters (RDT) has always been the focus of attention in the context of energy conservation and environmental protection. A multi-parameter collaborative optimization framework is proposed to improve the efficiency of RDT based on the response surface method (RSM). The common structural parameters of RDT, including pitch ratio, disk ratio and rake angle, are selected as design variables to carry out the Box–Behnken experimental design combined with the simulation data obtained through CFD calculations. The response surface second-order model is employed to evaluate the extent to which different parameters can affect the target variable and obtain the optimal hydraulic efficiency. The results show that the established model has high precision, good reproducibility and strong anti-interference ability. The influence of the pitch ratio, rake angle and disk ratio on open water efficiency decreases in sequence. Compared with the prototype RDT, the maximum efficiency of the optimized RDT is increased by 13.8%, and the surface pressure distribution and flow field characteristics are also significantly modified.

Suggested Citation

  • Yuanzhe Nie & Wu Ouyang & Zhuo Zhang & Gaoqiang Li & Ruicong Zheng, 2023. "Multi-Parameter Optimization Analysis of Hydrodynamic Performance for Rim-Driven Thruster," Energies, MDPI, vol. 16(2), pages 1-20, January.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:2:p:891-:d:1033861
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