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Application of the hybrid RANS/LES method on the hydraulic dynamic performance of centrifugal pumps

  • Zheng-chuan Zhang (张正川)
  • Hong-xun Chen (陈红勋)Email author
  • Zheng Ma (马峥)
  • Qun Wei (魏群)
  • Jian-wu He (何建武)
  • Hui Liu (刘会)
  • Chao Liu (刘超)
Article
  • 11 Downloads

Abstract

The nonlinear hybrid RANS/LES method has been developed considering the simulation efficiency and accuracy to simulate the hydraulic dynamic characteristics of the centrifugal pump. It has been proved that the nonlinear hybrid RANS/LES method could effectively capture the unsteady flow structure and pressure pulsation in 2D centrifugal pumps. To further investigate the hydraulic dynamic performance of a redesigned 3D-gap drainage centrifugal pump, the nonlinear hybrid RANS/LES method is employed. Both numerical simulation and experimental results show that the hydraulic performance and pressure pulsation characteristics of the 3D-gap drainage impeller centrifugal pump are significantly enhanced.

Key words

3D-gap drainage blades nonlinear hybrid RANS/LES method pressure pulsation 

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Copyright information

© China Ship Scientific Research Center 2018

Authors and Affiliations

  • Zheng-chuan Zhang (张正川)
    • 1
  • Hong-xun Chen (陈红勋)
    • 1
    Email author
  • Zheng Ma (马峥)
    • 2
  • Qun Wei (魏群)
    • 3
  • Jian-wu He (何建武)
    • 1
  • Hui Liu (刘会)
    • 4
  • Chao Liu (刘超)
    • 1
  1. 1.Shanghai Institute of Applied Mathematics and MechanicsShanghai UniversityShanghaiChina
  2. 2.Chinese Ship Scientific Research CenterShanghaiChina
  3. 3.Nanchang UniversityNanchangChina
  4. 4.Shanghai Marine Equipment Research InstituteShanghaiChina

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