Proceedings of the Korean Society of Propulsion Engineers Conference (한국추진공학회:학술대회논문집)

  • 2008.03a
  • /
  • Pages.751-755
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  • 2008
  • /
  • 1975-342X(pISSN)
The Korean Society of Propulsion Engineers (한국추진공학회)
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Numerical Simulation on Startup Transient Performance of a Centrifugal Pump

  • Chen, Gang (Department of Thermal Engineering, Tsinghua University) ;
  • Shao, Jie (Department of Thermal Engineering, Tsinghua University) ;
  • Wu, Yulin (Department of Thermal Engineering, Tsinghua University) ;
  • Liu, Shuhong (Department of Thermal Engineering, Tsinghua University) ;
  • Cao, Guangjun (Department of Thermal Engineering, Tsinghua University)
  • Published : 2008.03.30
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Abstract

During the rapid startup transient of a centrifugal pump, in order to investigate its transient characteristics, the torque equations are deduced. Based on these equations, numerical simulation is carried out with the Large Eddy Simulation(LES) method and UDFs(User Defined Functions) are applied during the simulation. Comparison between simulation and experiment results of pump heads and rotational speed shows that they are in good agreement, indicating that the dynamic characteristics of this pump can be predicted accurate comparatively through simulation with LES method during its startup process.

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