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Design Optimization of a Centrifugal Compressor [Case Study]

Conceptual design of a centrifugal compressor R134a

  • Software: CFturbo, integrated into Ansys Workbench
  • One initial design + one manual design variation, “Design2”
  • Mathematical optimization using CFturbo/Ansys Workbench/Design Explorer
    • 8 geometry parameters, 141 different designs in total
    • All design points meet the performance requirements at selected rpm
  • Substantial stage efficiency improvement at design speed
    • Initial design: η=56%
    • Manual “Design2”: η= 59%
    • Optimized “Design107”: η= 73%
  • Total project time: 10 days
  • Next steps
    • Adjustments and fine-tuning, for example blade loading variation and volute parameters
    • 360° impeller model and transient simulations for final check of steady-state results

CFturbo Design Optimization of a Centrifugal Compressor [Case Study]

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