Transactions of the Korean Society of Mechanical Engineers B (대한기계학회논문집B)

The Korean Society of Mechanical Engineers (대한기계학회)
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Effective Performance Prediction of Axial Flow Compressors Using a Modified Stage-Stacking Method

단축적법의 개선에 의한 축류압축기의 효과적인 성능예측

  • 송태원 (서울대학교 대학원 기계공학부) ;
  • 김재환 (서울대학교 대학원 기계공학부) ;
  • 김동섭 (서울대학교 공과대학, 기계항공공학부) ;
  • 노승탁 (서울대학교 공과대학, 기계항공공학부)
  • Published : 2000.08.01
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Abstract

In this work, a modified stage-stacking method for the performance prediction of multi-stage axial flow compressors is proposed. The method is based on a simultaneous calculation of all interstage variables (temperature, pressure, flow velocity) instead of the conventional sequential stage-by-stage scheme. The method is also very useful in simulating the effect of changing angles of the inlet guide vane and stator vanes on the compressor operating characteristics. Generalized stage performance curves are used in presenting the performance characteristics of each stage. General assumptions enable determination of flow path data and stage design performance. Performance of various real compressors is predicted and comparison between prediction and field data validates the usefulness of the present method.

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References

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