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Variable composition gas centrifugal compressor antisurge protection.

Author(s) : OLDRICH J.

Summary

This article deals with the thermodynamic design of a centrifugal compressor and with development of an antisurge protection algorithmfor this compressor. Surge is an unstable operation state which begins when the operating point of the compressor crosses the surge line. Surge line is the stability limit of the compressor performance map. Because surge limits for gases of variable composition are not the same, traditional methods cannot be used. The new method was developed to fit antisurge protection. A second goal is to display performance curves of the compressor and operating point for actual gas mixture and for actual operating parameters. This method is based on the mathematical model of the above-mentioned centrifugal compressor.

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Pages: 2004-3

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Details

  • Original title: Variable composition gas centrifugal compressor antisurge protection.
  • Record ID : 2006-1699
  • Languages: English
  • Source: Compressors 2004: 5th International Conference on Compressors and Coolants
  • Publication date: 2004/09/01

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