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  • Impeller-diffuser interaction in centrifugal compressors

    Chris Robinson, Michael Casey, Brad Hutchinson and Robin Steed

    • Impeller-diffuser interaction in centrifugal compressors
      A CFD-led study into impeller-diffuser interaction in a centrifugal compressor stage typical of a high pressure turbocharger. A reduction in spacing led to a predicted efficiency improvement but at higher risk of forced response excitation.