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Aeroacoustic Model Testing of the Vaned Intake of a Centrifugal Compressor

[+] Author Affiliations
G. Manfrida, D. Fiaschi

Università degli Studi di Firenze, Firenze, Italy

M. Giachi

GE Power Systems, Firenze, Italy

Paper No. IMECE2002-33404, pp. 951-956; 6 pages
  • ASME 2002 International Mechanical Engineering Congress and Exposition
  • 5th International Symposium on Fluid Structure Interaction, Aeroelasticity, and Flow Induced Vibration and Noise
  • New Orleans, Louisiana, USA, November 17–22, 2002
  • Conference Sponsors: Applied Mechanics Division
  • ISBN: 0-7918-3659-2 | eISBN: 0-7918-1691-5, 0-7918-1692-3, 0-7918-1693-1
  • Copyright © 2002 by ASME


A model of the vaned intake of a centrifugal compressor was instrumented and tested for the investigation of aero-acoustic excitation modes for specific flow conditions, in order to check the possibility of damage to the Inlet Guide Vanes (IGV). The tests demonstrate that several acoustic modes occur for such complex geometries, and that their frequencies and amplitudes should be verified in order to avoid the excitation of forced vibration of the blades.

Copyright © 2002 by ASME
Topics: Compressors , Testing



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