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Analytical modeling of the unsteady wave propagation in the vaneless space of a low speed centrifugal compressor.

Number: pap. 1414

Author(s) : LENG Y., FLEETER S.

Summary

An analytical model is developed to predict the propagation of unsteady pressure and vorticity waves in the vaneless space of a low speed centrifugal compressor. The flow is assumed to be an inviscid isentropic two-dimensional flow in the radial and circumferential directions at low Mach number. Results analyze the effects of the mean flow field and circumferential wavenumber on the propagating behavior of the unsteady pressure and vorticity waves. These unsteady waves are the links in the analysis of unsteady impeller diffuser vane interaction. The analytical solution provides a quick and physically insightful means of understanding unsteady impeller diffuser vane interactions.

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Pages: 9 p.

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Details

  • Original title: Analytical modeling of the unsteady wave propagation in the vaneless space of a low speed centrifugal compressor.
  • Record ID : 30014110
  • Languages: English
  • Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
  • Publication date: 2014/07/14

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