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Journal of Thermal Science

, Volume 14, Issue 4, pp 289–297 | Cite as

Unsteady rotor-stator interaction in high speed compressor and turbine stages

  • I. Trébinjac
  • D. Charbonnier
  • F. Leboeuf
Article

Abstract

The blade row interaction can alter the time-mean flow and therefore be of interest for aerodynamic design analysis. Whereas results within low subsonic turbomachines are quite numerous in the literature, there have been far fewer works which give results of blade row interaction within high speed cases. Two cases are related in this paper. First, the effects of an incoming wake on the rotor flow field of a transonic compressor are analyzed. The blade row interaction proved to be positive regarding the total pressure ratio, but negative regarding the losses. The second case concerns a transonic turbine. Particular emphasis is placed on the assessment of the deterministic correlations included in the Averaged Passage Equation System.

Keywords

unsteady aerodynamics rotor stator interaction deterministic stress 

CLC number

TK471 

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Copyright information

© Science Press 2005

Authors and Affiliations

  • I. Trébinjac
    • 1
  • D. Charbonnier
    • 1
  • F. Leboeuf
    • 1
  1. 1.Ecole Centrale de LyonLaboratoire de Mécanique des Fluides et d’ Acoustique, UMR CNRS 5509Ecully CedexFrance

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