The unsteady flow downstream of a blade row with mean loading

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations


In this paper we consider the interaction between vortical gusts of reduced frequency k and a cascade of flat-plate blades at an angle of inclination 5 to the oncoming subsonic mean flow. In the asymptotic limit k ≫ 1 with kδ = O(1) it turns out that the unsteady flow can be described using matched asymptotic expansions, and in an earlier paper we have described how to use this method to determine the radiation field upstream of the cascade. In this paper we turn our attention to the field between the blades and downstream of the cascade; the theoretical framework and principal analytical expressions for the field are described here, while the results of a full parametric study will be presented at a later date.

Original languageEnglish (US)
Title of host publication3rd AIAA/CEAS Aeroacoustics Conference
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
Number of pages8
StatePublished - 1997
Event3rd AIAA/CEAS Aeroacoustics Conference, 1997 - Atlanta, United States
Duration: May 12 1997May 14 1997


Other3rd AIAA/CEAS Aeroacoustics Conference, 1997
CountryUnited States

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Aerospace Engineering

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    Peake, N., & Kerschen, E. J. (1997). The unsteady flow downstream of a blade row with mean loading. In 3rd AIAA/CEAS Aeroacoustics Conference (pp. 381-388). [AIAA-97-1632-CP] American Institute of Aeronautics and Astronautics Inc, AIAA.