Boundary-layer receptivity to freestream disturbances

William S. Saric, Helen L. Reed, Edward J. Kerschen

Research output: Contribution to journalArticle

337 Scopus citations

Abstract

The current understanding of boundary-layer receptivity to external acoustic and vortical disturbances is reviewed. Recent advances in theoretical modeling, numerical simulations, and experiments are discussed. It is shown that aspects of the theory have been validated and that the mechanisms by which freestream disturbances provide the initial conditions for unstable waves are better understood. Challenges remain, however, particularly with respect to freestream turbulence.

Original languageEnglish (US)
Pages (from-to)291-319
Number of pages29
JournalAnnual Review of Fluid Mechanics
Volume34
DOIs
StatePublished - 2002

Keywords

  • Sound
  • Stability
  • Transition
  • Turbulence

ASJC Scopus subject areas

  • Condensed Matter Physics

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