An analysis of shock noise components | Zendy

Christophe Bailly | Zendy; B. André | Zendy; Thomas Castelain | Zendy; C. A. Henry | Zendy; Guillaume Bodard | Zendy; M. Porta | Zendy

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An analysis of shock noise components

Author(s) -

Christophe Bailly,

B. André,

Thomas Castelain,

C. A. Henry,

Guillaume Bodard,

M. Porta

Publication year - 2014

Publication title -

hal (le centre pour la communication scientifique directe)

Language(s) - English

DOI - 10.12762/2014.al07-06

Subject(s) - supersonic speed , shock (circulatory) , noise (video) , acoustics , aeroacoustics , broadband , choked flow , physics , aerospace engineering , nozzle , shock wave , mechanics , computer science , engineering , optics , sound pressure , medicine , artificial intelligence , image (mathematics)

Screech and broadband shock-associated noise linked to the presence of a shockcell structure in supersonic jets are reviewed in this paper. Only underexpanded supersonic circular jets issued from a convergent nozzle are considered here. An overview of the flow and of these two noise components is presented, based on recent experimental and numerical work. Flight effects on broadband shock-associated noise are also introduced, within the framework of aeronautical applications.

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