Computational aeroacoustic analysis of slat trailing-edge flow

Bart A. Singer, David P. Lockard, Kenneth S. Brentner, Mehdi R. Khorrami, Mert E. Berkman, Meelan Choudhari

Research output: Contribution to conferencePaperpeer-review

21 Scopus citations

Abstract

An acoustic analysis based on the Ffowcs Williams and Hawkings equation was performed for a high-lift system. As input, the acoustic analysis used unsteady flow data obtained from a highly resolved, time-dependent, Reynolds-averaged Navier-Stokes calculation. The analysis strongly suggests that vortex shedding from the trailing edge of the slat results in a high-amplitude, high-frequency acoustic signal, similar to that which was observed in a corresponding experimental study of the high-lift system.

Original languageEnglish (US)
Pages13-23
Number of pages11
DOIs
StatePublished - 1999
EventAeroacoustics Conference and Exhibit, AIAA/CEAS 1999 - Bellevue, United States
Duration: May 10 1999May 12 1999

Other

OtherAeroacoustics Conference and Exhibit, AIAA/CEAS 1999
CountryUnited States
CityBellevue
Period5/10/995/12/99

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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