Radiated noise from airfoils in realistic mean flows

David P. Lockard, Philip John Morris

Research output: Contribution to journalArticle

90 Citations (Scopus)

Abstract

The long-term objective of research described is to use computational aeroacoustics methodology and parallel computers to increase the understanding of broadband blade noise. In a systematic progression toward simulations of comletely realistic configurations and conditions, some simplified problems that address the important features of the flow are investigated. A two dimensional Navier-Stokes code, implemented using the message passing library and Fortran 90 on the IBM SP2, is used to perform the calculations. Results are presented for the interaction of a vortical gust and NACA airfoils, including nonliner effects. The influence of gust frequency and airfoil thickness is described. A multigrid method is used to obtain converged steady-state solutions before the gust is introduced in a source region inside the domain.

Original languageEnglish (US)
Pages (from-to)907-914
Number of pages8
JournalAIAA Journal
Volume36
Issue number6
DOIs
StatePublished - Jan 1 1998

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Airfoils
Computational aeroacoustics
Message passing

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering

Cite this

Lockard, David P. ; Morris, Philip John. / Radiated noise from airfoils in realistic mean flows. In: AIAA Journal. 1998 ; Vol. 36, No. 6. pp. 907-914.
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Radiated noise from airfoils in realistic mean flows. / Lockard, David P.; Morris, Philip John.

In: AIAA Journal, Vol. 36, No. 6, 01.01.1998, p. 907-914.

Research output: Contribution to journalArticle

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