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Aeroacoustics of wall-bounded turbulent flows

Aeroacoustics of wall-bounded turbulent flows
Aeroacoustics of wall-bounded turbulent flows
Direct numerical simulations of turbulent plane Poiseuille and Couette flow are used to study fluctuating wall pressure and shear stress. For both flows the wave-number–frequency spectra are found to be nonzero in the limit of zero wave number, which has significant implications for theoretical work. Peaks in the spectra are consistent with convective phenomena, and typical convection speeds are derived for both cases. The sensitivity of the results to Reynolds number and numerical parameters is discussed.
0001-1452
465-473
Hu, Z.W.
dd985844-1e6b-44ba-9e1d-fa57c6c88d65
Morfey, C.L.
d5f9a8d0-7d8a-4915-a522-bf49dee111f2
Sandham, N.D.
0024d8cd-c788-4811-a470-57934fbdcf97
Hu, Z.W.
dd985844-1e6b-44ba-9e1d-fa57c6c88d65
Morfey, C.L.
d5f9a8d0-7d8a-4915-a522-bf49dee111f2
Sandham, N.D.
0024d8cd-c788-4811-a470-57934fbdcf97

Hu, Z.W., Morfey, C.L. and Sandham, N.D. (2002) Aeroacoustics of wall-bounded turbulent flows. AIAA Journal, 40 (3), 465-473.

Record type: Article

Abstract

Direct numerical simulations of turbulent plane Poiseuille and Couette flow are used to study fluctuating wall pressure and shear stress. For both flows the wave-number–frequency spectra are found to be nonzero in the limit of zero wave number, which has significant implications for theoretical work. Peaks in the spectra are consistent with convective phenomena, and typical convection speeds are derived for both cases. The sensitivity of the results to Reynolds number and numerical parameters is discussed.

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Published date: 2002

Identifiers

Local EPrints ID: 22165
URI: http://eprints.soton.ac.uk/id/eprint/22165
ISSN: 0001-1452
PURE UUID: bc8dda28-8622-466e-8abe-222c8277042d
ORCID for N.D. Sandham: ORCID iD orcid.org/0000-0002-5107-0944

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Date deposited: 21 Mar 2006
Last modified: 20 Jul 2019 01:10

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