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Wavepackets and trapped acoustic modes in a turbulent jet: coherent structure eduction and global st...

Wavepackets and trapped acoustic modes in a turbulent jet: coherent structure eduction and global st...

https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_hal_primary_oai_HAL_hal_02348883v1

Wavepackets and trapped acoustic modes in a turbulent jet: coherent structure eduction and global stability

About this item

Full title

Wavepackets and trapped acoustic modes in a turbulent jet: coherent structure eduction and global stability

Publisher

Cambridge, UK: Cambridge University Press

Journal title

Journal of fluid mechanics, 2017-08, Vol.825, p.1153-1181

Language

English

Formats

Publication information

Publisher

Cambridge, UK: Cambridge University Press

More information

Scope and Contents

Contents

Coherent features of a turbulent Mach 0.9, Reynolds number
$10^{6}$
jet are educed from a high-fidelity large eddy simulation. Besides the well-known Kelvin–Helmholtz instabilities of the shear layer, a new class of trapped acoustic waves is identified in the potential core. A global linear stability analysis based on the turbulent mean flow...

Alternative Titles

Full title

Wavepackets and trapped acoustic modes in a turbulent jet: coherent structure eduction and global stability

Identifiers

Primary Identifiers

Record Identifier

TN_cdi_hal_primary_oai_HAL_hal_02348883v1

Permalink

https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_hal_primary_oai_HAL_hal_02348883v1

Other Identifiers

ISSN

0022-1120

E-ISSN

1469-7645

DOI

10.1017/jfm.2017.407

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