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Shear layer response to overmodulated acoustic perturbations

Abstract:

Shear layers act as demodulators when subjected to amplitude modulated, acoustic perturbations. Recent work explained that the demodulation is a result of the hypothesized relationship between the excitation waveform and the vorticity signal of the large-scale structures, which was represented by a half-wave rectification model. In this paper, this model is explored by overmodulating the excitation signal amplitude. The rectifier model predicts several effects of overmodulation on the flow re...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1063/5.0130336

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Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Role:
Author
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Role:
Author
ORCID:
0000-0003-0873-8651
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Role:
Author
ORCID:
0000-0001-6699-5301
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Role:
Author
ORCID:
0000-0002-5509-7925
More by this author
Role:
Author
ORCID:
0000-0002-2837-7032
Publisher:
AIP Publishing
Journal:
Physics of Fluids More from this journal
Volume:
35
Issue:
1
Article number:
015113
Publication date:
2023-01-05
Acceptance date:
2022-12-12
DOI:
EISSN:
1089-7666
ISSN:
1070-6631
Language:
English
Keywords:
Pubs id:
1315036
Local pid:
pubs:1315036
Deposit date:
2022-12-14

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