Passive Attenuation of Modal Cavity Aeroacoustics Under Supersonic and Transonic Conditions

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Passive Attenuation of Modal Cavity Aeroacoustics Under Supersonic and Transonic Conditions

Passive Attenuation of Modal Cavity Aeroacoustics Under Supersonic and Transonic Conditions

Roberts, David A

Open cavities exposed to a grazing flow can exhibit large pressure fluctuations, which may result in damage to stores or components carried within a weapon bay. This study investigates the use of passive resonant absorbers based on Helmholtz resonators to attenuate the problematic pressure fluctuations that arise in cavity flows, under both transonic (0.80

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Title :

Passive Attenuation of Modal Cavity Aeroacoustics Under Supersonic and Transonic Conditions

Contributors:

Roberts, David A (author) / MacManus, David G / Johnson, Rudy A / Grove, James E / Birch, Trevor J / Chaplin, Ross A

Published in:

AIAA journal ; 53 , 7

Publication date :

2015

ISSN :

DOI :

https://doi.org/10.2514/1.J053564

Type of media :

Article (Journal)

Type of material :

Print

Language :

English

Keywords :

Raumfahrt , Luftfahrt

Classification :

BKL:		55.50 Luftfahrzeugtechnik / 55.60 Raumfahrttechnik / 55.60 / 50.93 / 55.50 / 50.93 Weltraumforschung
Local classification TIB:		770/7040

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