A Study of Acoustic Modes as a Source of Airframe Cavity Noise - Thibault Estoueigt - Books - LAP LAMBERT Academic Publishing - 9786139993611 - July 15, 2020
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A Study of Acoustic Modes as a Source of Airframe Cavity Noise

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Under certain conditions, flow excited cavities can generate large pressure fluctuations, undesirable noise and significant structural loads. This project is an experimental study of noise emissions of a cylindrical Helmholtz resonance with a high H/D ratio. These harmful sounds are becoming more and more of a concern in societies because they impact the value of the residential areas surrounding the airports and the health of their inhabitants. This master thesis provide a better understanding of acoustic modes and Helmholtz resonance and how they react when confronted to attenuation technics such as a mesh, a foam and a honeycomb liner.

Media Books     Paperback Book   (Book with soft cover and glued back)
Released July 15, 2020
ISBN13 9786139993611
Publishers LAP LAMBERT Academic Publishing
Pages 96
Dimensions 152 × 229 × 6 mm   ·   149 g
Language English