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Membrane-type acoustic metamaterials for aircraft noise shields

Membrane-type acoustic metamaterials for aircraft noise shields
Membrane-type acoustic metamaterials for aircraft noise shields
This work investigates the applicability of membrane-type acoustic metamaterials as efficient low-frequency tonal noise reduction means. Analytical models for the calculation of the sound transmission properties of noise shields with membrane-type acoustic metamaterials are developed. These models are then employed in the design of an experimental aircraft noise shield demonstrator, which is characterized on a vibro-acoustic fuselage test structure under realistic mounting and acoustic excitation conditions.
Hamburg University of Technology
Langfeldt, Felix
2bf86877-f2cd-4c35-be0f-e38a718a915c
Langfeldt, Felix
2bf86877-f2cd-4c35-be0f-e38a718a915c
Von Estorff, Otto
7b2f7283-9bab-49e4-9ac8-baaa061e769d
Gleine, Wolfgang
6b99025f-b44a-46a8-b699-ec25962c7e75

Langfeldt, Felix (2018) Membrane-type acoustic metamaterials for aircraft noise shields. Hamburg University of Technology, Doctoral Thesis, 204pp.

Record type: Thesis (Doctoral)

Abstract

This work investigates the applicability of membrane-type acoustic metamaterials as efficient low-frequency tonal noise reduction means. Analytical models for the calculation of the sound transmission properties of noise shields with membrane-type acoustic metamaterials are developed. These models are then employed in the design of an experimental aircraft noise shield demonstrator, which is characterized on a vibro-acoustic fuselage test structure under realistic mounting and acoustic excitation conditions.

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More information

Published date: 2018

Identifiers

Local EPrints ID: 455609
URI: http://eprints.soton.ac.uk/id/eprint/455609
DOI: doi:10.15480/882.1780
PURE UUID: 3c5abbd6-8d2e-441d-b075-0bc818a91c81
ORCID for Felix Langfeldt: ORCID iD orcid.org/0000-0003-2380-2746

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Date deposited: 29 Mar 2022 16:35
Last modified: 17 Mar 2024 04:11

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Contributors

Author: Felix Langfeldt ORCID iD
Thesis advisor: Otto Von Estorff
Thesis advisor: Wolfgang Gleine

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