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A review of acoustic space filling curve metamaterials for jet engine inlets

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conference contribution
posted on 04.05.2021, 09:20 authored by Jennifer Glover, Daniel O'BoyDaniel O'Boy
Aircraft are notorious for their large sound profile, yet noise is one of the most significant limiting factors for aviation growth. In 2011 the World Health Organisation identified environmental noise as the second largest environmental health risk in Western Europe [1]. Prolonged exposure to unacceptable noise levels (≥55 dB Lden (day evening-night level)) is linked to conditions including tinnitus, hypertension, coronary heart disease and myocardial infarctions [2]. Factor such as these have led organisations like the Advisory Council for Aircraft Research and Innovation in Europe (ACARE) to target a reduction in perceived noise by 50% for new aircraft entering into service in 2020 relative to the year-2000 [3]. Moreover, airport operations are often restricted at night, due to factors such as noise therefore noise control offers a potential increased capacity....

History

School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Aeronautical and Automotive Engineering

Published in

Proceedings of the Institute of Acoustics

Volume

42

Issue

1

Source

Acoustics 2020

Publisher

Curran Publishers

Version

AM (Accepted Manuscript)

Rights holder

© Institute of Acoustics

Publisher statement

Reproduced with permission of the publisher

Acceptance date

01/08/2020

Publication date

2021-03-31

Copyright date

2021

ISBN

9781906913366

Book series

Institute of Acoustics Proceedings

Language

en

Location

Virtual

Event dates

5th October 2020 - 9th October 2020

Depositor

Dr Dan O'Boy Deposit date: 13 October 2020

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