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Aircaft Noise - hardcover - VKI LS 2012-02

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VKI LS 2012-02 on Aicraft Noise, ISBN-13 978-2-87516-029-4

Aircaft Noise - hardcover - VKI LS 2012-02

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VKI LS 2012-02,Edited by R. Dénos1, E. Lecompte1, E. Kors2, C. Schram3
1European Commission, Belgium & 2Safran, France & 3von Karman Institute for Fluid Dynamics, Belgium
ISBN-13 978-2-87516-029-4
March 12 - 15, 2012

With a 4 to 5% annual growth of air traffic in the last years, the reduction of aircraft noise becomes imperative for the social acceptance of air transport growth. These Lecture Series proceedings review the different sources of aircraft noise, how noise source and propagation can be modelled, develop solutions to mitigate noise emissions and shed light on the way humans perceive noise.

The first lecture note gives an introduction to acoustics and aeroacoustics. On a scientific point of view, there is still much missing knowledge. Therefore, a review of the relevant computational methods is given covering the fluid dynamics aspects as well as acoustic emission and propagation.

The specification of the noise sources is then detailed whether it comes from the airframe, the turbomachinery components of the engine or from the engine exhaust jets. Passive and active noise control strategies are presented. It is also important to understand the current policy goals in terms of noise footprint reduction, and the relevant international legislation. Tools that are capable of assessing the impact of noise on the community is presented and the way human beings perceive noise is addressed.

Finally, an overview of research programs will be performed, with emphasis on European funded projects.

SCHRAM, C. – von Karman Institute for Fluid Dynamics, Belgium
An introduction to linear acoustics and flow noise at low Mach numbers

SIJTSMA, P. – National Aerospace Laboratory NLR, The Netherlands
Acoustic beamforming for the ranking of aircraft noise

EWERT, R.; BAUER, M.; LUMMER, M. – German Aerospace Center (DLR), Germany
A review of state-of-the-art aeroacoustic prediction approaches

DECK, S. – ONERA, France
Advanced turbulence modeling for aeroacoustics sources calculations. Application of Zonal Detached Eddy Simulation (ZDES)

DELFS, J. – German Aerospace Center (DLR), Germany
Airframe Noise

ROGER, M. – Ecole Centrale de Lyon, France
Turbomachinery noise

BAILLY, CH.; BOGEY, CH.; MARSDEN, O. – Ecole Centrale de Lyon, France
An Introduction to jet noise and control of subsonic mixing noise

JOSELZON, A. – (formerly) Airbus, France
Aircraft noise regulatory and policy aspects

GRANØIEN, I.L.N. & GJESTLAND, T. – SINTEF ICT Acoustics Department, Norway
Community noise impact assessment

MÁRKI, F.1 & STEIN, S.21Budapest University of Technology and Economics (BME), Hungary & 2German Aerospace Center (DLR), Germany
The difference between hearing and measuring aircraft noise: acoustics, psychoacoustics and others

KORS, E. & COLLIN, D. – Snecma, France
Past and on-going research programmes on aircraft noise

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Manufacturer von Karman Institute for Fluid Dynamics

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