Details
AIRCRAFT NOISE
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.2 – 1Budapest 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
Additional Information
| Manufacturer | von Karman Institute for Fluid Dynamics |
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