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Validation Data for Aircraft Noise Shielding Prediction

Rossignol, Karl-Stéphane and Delfs, Jan Werner and Mößner, Michael and Lummer, Markus and Yin, Jianping (2019) Validation Data for Aircraft Noise Shielding Prediction. CEAS Aeronautical Journal, 10 (1), pp. 179-196. Springer. doi: 10.1007/13272019003870. ISSN 1869-5590.

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The design of future low-noise aircraft will require an account of noise shielding as a fundamental design parameter. This aspect was already recognized in the seventies, where early experimental work set the ground on possible solutions to the conventional, short and reduced take-off and landing noise problem. The current low-noise aircraft design concepts of the hybrid-wing-body type require establishing a new knowledge base to allow an assessment of its potential noise benefit. Experimental work done in the course of the last 15 years slowly moved in this direction with the establishment of new testing methodologies. Currently available databases render an estimation of the turbomachinery noise shieding benefit of specific design choices on aircraft of the hybrid-wing- body type possible. Still, research in this domain would strongly benefit from the development of reliable and flexible numerical prediction methods. A broadband non-intrusive laser-based sound source is used to perform experiments on a wide range of configurations, providing an extensive high-quality validation database. The paper presents an overview of available datasets from dedicated experimental investigations, ranging from simple generic test cases to full 3D aircraft configurations, as well as comparisons with numerical results.

Item URL in elib:https://elib.dlr.de/117138/
Document Type:Article
Title:Validation Data for Aircraft Noise Shielding Prediction
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Rossignol, Karl-Stéphanekarl-stephane.rossignol (at) dlr.deUNSPECIFIED
Delfs, Jan Wernerjan.delfs (at) dlr.deUNSPECIFIED
Mößner, MichaelMichael.Moessner (at) dlr.deUNSPECIFIED
Lummer, Markusmarkus.lummer (at) dlr.deUNSPECIFIED
Yin, JianpingJianping.Yin (at) dlr.deUNSPECIFIED
Date:16 March 2019
Journal or Publication Title:CEAS Aeronautical Journal
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
DOI :10.1007/13272019003870
Page Range:pp. 179-196
Keywords:Aeroacoustics, wind tunnel, shielding, noise, experiment
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics (old)
Location: Braunschweig
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Technical Acoustics
Deposited By: Rossignol, Karl-Stephane
Deposited On:21 Aug 2019 10:36
Last Modified:20 Aug 2020 03:00

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