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Noise Source Localization in Closed Test Sections with Microphone Arrays

Henning, Arne and Koop, Lars and Oerlemans, S. and Sijtsma, P. (2007) Noise Source Localization in Closed Test Sections with Microphone Arrays. 1st CEAS European Air and Space Conference, 2007-09-10 - 2007-09-13, Berlin (Germany). ISSN 0700-4083.

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In order to meet the objectives of ACARE Vision 2020 which aims amongst others at a reduction in perceived noise to one half of current average levels aero-acoustic testing methods must improve considerably. With the advent of the phased array microphone technologies and advanced data processing several research groups have developed the capability to perform acoustic tests within closed-test-section wind tunnels. This paper gives an overview of the current state of the art in microphone array techniques at various European research establishments. Based on these results future developments driven by the industrial requirements will be outlined. The main objective in this context is the extrapolation of results obtained from wind tunnel measurement to real flight conditions.

Item URL in elib:https://elib.dlr.de/51050/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Noise Source Localization in Closed Test Sections with Microphone Arrays
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Henning, ArneTU-BerlinUNSPECIFIED
Oerlemans, S.National Aerospace Laboratory, 8300 AD Emmeloord, The NetherlandsUNSPECIFIED
Sijtsma, P.National Aerospace Laboratory, 8300 AD Emmeloord, The NetherlandsUNSPECIFIED
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 1-10
Series Name:Conference Proceedings
Keywords:microphone array, closed test section, acoustic, biclean, deconvolution
Event Title:1st CEAS European Air and Space Conference
Event Location:Berlin (Germany)
Event Type:international Conference
Event Dates:2007-09-10 - 2007-09-13
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Experimental Methods
Deposited By: Micknaus, Ilka
Deposited On:04 Oct 2007
Last Modified:13 Jul 2010 10:32

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