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A High-Speed PIV Study on Trailing-Edge Noise Sources

Schröder, Andreas and Dierksheide, Uwe and Herr, Michaela and Lauke, Thomas (2007) A High-Speed PIV Study on Trailing-Edge Noise Sources. In: Experimental Fluid Mechanics. Springer Verlag, Berlin, Heidelberg, New York. pp. 344-347. ISBN 978-3-540-72307-3.

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Official URL: http://www.springer.com


Airframe noise is essentially due to the interaction of unsteady, mostly turbulent flow with the structure of the airplane, particularly caused by vortical flows around edges or over open cavities. A classical problem in this field is the trailing edge noise, which involves different noise generating mechanisms. Extensive investigations have been conducted on airfoil- and on flat plate trailing edges. According to [380, 381, 382] the major noise contribution is provided by the span-wise component of vorticity, the corresponding dipole (”principal edge noise dipole”) is the sc. perturbed Lamb vector being perpendicular to the plane of the plate. A numerical simulation of trailing edge noise can be performed, based on such HS-PIV input data.

Item URL in elib:https://elib.dlr.de/50163/
Document Type:Book Section
Title:A High-Speed PIV Study on Trailing-Edge Noise Sources
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Dierksheide, UweLaVision, GöttingenUNSPECIFIEDUNSPECIFIED
Herr, MichaelaUNSPECIFIEDhttps://orcid.org/0009-0000-7275-7078155471727
Date:June 2007
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 344-347
Publisher:Springer Verlag, Berlin, Heidelberg, New York
Series Name:Experimental Fluid Mechanics
Keywords:high-speed PIV (HS-PIV), boundary layer, instantaneous velocity vector field
HGF - Research field:Aeronautics, Space and Transport
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: Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Technical Acoustics
Institute of Aerodynamics and Flow Technology > Experimental Methods
Deposited By: Micknaus, Ilka
Deposited On:21 Aug 2007
Last Modified:15 Mar 2024 07:31

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