DLR-Logo -> http://www.dlr.de
DLR Portal Home | Imprint | Privacy Policy | Contact | Deutsch
Fontsize: [-] Text [+]

A High-Speed PIV Study on trailing-edge noise sources

Schröder, Andreas and Dierksheide, Uwe and Herr, Michaela and Lauke, Thomas (2018) A High-Speed PIV Study on trailing-edge noise sources. In: Particle Image Velocimetry - A Practical Guide (3rd Edition) Particle Image Velocimetry, A Practical Guide, 3 (14.3). Springer International Publishing. 508 - 512. doi: 10.1007/978-3-319-68852-7. ISBN 978-3-319-68851-0.

Full text not available from this repository.

Official URL: https://doi.org/10.1007/978-3-319-68852-7


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. 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 has been performed, based on HS-PIV input data. The source term of the acoustic analogies was directly computed from the measured HS-PIV velocity field quantities (namely the instantaneous velocity, vorticity and the mean flow). After linear interpolation onto the body-fitted block-structured grid for the trailing edge, these source term values were fed into the subsequent computational aeroacoustic (CAA) simulations.

Item URL in elib:https://elib.dlr.de/122437/
Document Type:Book Section
Additional Information:eBook: ISBN978-3-319-68852-7, Seitenzahl: XXVI, 669
Title:A High-Speed PIV Study on trailing-edge noise sources
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Schröder, Andreasandreas.schroeder (at) dlr.dehttps://orcid.org/0000-0002-6971-9262
Dierksheide, UweLaVision, GöttingenUNSPECIFIED
Herr, MichaelaMichaela.Herr (at) dlr.deUNSPECIFIED
Date:April 2018
Journal or Publication Title:Particle Image Velocimetry - A Practical Guide (3rd Edition)
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
DOI :10.1007/978-3-319-68852-7
Page Range:508 - 512
EditorsEmailEditor's ORCID iD
Willert, Christian E.DLRUNSPECIFIED
Scarano, FulvioTU DelftUNSPECIFIED
Kähler, Christian J.Uni BW MünchenUNSPECIFIED
Wereley, Steven T.Purdue UniversityUNSPECIFIED
Kompenhans, JürgenDLRUNSPECIFIED
Publisher:Springer International Publishing
Series Name:Particle Image Velocimetry, A Practical Guide
Keywords:High speed PIV, airframe noise, turbulent boundary layer
Institution:Deutsches Zentrum für Luft- und Raumfahrt e.V.
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 - VicToria (old)
Location: Braunschweig , Göttingen
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Experimental Methods, GO
Institute for Aerodynamics and Flow Technology > Technical Acoustics
Deposited By: Micknaus, Ilka
Deposited On:14 Jan 2019 03:44
Last Modified:14 Jan 2019 03:57

Repository Staff Only: item control page

Help & Contact
electronic library is running on EPrints 3.3.12
Copyright © 2008-2017 German Aerospace Center (DLR). All rights reserved.