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CAA-Simulation of trailing edge noise

Delfs, J. and Li, X. (1998) CAA-Simulation of trailing edge noise. Journal of Sound and Vibration, 214 (1), pp. 139-164.

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Abstract

The noise generated due to the interaction of localized vorticity with an edge is simulated numerically. A high order numerical scheme is used to simulate solutions to Euler's equations in perturbation formulation about a given mean flow field. The numerical method is based on Tam's DRP-scheme. Simulations show the correct directivity pattern in the form of a cardioid curve as known from analytical theory and experiments.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=1999,
Title:CAA-Simulation of trailing edge noise
Authors:
AuthorsInstitution or Email of Authors
Delfs, J.UNSPECIFIED
Li, X.UNSPECIFIED
Date:1998
Journal or Publication Title:Journal of Sound and Vibration
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:214
Page Range:pp. 139-164
Status:Published
Keywords:Computational Aeroacoustics, airframe noise, equations
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:L VU - Air Traffic and Environment (old)
DLR - Research area:Aeronautics
DLR - Program:L VU - Air Traffic and Environment
DLR - Research theme (Project):L - Quiet Air Traffic (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik
Deposited By: Claudia Grant
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 20:06

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