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Experimental Investigations In Low Noise Trailing Edge Design

Herr, M. and Dobrzynski, W. (2004) Experimental Investigations In Low Noise Trailing Edge Design. 10th AIAA/CEAS Aeroacoustics Conference, Manchester (uk), 10.-12.05.2004.

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Abstract

Within a parametric study on brush-type trailing edge extensions the noise reduction potential of several design concepts was determined. The obtained data base represents the first phase of an ongoing project with the long-term objective to develop scaling laws for a future application of such devices as add-on solutions for today's aircraft components. The experiments comprised both acoustic and aerodynamic measurements on a zero-lift generic plate model (Re = 2.1 to 7.9 x 10 Million) in DLR's open jet Aeroacoustic Wind Tunnel Braunschweig, AWB. Noise data were taken by means of a directional microphone system.

Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=2005,
Title:Experimental Investigations In Low Noise Trailing Edge Design
Authors:
AuthorsInstitution or Email of Authors
Herr, M.UNSPECIFIED
Dobrzynski, W.UNSPECIFIED
Date:2004
Status:Published
Keywords:Trailing Edge Noise, Brush Devices, Trailing Edge Brushes, Noise Reduction
Event Title:10th AIAA/CEAS Aeroacoustics Conference, Manchester (uk), 10.-12.05.2004
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
Deposited By: Claudia Grant
Deposited On:31 Jan 2006
Last Modified:14 Jan 2010 19:46

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