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Low Noise ATRA – An Aircraft Noise Reduction Study based on Retro-Fit Technologies

Pott-Pollenske, Michael and Almoneit, Daniela and Buchholz, Heino and Siller, Henri (2021) Low Noise ATRA – An Aircraft Noise Reduction Study based on Retro-Fit Technologies. In: AIAA Aviation and Aeronautics Forum and Exposition, AIAA AVIATION Forum 2021. 2021 AIAA AVIATION Forum and Exposition, 2.-6.August 2021, VIRTUAL EVENT. doi: 10.2514/6.2021-2117. ISBN 978-162410610-1.

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Abstract

In the course of the DLR research project Low Noise ATRA the effect of retro-fitting noise reduction technology on airframe noise and jet noise was investigated in a series of flyover noise measurements with the DLR research aircraft Airbus 320-232. Starting with the baseline aircraft in 2016 and temporarily ending in 2019 first results on landing gear, high lift system and jet noise reduction were achieved. The major outcome of the flight tests is a landing gear noise reduction by about 3 dB and an overall airframe noise reduction of about 1.5 dB, which are both based on add-on treatments. Furthermore, a special trailing edge treatment of the engine nozzle was tested. Detailed information on this technology and its acoustic benefit is provided in the companion paper by Siller

Item URL in elib:https://elib.dlr.de/143560/
Document Type:Conference or Workshop Item (Speech)
Title:Low Noise ATRA – An Aircraft Noise Reduction Study based on Retro-Fit Technologies
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Pott-Pollenske, MichaelUNSPECIFIEDhttps://orcid.org/0000-0002-9996-5624UNSPECIFIED
Almoneit, DanielaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Buchholz, HeinoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Siller, HenriUNSPECIFIEDhttps://orcid.org/0009-0000-7155-6899UNSPECIFIED
Date:3 August 2021
Journal or Publication Title:AIAA Aviation and Aeronautics Forum and Exposition, AIAA AVIATION Forum 2021
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
DOI:10.2514/6.2021-2117
ISBN:978-162410610-1
Status:Published
Keywords:Lärmminderung, Flugversuch,
Event Title:2021 AIAA AVIATION Forum and Exposition
Event Location:VIRTUAL EVENT
Event Type:international Conference
Event Dates:2.-6.August 2021
Organizer:American Institute of Aeronautics & Astronautics
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Efficient Vehicle
DLR - Research area:Aeronautics
DLR - Program:L EV - Efficient Vehicle
DLR - Research theme (Project):L - Aircraft Technologies and Integration
Location: Braunschweig
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Technical Acoustics
Deposited By: Pott-Pollenske, Stephan-Michael
Deposited On:19 Aug 2021 09:13
Last Modified:10 Aug 2023 07:25

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