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Improving Future Low-noise Aircraft Technologies Using Experimental Perception-Based Evaluation of Synthetic Flyovers

Pieren, Reto und Bertsch, Lothar und Lauper, Demian und Schäffer, Beat (2019) Improving Future Low-noise Aircraft Technologies Using Experimental Perception-Based Evaluation of Synthetic Flyovers. Science of the Total Environment, 692, Seiten 68-81. Elsevier. doi: 10.1016/j.scitotenv.2019.07.253. ISSN 0048-9697.

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Offizielle URL: https://doi.org/10.1016/j.scitotenv.2019.07.253

Kurzfassung

Residents living in the vicinity of airports are exposed to noise from departing and approaching aircraft. Noise may be reduced by introducing novel aircraft technologies into vehicle retrofit, aircraft design and flight procedures. Nowadays, noise assessment and communication of noise are accomplished using conventional noise indicators that consider neither the perception of sound, nor its health effects. To overcome these limitations, this article presents a more comprehensive approach that supports the movement for perception-influenced design in order to reduce the negative environmental impacts and adverse health effects caused by increased air traffic noise. By means of auralization (the acoustical counterpart of visualization), possible future changes can be evaluated by considering the human perception of sound. In this study, in a virtual acoustic environment flyovers of different aircraft types and flight procedures are auralized for ground-based receiver locations, and subsequently evaluated in a psychoacoustic laboratory experiment with respect to short-term noise annoyance. Flight approaches of an existing reference aircraft, a possible low-noise retrofitted vehicle and a future low-noise vehicle design were simulated along standard and tailored flight procedures. To create realistic listening experiences of synthetic flyovers, auralization technologies were further developed regarding source synthesis, transitions between aircraft conditions, sound propagation effects and immersive sound reproduction. Listening experiments revealed significant annoyance reductions for low-noise aircraft types and tailored flight procedures, and that maximum benefit is achieved by the combined optimization of aircraft design and flight procedure. Further, it is shown that spatially distributed receivers need to be considered for a reliable low-noise aircraft technology evaluation. The reduction potential in terms of perceived noise by retrofitting current vehicles and designing new vehicle architectures is thus demonstrated. These findings suggest applying the proposed comprehensive approach to effectively reduce the impact of perceived air traffic noise in the future.

elib-URL des Eintrags:https://elib.dlr.de/126086/
Dokumentart:Zeitschriftenbeitrag
Titel:Improving Future Low-noise Aircraft Technologies Using Experimental Perception-Based Evaluation of Synthetic Flyovers
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Pieren, Retoreto.pieren (at) empa.chNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Bertsch, LotharLothar.Bertsch (at) dlr.dehttps://orcid.org/0000-0003-2780-2858NICHT SPEZIFIZIERT
Lauper, Demiandemian.lauper (at) empa.chNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Schäffer, Beatbeat.schaeffer (at) empa.chNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Datum:17 Juli 2019
Erschienen in:Science of the Total Environment
Referierte Publikation:Ja
Open Access:Ja
Gold Open Access:Nein
In SCOPUS:Ja
In ISI Web of Science:Ja
Band:692
DOI:10.1016/j.scitotenv.2019.07.253
Seitenbereich:Seiten 68-81
Herausgeber:
HerausgeberInstitution und/oder E-Mail-Adresse der HerausgeberHerausgeber-ORCID-iDORCID Put Code
Kassomenos, PavlosNICHT SPEZIFIZIERTNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Verlag:Elsevier
ISSN:0048-9697
Status:veröffentlicht
Stichwörter:Aircraft noise, simulation, auralization, sound synthesis, perception, listening experiment, low-noise aircraft design
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Luftfahrt
HGF - Programmthema:Flugzeuge
DLR - Schwerpunkt:Luftfahrt
DLR - Forschungsgebiet:L AR - Aircraft Research
DLR - Teilgebiet (Projekt, Vorhaben):L - Simulation und Validierung (alt)
Standort: Göttingen
Institute & Einrichtungen:Institut für Aerodynamik und Strömungstechnik > Hubschrauber, GO
Hinterlegt von: Winkels, Elisabeth
Hinterlegt am:25 Jul 2019 10:24
Letzte Änderung:06 Sep 2019 15:19

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