Rossian, Lennart und Ewert, Roland und Delfs, Jan Werner (2018) A numerical approach to trailing edge noise reduction by porous materials. Journal of Sound and Vibration, 427, Seiten 188-221. Elsevier. doi: 10.1016/j.jsv.2017.10.016. ISSN 0022-460X.
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Offizielle URL: https://doi.org/10.1016/j.jsv.2017.10.016
Kurzfassung
In a two-step CFD-CAA simulation framework with DLR's CAA code PIANO enhanced by the treatment for porous materials simulations of a NACA0012 airfoil with a trailing edge made of porous materials starting at 88.75% chord length were run. The beneficial influence of porous materials was shown to be in good accordance with the experimental results. Furthermore, the effect of anisotropic as well as non-uniform materials was studied. Particularly, it was found that the application of nonuniform materials, as shown in Fig. 31, yields a notable noise reduction potential.
elib-URL des Eintrags: | https://elib.dlr.de/125644/ | ||||||||||||||||
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Dokumentart: | Zeitschriftenbeitrag | ||||||||||||||||
Titel: | A numerical approach to trailing edge noise reduction by porous materials | ||||||||||||||||
Autoren: |
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Datum: | 4 August 2018 | ||||||||||||||||
Erschienen in: | Journal of Sound and Vibration | ||||||||||||||||
Referierte Publikation: | Ja | ||||||||||||||||
Open Access: | Ja | ||||||||||||||||
Gold Open Access: | Nein | ||||||||||||||||
In SCOPUS: | Ja | ||||||||||||||||
In ISI Web of Science: | Ja | ||||||||||||||||
Band: | 427 | ||||||||||||||||
DOI: | 10.1016/j.jsv.2017.10.016 | ||||||||||||||||
Seitenbereich: | Seiten 188-221 | ||||||||||||||||
Herausgeber: |
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Verlag: | Elsevier | ||||||||||||||||
Name der Reihe: | Aeroacoustics research in Europe: The CEAS-ASC report on 2016 highlights | ||||||||||||||||
ISSN: | 0022-460X | ||||||||||||||||
Status: | veröffentlicht | ||||||||||||||||
Stichwörter: | trailing edge noise reduction, porous materials for noise reduction, graded porous materials, aeroacoustics | ||||||||||||||||
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: | Braunschweig | ||||||||||||||||
Institute & Einrichtungen: | Institut für Aerodynamik und Strömungstechnik > Technische Akustik | ||||||||||||||||
Hinterlegt von: | Delfs, Prof.Dr. Jan Werner | ||||||||||||||||
Hinterlegt am: | 07 Jan 2019 16:14 | ||||||||||||||||
Letzte Änderung: | 05 Nov 2020 19:24 |
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