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Haxter, Stefan (2018) In-Flight Measurement of the Turbulent Boundary Layer Coherence. In: 28th Aeroacoustic Symposium of the Japan Society of Mechanical Engineers. 28th Aeroacoustic Symposium of the Japan Society of Mechanical Engineers, 2018-12-05 - 2018-12-06, Nagasaki, Japan.
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Offizielle URL: https://www.jsme.or.jp/english/
Kurzfassung
Coherence lengths of the turbulent boundary layer pressure fluctuations were measured in flight on the A320 "ATRA" test carrier. A 3-window array was used in order to characterize the pressure fluctuations. The problem of an unknown flow direction was approached by utilizing the two-dimensional sensor distribution and a 2D fitting method rather than a 1D fitting method. Using the analysis, both, lateral coherence length, longitudinal coherence length, and local flow angle were measured. The coherence lengths were compared to model predictions and the importance of taking the flow angle into account was confirmed.
| elib-URL des Eintrags: | https://elib.dlr.de/126592/ | ||||||||
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| Dokumentart: | Konferenzbeitrag (Vortrag) | ||||||||
| Titel: | In-Flight Measurement of the Turbulent Boundary Layer Coherence | ||||||||
| Autoren: |
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| Datum: | Dezember 2018 | ||||||||
| Erschienen in: | 28th Aeroacoustic Symposium of the Japan Society of Mechanical Engineers | ||||||||
| Referierte Publikation: | Ja | ||||||||
| Open Access: | Nein | ||||||||
| Gold Open Access: | Nein | ||||||||
| In SCOPUS: | Nein | ||||||||
| In ISI Web of Science: | Nein | ||||||||
| Name der Reihe: | Book of Abstracts | ||||||||
| Status: | veröffentlicht | ||||||||
| Stichwörter: | Flight Test, Coherence length, Acoustic, Cabin noise | ||||||||
| Veranstaltungstitel: | 28th Aeroacoustic Symposium of the Japan Society of Mechanical Engineers | ||||||||
| Veranstaltungsort: | Nagasaki, Japan | ||||||||
| Veranstaltungsart: | internationale Konferenz | ||||||||
| Veranstaltungsbeginn: | 5 Dezember 2018 | ||||||||
| Veranstaltungsende: | 6 Dezember 2018 | ||||||||
| Veranstalter : | The Japan Society of Mechanical Engineers | ||||||||
| Institution: | Deutsches Zentrum für Luft- und Raumfahrt e.V. | ||||||||
| Abteilung: | AS-EXV | ||||||||
| 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 > Experimentelle Verfahren, GO | ||||||||
| Hinterlegt von: | Micknaus, Ilka | ||||||||
| Hinterlegt am: | 04 Mär 2019 02:25 | ||||||||
| Letzte Änderung: | 24 Apr 2024 20:30 |
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