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Kompenhans, J. und Raffel, M. und Wernert, P. und Schäfer, H.J. (1994) Instantaneous Flow Field Measurements on Pitching Airfoils by Means of Particle Image Velocimetry. In: Proc. Optical Methods and Data Processing in Heat and Fluid Flow, Seiten 117-121. Optical Methods and Data Processing in Heat and Fluid Flow, 14.-15. April 1994, London.
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Kurzfassung
SYNOPSIS The unsteady flow field above a NACA 0012 airfoil oscillating in pitch has been investigated at a Reynolds number of Re = 373.000 and a reduced frequency of omega * = 0.3 by means of Particle Image Velocimetry in the subsonic wind tunnel of the ISL. Instantaneous flow fields could be measured under dynamic stall conditions, due to the short measuring time of only a few microseconds as required by the PIV technique. The results show the strong unsteady behaviour of the flow above the airfoil, especially in the downstroke motion.
| elib-URL des Eintrags: | https://elib.dlr.de/37127/ | ||||||||||||||||||||
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| Dokumentart: | Konferenzbeitrag (Paper) | ||||||||||||||||||||
| Zusätzliche Informationen: | LIDO-Berichtsjahr=1994, | ||||||||||||||||||||
| Titel: | Instantaneous Flow Field Measurements on Pitching Airfoils by Means of Particle Image Velocimetry | ||||||||||||||||||||
| Autoren: |
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| Datum: | 1994 | ||||||||||||||||||||
| Erschienen in: | Proc. Optical Methods and Data Processing in Heat and Fluid Flow | ||||||||||||||||||||
| Open Access: | Nein | ||||||||||||||||||||
| Gold Open Access: | Nein | ||||||||||||||||||||
| In SCOPUS: | Nein | ||||||||||||||||||||
| In ISI Web of Science: | Nein | ||||||||||||||||||||
| Seitenbereich: | Seiten 117-121 | ||||||||||||||||||||
| Status: | veröffentlicht | ||||||||||||||||||||
| Stichwörter: | Particle Image Velocimetry, NACA 0012, Dynamic Stall, Oscillating Airfoil | ||||||||||||||||||||
| Veranstaltungstitel: | Optical Methods and Data Processing in Heat and Fluid Flow, 14.-15. April 1994, London | ||||||||||||||||||||
| HGF - Forschungsbereich: | Verkehr und Weltraum (alt) | ||||||||||||||||||||
| HGF - Programm: | Luftfahrt | ||||||||||||||||||||
| HGF - Programmthema: | keine Zuordnung | ||||||||||||||||||||
| DLR - Schwerpunkt: | Luftfahrt | ||||||||||||||||||||
| DLR - Forschungsgebiet: | L DT - Drehflüglertechnologien | ||||||||||||||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | NICHT SPEZIFIZIERT | ||||||||||||||||||||
| Standort: | Köln-Porz , Braunschweig , Göttingen | ||||||||||||||||||||
| Institute & Einrichtungen: | Institut für Aerodynamik und Strömungstechnik > Institut für Strömungsmechanik > Institut für Experimentelle Strömungsmechanik | ||||||||||||||||||||
| Hinterlegt von: | DLR-Beauftragter, elib | ||||||||||||||||||||
| Hinterlegt am: | 03 Apr 2006 | ||||||||||||||||||||
| Letzte Änderung: | 27 Apr 2009 10:07 |
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