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Boiko, Andrey und Dovgal, Alexander und Hein, Stefan und Henning, Arne (2011) Particle image velocimetry of a low-Reynolds-number separation bubble. Experiments in Fluids, Vol. 50 (1), Seiten 13-21. Springer Nature. doi: 10.1007/s00348-010-0887-z. ISSN 0723-4864.
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Offizielle URL: http://www.springerlink.com/content/xw6m843148ut2478/?print=true
Kurzfassung
Boundary-layer separation at a backward-facing step of a flat plate has been investigated in a low-turbulence wind tunnel with Particle Image Velocimetry (PIV). The experiments focused on the flow pattern behind the step at the Reynolds number based on its height of about 1000. Under quiet environmental and low-Re-number conditions, laminar flow separation was observed behind the step subjected to a small amount of the shear-layer instability. Examination of natural and controlled velocity perturbations in the separation region indicated that the version of PIV used in the present study is an appropriate tool to deal with linear-instability details that is normally done through hotwire measurements.
| elib-URL des Eintrags: | https://elib.dlr.de/58694/ | ||||||||||||||||||||
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| Dokumentart: | Zeitschriftenbeitrag | ||||||||||||||||||||
| Zusätzliche Informationen: | Published online: 4 May 2010 | ||||||||||||||||||||
| Titel: | Particle image velocimetry of a low-Reynolds-number separation bubble | ||||||||||||||||||||
| Autoren: |
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| Datum: | 2011 | ||||||||||||||||||||
| Erschienen in: | Experiments in Fluids | ||||||||||||||||||||
| Referierte Publikation: | Ja | ||||||||||||||||||||
| Open Access: | Nein | ||||||||||||||||||||
| Gold Open Access: | Nein | ||||||||||||||||||||
| In SCOPUS: | Ja | ||||||||||||||||||||
| In ISI Web of Science: | Ja | ||||||||||||||||||||
| Band: | Vol. 50 | ||||||||||||||||||||
| DOI: | 10.1007/s00348-010-0887-z | ||||||||||||||||||||
| Seitenbereich: | Seiten 13-21 | ||||||||||||||||||||
| Verlag: | Springer Nature | ||||||||||||||||||||
| ISSN: | 0723-4864 | ||||||||||||||||||||
| Status: | veröffentlicht | ||||||||||||||||||||
| Stichwörter: | PIV, separation bubble, linear instability theory | ||||||||||||||||||||
| HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||||||||||||||
| HGF - Programm: | Luftfahrt | ||||||||||||||||||||
| HGF - Programmthema: | Starrflügler (alt) | ||||||||||||||||||||
| DLR - Schwerpunkt: | Luftfahrt | ||||||||||||||||||||
| DLR - Forschungsgebiet: | L AR - Starrflüglerforschung | ||||||||||||||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | L - Flugphysik (alt) | ||||||||||||||||||||
| Standort: | Göttingen | ||||||||||||||||||||
| Institute & Einrichtungen: | Institut für Aerodynamik und Strömungstechnik > Hubschrauber Institut für Aerodynamik und Strömungstechnik > Experimentelle Verfahren | ||||||||||||||||||||
| Hinterlegt von: | Hein, Dr.-Ing. Stefan | ||||||||||||||||||||
| Hinterlegt am: | 09 Jun 2010 10:46 | ||||||||||||||||||||
| Letzte Änderung: | 21 Okt 2024 10:50 |
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