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Müller, Max and Leitner, Franz and Ehrenfried, Klaus and Wagner, Claus (2018) System of Oscillating Flaps to Impose Unsteady Aerodynamic Loads on Vehicle Models: Development, Construction and Initial Operation. 3rd International Symposium RAIL-Aerodynamics 2018: Aerodynamics of Trains and Infrastructure, 2018-01-31 - 2018-02-01, Berlin, Deutschland.
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Abstract
Zur Untersuchung des Zusammenhanges zwischen instationärer Aerodynamik und den resultierenden Kraftantworten auf Zugmodelle im Windkanal ist am DLR Standort Göttingen ein neuer Böengenerator entwickelt worden. Dieser besteht aus vier Hauptflügeln mit beweglichen Flaps und erreicht eine Frequenz von 50 Hz bei harmonischer sinus-förmiger Oszillation. Hierbei bleiben die Verformungen der bewegten Teile vernachlässigbar klein. Im Rahmen der Inbetriebnahme ist das wing system auf seine Betriebsgrenzen getestet worden. Um signifikante Querströmung zu induzieren muss die in die Strömung induzierte Wellenlänge größer als die Sehnenlänge der Hauptflügel sein, zusätzlich sind die Nachlauf induzierten höher harmonischen Frequenzen betrachtet worden.
| Item URL in elib: | https://elib.dlr.de/119408/ | ||||||||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||||||||||
| Title: | System of Oscillating Flaps to Impose Unsteady Aerodynamic Loads on Vehicle Models: Development, Construction and Initial Operation | ||||||||||||||||||||
| Authors: |
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| Date: | 1 February 2018 | ||||||||||||||||||||
| Refereed publication: | No | ||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||
| Keywords: | Böengenerator, wing system, Höher Harmonische Frequenzen, Wellenlänge | ||||||||||||||||||||
| Event Title: | 3rd International Symposium RAIL-Aerodynamics 2018: Aerodynamics of Trains and Infrastructure | ||||||||||||||||||||
| Event Location: | Berlin, Deutschland | ||||||||||||||||||||
| Event Type: | international Conference | ||||||||||||||||||||
| Event Start Date: | 31 January 2018 | ||||||||||||||||||||
| Event End Date: | 1 February 2018 | ||||||||||||||||||||
| Organizer: | IFV Bahntechnik e.V. | ||||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||||
| HGF - Program: | Transport | ||||||||||||||||||||
| HGF - Program Themes: | Terrestrial Vehicles (old) | ||||||||||||||||||||
| DLR - Research area: | Transport | ||||||||||||||||||||
| DLR - Program: | V BF - Bodengebundene Fahrzeuge | ||||||||||||||||||||
| DLR - Research theme (Project): | V - Next Generation Train III (old) | ||||||||||||||||||||
| Location: | Göttingen | ||||||||||||||||||||
| Institutes and Institutions: | Institute for Aerodynamics and Flow Technology > Fluid Systems, GO | ||||||||||||||||||||
| Deposited By: | Müller, Max | ||||||||||||||||||||
| Deposited On: | 27 Mar 2018 15:32 | ||||||||||||||||||||
| Last Modified: | 24 Apr 2024 20:23 |
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