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Fehrs, Michael (2014) ALLEGRA: Boundary Layer Transition and Flutter Stability of Airfoils. DLR-Interner Bericht. DLR-IB 232-2014 J 06. Institut für Aeroelastik. 62 S.
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Abstract
This report presents results for CFD computations for 2d airfoil flows with free boundary layer transition. For transition prediction the γ-Reθ transition model is used in combination with the SST k-ω model. Different airfoils and flow conditions are considered to investigate the influence of the free boundary layer transition on the dynamic aeroelastic stability (flutter) of supercritical and laminar airfoils in the transonic flight regime. The results are compared to fully turbulent results. This report presents the results for the milestone 1.1.1 “2d investigations completed” and milestone 1.2.1 “Parameter variation for laminar airfoils and assessment” in work package HAP 1 of the project ALLEGRA.
| Item URL in elib: | https://elib.dlr.de/94561/ | ||||||
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| Document Type: | Monograph (DLR-Interner Bericht) | ||||||
| Title: | ALLEGRA: Boundary Layer Transition and Flutter Stability of Airfoils | ||||||
| Authors: |
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| Date: | March 2014 | ||||||
| Refereed publication: | No | ||||||
| Open Access: | No | ||||||
| Gold Open Access: | No | ||||||
| In SCOPUS: | No | ||||||
| In ISI Web of Science: | No | ||||||
| Number of Pages: | 62 | ||||||
| Status: | Published | ||||||
| Keywords: | boundary layer Transition, laminar airfoils | ||||||
| Institution: | Institut für Aeroelastik | ||||||
| Department: | Aeroelastische Simulation | ||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||
| HGF - Program: | Aeronautics | ||||||
| HGF - Program Themes: | fixed-wing aircraft | ||||||
| DLR - Research area: | Aeronautics | ||||||
| DLR - Program: | L AR - Aircraft Research | ||||||
| DLR - Research theme (Project): | L - Simulation and Validation (old) | ||||||
| Location: | Göttingen | ||||||
| Institutes and Institutions: | Institute of Aeroelasticity > Aeroelastic Simulations | ||||||
| Deposited By: | Fehrs, Michael | ||||||
| Deposited On: | 13 Jan 2015 10:34 | ||||||
| Last Modified: | 13 Jan 2015 10:34 |
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