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Prediction of attachment line transition for a high-lift wing based on two-dimensional flow calculations with RANS-solver
Wild, J. and Schmidt, O.T. and Stürmer, A. (2004) Prediction of attachment line transition for a high-lift wing based on two-dimensional flow calculations with RANS-solver. Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer Verlag. (In Press)
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Abstract
This investigation shows that the properties of the two-dimensional flow around a high-lift multi-element airfoil obtained by solving the Reynolds-averaged Navier-Stokes equations can be used for the prediction of attachment-line transition (ALT) by the criterion of Pfenninger. Flow calculations are performed for three spanwise sections of a three-dimensional swept and tapered high-lift wing for which the occurrence of ALT is assumed at higher Reynolds numbers. It is shown that the onset of ALT is predicted reliably for changes of the angle of attack. The method is also applicable to indicate the spanwise location where ALT occurs first.
| Document Type: | Article | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Additional Information: | LIDO-Berichtsjahr=2005, | ||||||||
| Title: | Prediction of attachment line transition for a high-lift wing based on two-dimensional flow calculations with RANS-solver | ||||||||
| Authors: |
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| Date: | 2004 | ||||||||
| Journal or Publication Title: | Notes on Numerical Fluid Mechanics and Multidisciplinary Design | ||||||||
| Refereed publication: | Yes | ||||||||
| In ISI Web of Science: | Yes | ||||||||
| Publisher: | Springer Verlag | ||||||||
| Status: | In Press | ||||||||
| Keywords: | Transition, CFD, Strömungssimulation, Hochauftrieb, Flow simulation, High-Lift | ||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||
| HGF - Program: | Aeronautics | ||||||||
| HGF - Program Themes: | L AR - Aircraft Research | ||||||||
| DLR - Research area: | Aeronautics | ||||||||
| DLR - Program: | L AR - Aircraft Research | ||||||||
| DLR - Research theme (Project): | L - Flight Physics | ||||||||
| Location: | Köln-Porz , Braunschweig , Göttingen | ||||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology | ||||||||
| Deposited By: | Claudia Grant | ||||||||
| Deposited On: | 31 Jan 2006 | ||||||||
| Last Modified: | 14 Jan 2010 19:44 |
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