| Autor: |
Rolf Radespiel, Jakob Thiemeier, Marco Burnazzi |
| Rok vydání: |
2016 |
| Předmět: |
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| Zdroj: |
Notes on Numerical Fluid Mechanics and Multidisciplinary Design ISBN: 9783319272788 |
| DOI: |
10.1007/978-3-319-27279-5_1 |
| Popis: |
An active high-lift set up is employed on a wing-body aircraft configuration and the stall behavior is analyzed by means of CFD RANS simulations. The high-lift system is composed of a trailing-edge gap-less Coanda flap and a leading-edge flexible droop nose. The effect of the leading-edge device is studied by using comparisons with the cruise leading-edge configuration. Comparisons with previous 2D simulations highlight lower lift performances for the wing section of the 3D model with respect to the airfoil data. This is due to 3D flow dynamics that limit the lift generated by the wing and induce stall with mechanisms not observed in 2D. Cross flow at the wing leading edge, or over the suction side of the wing root, increase the boundary layer thickness over the wing, thus reducing the efficiency of the Coanda flap. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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