On Modeling of Transitional Flow and its Application on a High Lift Multi-element Airfoil Configuration
Krumbein, A. (2003) On Modeling of Transitional Flow and its Application on a High Lift Multi-element Airfoil Configuration. 41st AIAA Aerospace Sciences Meeting and Exhibit, Reno (usa), 06.-09.01.2003.
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In order to enhance its capabilities to handle flows with transition a RANS solver has been extended with regard to the modeling of transitional flow regions based on transition length models and the intermittency function. As the full coupling of the solver to an e*-method that predicts the locations of transition onset has not yet been completed the points of laminar separation are supposed to represent the transition locations in a first step. A method and an algorithm for detecting the laminar separation points are derived, the intermittency function and two transition length models are implemented and validated at a selected high lift multi-element test case. The paper focuses on the background of the implementation work and the testing of the functionalilites of the algorithms. Details of the implementation, which are consequences of an underlying transition prediction strategy are outlined. The testing is described and documented by a number of commented plots.
|Document Type:||Conference or Workshop Item (Paper)|
|Additional Information:||LIDO-Berichtsjahr=2003, monograph_id=AIAA-Paper 2003-724,|
|Title:||On Modeling of Transitional Flow and its Application on a High Lift Multi-element Airfoil Configuration|
|Keywords:||Transition Prediction, RANS solvers, Transition Modeling, Transitional Flows, Transition Length, High Lift, Multi-element|
|Event Title:||41st AIAA Aerospace Sciences Meeting and Exhibit, Reno (usa), 06.-09.01.2003|
|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 - Concepts & Integration|
|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 19:09|
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