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Numerical Investigation of the Dynamic Behavior of a High Lift Configuration with Circulation Control

Keller, Dennis and Rudnik, Ralf (2015) Numerical Investigation of the Dynamic Behavior of a High Lift Configuration with Circulation Control. In: AIAA 33rd Applied Aerodynamics Conference. AIAA - Aviation 2015, Dallas, USA.

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Abstract

The scope of this paper is to demonstrate the feasibility of a numerical evaluation of dynamic derivatives of a 3D high-lift configuration. Furthermore, the influence of active lift augmentation systems on the longitudinal dynamic derivatives shall be illustrated. Therefore, forced pitching and plunging motions at different boundary conditions were simulated. The investigation started with a comprehensive sensitivity study regarding algorithmic and configurational parameters on a representative 2D-model. The results show the impact of frequency, amplitude, flap deflection and blowing coefficient. Based on the preliminary 2D study, boundary conditions were selected for the simulation of the entire aircraft in landing configuration. The dynamic derivatives were successfully evaluated based on the linearization method. Neither thrust, nor blowing showed significant impact on the longitudinal dynamic derivatives.

Item URL in elib:https://elib.dlr.de/98414/
Document Type:Conference or Workshop Item (Speech)
Title:Numerical Investigation of the Dynamic Behavior of a High Lift Configuration with Circulation Control
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Keller, Dennisdennis.keller (at) dlr.deUNSPECIFIED
Rudnik, Ralfralf.rudnik (at) dlr.deUNSPECIFIED
Date:June 2015
Journal or Publication Title:AIAA 33rd Applied Aerodynamics Conference
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Aerodynamics, RANS, High-Lift, Circulation Control, Dynamic Derivatives, Propeller, Engine Integration
Event Title:AIAA - Aviation 2015
Event Location:Dallas, USA
Event Type:international Conference
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 - Flight Physics
Location: Braunschweig
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Transport Aircraft
Deposited By: Keller, Dennis
Deposited On:08 Oct 2015 09:02
Last Modified:10 May 2016 23:31

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