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Investigation and Improvement of Directional Stability and Control under Slipstream Effects

Keller, Dennis and Rudnik, Ralf (2018) Investigation and Improvement of Directional Stability and Control under Slipstream Effects. AIAA Science and Technology Forum and Exposition 2018, 8-12 Jan 2018, Kissimmee, FL.

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The scope of this paper is to investigate and improve the aerodynamic properties of a propeller driven active high-lift configuration in lateral motion. Therefore, results of 3D RANS simulations of a landing configuration with circulation control and slipstream deflection under crosswind and one engine inoperative (OEI) conditions are discussed. The configuration shows directionally unstable behavior at small sideslip angles and high yawing moment production under OEI conditions. Flowfield analysis indicate that both can be attributed to wake-tail interference effects, caused by slipstream-vortex interaction. The integration of tail fences at the rear of the fuselage leads to considerable improvements under both conditions.

Item URL in elib:https://elib.dlr.de/119049/
Document Type:Conference or Workshop Item (Speech)
Title:Investigation and Improvement of Directional Stability and Control under Slipstream Effects
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Keller, DennisDennis.Keller (at) dlr.dehttps://orcid.org/0000-0002-1471-9433
Rudnik, Ralfralf.rudnik (at) dlr.deUNSPECIFIED
Date:January 2018
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Aerodynamics, High-Lift, Circulation Control, CFD, Engine Integration
Event Title:AIAA Science and Technology Forum and Exposition 2018
Event Location:Kissimmee, FL
Event Type:international Conference
Event Dates:8-12 Jan 2018
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
Location: Braunschweig
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Transport Aircraft
Deposited By: Keller, Dennis
Deposited On:18 Jun 2018 09:37
Last Modified:18 Jun 2018 09:37

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