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Control Device Studies for Yaw Control without Vertical Tail Plane on a 53° Swept Flying Wing Configuration

Löchert, Patrick and Liersch, Carsten M. and Schütte, Andreas and Huber, Kerstin Claudie (2018) Control Device Studies for Yaw Control without Vertical Tail Plane on a 53° Swept Flying Wing Configuration. In: AIAA AVIATION 2018 - Applied Aerodynamics Conference. AIAA Aviation Forum and Exposition, Atlanta, GA, USA. DOI: 10.2514/6.2018-3329

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Abstract

The present investigations cover studies of different control devices on a 53° swept flying wing configuration without vertical tail plane. For the numerical simulations the RANS solver DLR-TAU was used to analyze the influences on the aerodynamic characteristics of the different control device concepts. The boundary conditions of the control devices result from the flight dynamic requirements which have been worked out in the NATO STO/AVT-251 Task Group. The challenge of the present work is to provide yaw control with a sufficient yawing moment with almost no contribution in rolling and pitching moment. To identify such concepts, a number of preliminary experiments on a generic flying wing configuration have been conducted. After that, three different concepts were numerically examined in the present study. Concepts with spoilers, a wingtip flap and a split flap were analyzed. For medium to high angle of attack the flow topology is dominated by a vortical flow field on the upper outer wing. This leads to a control device vortex interaction which influences the flow and the attitude of the control device on the upper wing side. The effects of the interaction are different for each type of control device shown in this work. Therefore, a detailed consideration of different control devices and their influences on the entire system is of crucial importance

Item URL in elib:https://elib.dlr.de/120837/
Document Type:Conference or Workshop Item (Speech)
Title:Control Device Studies for Yaw Control without Vertical Tail Plane on a 53° Swept Flying Wing Configuration
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Löchert, PatrickPatrick.Loechert (at) dlr.deUNSPECIFIED
Liersch, Carsten M.carsten.liersch (at) dlr.deUNSPECIFIED
Schütte, AndreasAndreas.Schuette (at) dlr.deUNSPECIFIED
Huber, Kerstin Claudiekerstin.huber (at) dlr.deUNSPECIFIED
Date:June 2018
Journal or Publication Title:AIAA AVIATION 2018 - Applied Aerodynamics Conference
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
DOI :10.2514/6.2018-3329
Series Name:AIAA-Paper 2018-3329
Status:Published
Keywords:Stability and Control, CFD, slpit flaps, yaw control, flying wing
Event Title:AIAA Aviation Forum and Exposition
Event Location:Atlanta, GA, USA
Event Type:international Conference
Organizer:AIAA - The American Institute of Aeronautics and Astronautics
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 - Military Technologies
Location: Braunschweig
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Transport Aircraft
Deposited By: Schütte, Andreas
Deposited On:10 Jul 2018 16:20
Last Modified:10 Jul 2018 16:20

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