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Transonic Numerical and Experimental Evaluation of Unconventional Lambda Wing Control Surfaces

Paul, Michael and Rein, Martin (2016) Transonic Numerical and Experimental Evaluation of Unconventional Lambda Wing Control Surfaces. Journal of Aircraft (53), pp. 1139-1149. American Institute of Aeronautics and Astronautics (AIAA). DOI: 10.2514/1.C034080 ISSN 0021-8669

Full text not available from this repository.

Official URL: http://arc.aiaa.org/doi/10.2514/1.C034080

Abstract

Lambda wing configurations are known to possess challenging flight characteristics at transonic Mach numbers. This study tests various methods for increasing the maneuverability and stability of the SACCON, a generic lambda wing configuration. Several control concepts are presented and tested to determine their effects on the lateral-directional and longitudinal stability of the aircraft. The first category of control concepts uses smooth surface deformations of the wing tips to eliminate control surface gaps found with traditional flap-based systems. The second category uses panel deflections on the upper surface of the aircraft. Each concept is simulated at Mach numbers in the range of 0.5≤M∞≤0.850.5≤M∞≤0.85 using the TAU code of the German Aerospace Center (DLR), with subsequent wind tunnel tests taking place in the Transonic Wind Tunnel of the German–Dutch Wind Tunnels (DNW-TWG) in Göttingen, Germany. The main flow features created by each control device and the Mach number effects are discussed, as are their effects on the aircraft’s aerodynamic performance. The smooth wing-tip deformations isolate the control derivatives and are best able to enhance lateral-directional stability. The upper surface devices create a more complicated response but offer more immediate application due to their reliance on firmly established technology.

Item URL in elib:https://elib.dlr.de/110273/
Document Type:Article
Additional Information:article in advance: 2016
Title:Transonic Numerical and Experimental Evaluation of Unconventional Lambda Wing Control Surfaces
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Paul, MichaelU.S. Air Force Research Laboratory, Kirtland Air Force Base, New Mexico 87117UNSPECIFIED
Rein, Martinmartin.rein (at) dlr.deUNSPECIFIED
Date:2016
Journal or Publication Title:Journal of Aircraft
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.2514/1.C034080
Page Range:pp. 1139-1149
Publisher:American Institute of Aeronautics and Astronautics (AIAA)
ISSN:0021-8669
Status:Published
Keywords:lambda wing, delta wing, control surfaces, tailless configuration
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: Göttingen
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > High Speed Configurations, GO
Deposited By: Bachmann, Barbara
Deposited On:06 Jan 2017 13:56
Last Modified:08 Mar 2018 18:41

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