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Investigation of the impact of simplifying the aircraft geometry on the characteristics of the vertical tailplane

Kröhnert, Anna and Gebhardt, Lutz (2013) Investigation of the impact of simplifying the aircraft geometry on the characteristics of the vertical tailplane. In: New Results in Numerical and Experimental Fluid Mechanics VIII Notes on Numerical Fluid Mechanics and Multidisciplinary Design, Vol. 121. Springer Verlag. pp. 1-8. ISBN 978-3-642-35679-7. ISSN 1612-2909

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Abstract

For the planned optimization of the vertical tailplane (VTP) of a Megaliner transport aircraft configuration a prior basic study is undertaken where the influence of simplifying the aircraft geometry on the characteristics of the VTP is examined. Four different configurations with varying simplification level were investigated. These are: a VTP on a base plate, a VTP on a fuselage, a VTP on a fuselage with horizontal tailplane and a VTP on a fuselage with horizontal tailplane, wing and belly fairing. Several flight cases were identified where the characteristics of the VTP are most important and then analyzed by means of numerical flow analysis using the flow solver TAU developed at the German Aerospace Center DLR. Determined are the side force coefficient generated at maximum rudder deflection, the high speed drag, the gradient of the side force coefficient due to rudder deflection and the gradient of the side force coefficient due to sideslip angle. The latter two were evaluated at low and high speed conditions. The simplified configurations were then compared to the most complete one as reference case.

Item URL in elib:https://elib.dlr.de/79145/
Document Type:Contribution to a Collection
Title:Investigation of the impact of simplifying the aircraft geometry on the characteristics of the vertical tailplane
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kröhnert, Annaanna.kroehnert (at) dlr.deUNSPECIFIED
Gebhardt, LutzUNSPECIFIEDUNSPECIFIED
Date:2013
Journal or Publication Title:New Results in Numerical and Experimental Fluid Mechanics VIII
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:Vol. 121
Page Range:pp. 1-8
Publisher:Springer Verlag
Series Name:Notes on Numerical Fluid Mechanics and Multidisciplinary Design
ISSN:1612-2909
ISBN:978-3-642-35679-7
Status:Published
Keywords:Vertical Tailplane, Optimization, DLR Tau-code
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation & Validation (old)
Location: Braunschweig
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Transport Aircraft
Deposited By: Kröhnert, Anna
Deposited On:23 Apr 2013 15:23
Last Modified:27 Feb 2015 11:56

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