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Numerical and experimental transition results evaluation for a morphing wing and aileron system

Part of: Smart Aircraft

Published online by Cambridge University Press:  12 April 2018

R.M. Botez ,
A. Koreanschi ,
O.S. Gabor ,
Y. Tondji ,
M. Guezguez ,
J.T. Kammegne ,
L.T. Grigorie ,
D. Sandu ,
Y. Mebarki  and
M. Mamou
...Show all authors
R.M. Botez*
Affiliation:
Research Laboratory in Active Control, Avionics and AeroServoElasticity (LARCASE), Ecole de Technologie Superieure, Montreal, Canada
A. Koreanschi
Affiliation:
Research Laboratory in Active Control, Avionics and AeroServoElasticity (LARCASE), Ecole de Technologie Superieure, Montreal, Canada
O.S. Gabor
Affiliation:
Research Laboratory in Active Control, Avionics and AeroServoElasticity (LARCASE), Ecole de Technologie Superieure, Montreal, Canada
Y. Tondji
Affiliation:
Research Laboratory in Active Control, Avionics and AeroServoElasticity (LARCASE), Ecole de Technologie Superieure, Montreal, Canada
M. Guezguez
Affiliation:
Research Laboratory in Active Control, Avionics and AeroServoElasticity (LARCASE), Ecole de Technologie Superieure, Montreal, Canada
J.T. Kammegne
Affiliation:
Research Laboratory in Active Control, Avionics and AeroServoElasticity (LARCASE), Ecole de Technologie Superieure, Montreal, Canada
L.T. Grigorie
Affiliation:
Research Laboratory in Active Control, Avionics and AeroServoElasticity (LARCASE), Ecole de Technologie Superieure, Montreal, Canada
D. Sandu
Affiliation:
Research Laboratory in Active Control, Avionics and AeroServoElasticity (LARCASE), Ecole de Technologie Superieure, Montreal, Canada
Y. Mebarki
Affiliation:
The Aerodynamics Laboratory, NRC Aerospace, Ottawa, Canada
M. Mamou
Affiliation:
The Aerodynamics Laboratory, NRC Aerospace, Ottawa, Canada
F. Amoroso
Affiliation:
University of Naples “Federico II,” Industrial Engineering Dept. - Aerospace Division, Naples, Italy
R. Pecora
Affiliation:
University of Naples “Federico II,” Industrial Engineering Dept. - Aerospace Division, Naples, Italy
L. Lecce
Affiliation:
University of Naples “Federico II,” Industrial Engineering Dept. - Aerospace Division, Naples, Italy
G. Amendola
Affiliation:
The Italian Aerospace Research Center (CIRA), Adaptive Structure Division, Capua (CE), Italy
I. Dimino
Affiliation:
The Italian Aerospace Research Center (CIRA), Adaptive Structure Division, Capua (CE), Italy
A. Concilio
Affiliation:
The Italian Aerospace Research Center (CIRA), Adaptive Structure Division, Capua (CE), Italy
*
ruxandra@gpa.etsmtl.ca
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Abstract

A new wing-tip concept with morphing upper surface and interchangeable conventional and morphing ailerons was designed, manufactured, bench and wind-tunnel tested. The development of this wing-tip model was performed in the frame of an international CRIAQ project, and the purpose was to demonstrate the wing upper surface and aileron morphing capabilities in improving the wing-tip aerodynamic performances. During numerical optimisation with ‘in-house’ genetic algorithm software, and during wind-tunnel experimental tests, it was demonstrated that the air-flow laminarity over the wing skin was promoted, and the laminar flow was extended with up to 9% of the chord. Drag coefficient reduction of up to 9% was obtained when the morphing aileron was introduced.

Keywords

aerodynamicsMorphing Wing TipGenetic Optimization AlgorithmFlow TransitionDrag Coefficient ReductionWind Tunnel TestsMorphing Aileron Classification Description: AerodynamicsAeroelasticityAvionics and SystemsComputational Fluid DynamicsExperimental Fluid Dynamics
Type
Research Article
Information
The Aeronautical Journal , Volume 122 , Issue 1251 , May 2018 , pp. 747 - 784
Copyright
Copyright © Royal Aeronautical Society 2018 

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