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Development of Variable Camber Continuous Trailing Edge Flap for Performance Adaptive Aeroelastic WingThis paper summarizes the recent development of an adaptive aeroelastic wing shaping control technology called variable camber continuous trailing edge flap (VCCTEF). As wing flexibility increases, aeroelastic interactions with aerodynamic forces and moments become an increasingly important consideration in aircraft design and aerodynamic performance. Furthermore, aeroelastic interactions with flight dynamics can result in issues with vehicle stability and control. The initial VCCTEF concept was developed in 2010 by NASA under a NASA Innovation Fund study entitled "Elastically Shaped Future Air Vehicle Concept," which showed that highly flexible wing aerodynamic surfaces can be elastically shaped in-flight by active control of wing twist and bending deflection in order to optimize the spanwise lift distribution for drag reduction. A collaboration between NASA and Boeing Research & Technology was subsequently funded by NASA from 2012 to 2014 to further develop the VCCTEF concept. This paper summarizes some of the key research areas conducted by NASA during the collaboration with Boeing Research and Technology. These research areas include VCCTEF design concepts, aerodynamic analysis of VCCTEF camber shapes, aerodynamic optimization of lift distribution for drag minimization, wind tunnel test results for cruise and high-lift configurations, flutter analysis and suppression control of flexible wing aircraft, and multi-objective flight control for adaptive aeroelastic wing shaping control.
Document ID
20150023531
Acquisition Source
Ames Research Center
Document Type
Conference Paper
Authors
Nguyen, Nhan (NASA Ames Research Center Moffett Field, CA United States)
Kaul, Upender (NASA Ames Research Center Moffett Field, CA United States)
Lebofsky, Sonia (Stinger Ghaffarian Technologies, Inc. (SGT, Inc.) Moffett Field, CA, United States)
Ting, Eric (Stinger Ghaffarian Technologies, Inc. (SGT, Inc.) Moffett Field, CA, United States)
Chaparro, Daniel (Stinger Ghaffarian Technologies, Inc. (SGT, Inc.) Moffett Field, CA, United States)
Urnes, James (Boeing Co. Saint Louis, MO, United States)
Date Acquired
December 28, 2015
Publication Date
September 22, 2015
Subject Category
Aircraft Design, Testing And Performance
Aerodynamics
Report/Patent Number
ARC-E-DAA-TN25273
SAE Paper 15ATC-0250
Meeting Information
Meeting: SAE AeroTech Congress & Exhibition
Location: Seattle, WA
Country: United States
Start Date: September 22, 2015
End Date: September 24, 2015
Sponsors: Society of Automotive Engineers, Inc.
Funding Number(s)
CONTRACT_GRANT: NNA14AA60C
WBS: WBS 081876.02.01.02
Distribution Limits
Public
Copyright
Public Use Permitted.
Keywords
Aircraft
Flight Control
Aeroelasticity

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