Results 71 to 80 of about 23,423 (133)

Feedforward Unsteady Lift Hysteresis Compensation of Variable Camber Wing Based on Prandtl–Ishlinskii Model

open access: yesMathematics
The maneuvering flight of future aircraft which employ morphing variable camber wings (VCWs) requires rapid and accurate aerodynamic regulation. However, the dynamic lift responses during fast morphing deflection exhibit unsteady hysteresis effects ...
Xiaoming Wang   +4 more
doaj   +1 more source

SMART MORPHING CONCEPTS AND APPLICATIONS FOR ADVANCED LIFTING SURFACES [PDF]

open access: yes, 2009
The aim of this thesis has been the study and implementation of structural solutions for the local or global change of airplanes wing geometry (adaptive wing): they may lead to an increase in aerodynamic efficiency and reduced operating costs and ...
Barbarino, Silvestro
core   +1 more source

Research on Optimal Morphing Strategies for Multi-Performance of UAV

open access: yesMachines
The flying-wing configuration offers inherent advantages in aerodynamic efficiency and stealth; however, conventional fixed-wing designs face fundamental performance trade-offs when tasked with multi-role missions.
Long Tan, Chao Yang, Yu Wang
doaj   +1 more source

Lifting-Line Predictions for the Ideal Twist Effectiveness of Spanwise Continuous and Discrete Control Surfaces

open access: yesApplied Sciences
Modern materials and manufacturing technologies have allowed the construction of morphing wings that are able to continuously vary certain airfoil parameters such as twist, camber, or control surface deflection as a function of span. This work presents a
Zachary S. Montgomery   +2 more
doaj   +1 more source

Design and Analysis of a Novel Mechanism for the Morphing of Trailing Edge of an Aircraft Wing

open access: yesMATEC Web of Conferences, 2018
In this paper, design of a novel deployable scissor-structural mechanism (SSM) for active camber and chord morphing airfoil has been presented. The mechanism is created via combination of one four-bar linkage and various scissor-like elements (SLEs). The
Şahin Harun Levent, Yaman Yavuz
doaj   +1 more source

Study of the Water Vapor Desublimation Effect on the Camber Morphing Wing Considering Cryogenic Environments

open access: yesMachines
The variable camber morphing wing has the potential to achieve improved flight performance across different flight conditions by changing its geometry according to changing flight conditions.
Yu Zhang   +6 more
doaj   +1 more source

Active and Passive Camber Morphing for Helicopter Rotors towards Performance Improvements in Hover and Vertical Flight

open access: yes, 2020
Rotor morphing has been investigated in the past for improvement of rotor performance, either for reduction of rotor power demand or for vibratory load alleviation.

core  

A Soft Robotic Morphing Wing for Unmanned Underwater Vehicles

open access: yesAdvanced Intelligent Systems
Actuators based on soft elastomers offer significant advantages to the field of robotics, providing greater adaptability, improving collision resilience, and enabling shape‐morphing.
Andrea Giordano   +12 more
doaj   +1 more source

Structural assessment and experimental validation of a hybrid composite–polymer trailing-edge morphing wing for low-Reynolds-number UAVs

open access: yesJournal of Engineering and Applied Science
Trailing-edge morphing wings have emerged as a promising solution for enhancing aerodynamic efficiency in low-Reynolds-number unmanned aerial vehicles (UAVs); however, their structural performance under large deformation and actuation-driven loading ...
Siddalingappa P Kodigaddi
doaj   +1 more source

Application of the Morphing Camber Concept to a Regional Aircraft

open access: yes, 2014
The paper summarizes the recent activities performed at inside FP7-NOVEMOR project related to the application of morphing technologies and in particular the variable camber concept.
DE GASPARI, ALESSANDRO   +6 more
core  

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