Results 31 to 40 of about 139,402 (244)

Basal complex: a smart wing component for automatic shape morphing

open access: yesCommunications Biology, 2023
Insect wings are adaptive structures that automatically respond to flight forces, surpassing even cutting-edge engineering shape-morphing systems. A widely accepted but not yet explicitly tested hypothesis is that a 3D component in the wing’s proximal ...
Sepehr H. Eraghi   +8 more
doaj   +1 more source

3D-Printed Bio-Inspired Mechanisms for Bird-like Morphing Drones

open access: yesApplied Sciences, 2023
Birds have unique flight characteristics unrivaled by even the most advanced drones due in part to their lightweight morphable wings and tail. Advancements in 3D-printing, servomotors, and composite materials are enabling more innovative airplane designs
Peter L. Bishay   +6 more
doaj   +1 more source

Evaluating the Rationale for Folding Wing Tips Comparing the Exergy and Breguet Approaches [PDF]

open access: yes, 2017
The design and development processes for future aircraft aims to address the environmental and efficiency challenges needed to facilitate the engineering of concepts that are far more integrated and require a multidisciplinary approach.
Hayes, D.   +2 more
core   +1 more source

Geometrically nonlinear electro-aeroelastic framework for morphing wing with piezoelectric actuators

open access: yesNihon Kikai Gakkai ronbunshu, 2019
In this paper, a flexible morphing wing with piezoelectric materials for morphing actuation is studied. The objectives of this paper are 1) to develop an integrated geometrically nonlinear electro-aeroelastic framework, which allows evaluating ...
Natsuki TSUSHIMA   +3 more
doaj   +1 more source

Study on Fluid–Structure Interaction of a Camber Morphing Wing

open access: yesVibration, 2023
The influence of trailing edge deformation on the aerodynamic characteristics of camber morphing wings is an important topic in the aviation field.
Yuanjing Wang   +4 more
doaj   +1 more source

Aerodynamic and aeroacoustic characteristics of a bionic morphing flap

open access: yesEnergy Reports, 2023
Birds adapt to the changing flight conditions by performing intricate feather-movements to manipulate the airflow. The avian wings often undergo seamless transformations at the trailing-edge to achieve camber-reflexes for extended flight envelope.
Md. Zishan Akhter   +2 more
doaj   +1 more source

Optimal Elastic Wing for Flapping-Wing Robots Through Passive Morphing

open access: yesIEEE Robotics and Automation Letters, 2023
Flapping wing robots show promise as platforms for safe and efficient flight in near-human operations, thanks to their ability to agile maneuver or perch at a low Reynolds number. The growing trend in the automatization of these robots has to go hand in hand with an increase in the payload capacity.
Ruiz, Cristina   +3 more
openaire   +2 more sources

Dynamic Analysis and Experiment of Multiple Variable Sweep Wings on a Tandem-Wing MAV

open access: yesDrones, 2023
The current morphing technologies are mostly regarded as auxiliary tools, providing additional control torques to enhance the flight maneuverability of unmanned aerial vehicles (UAVs), and they cannot exist independently of the traditional control ...
Liang Gao   +6 more
doaj   +1 more source

Aerodynamic/Aeroacoustic Numerical Simulation and Manufaturing of a Sample Morphing Wing in Twisted Mode [PDF]

open access: yesفناوری در مهندسی هوافضا, 2023
Inspiring from bird’s wings and flights has long been a fascinating subject. In recent years, due to advent of materials and implementation of bird’s flights, use of morphing wings have created considerable changes in scientific issues related to air ...
Reza Harbi Monfared   +2 more
doaj   +1 more source

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