Aerodynamic characteristics of flexible wings with leading-edge veins in pitch motions

YG Ryu, JW Chang, J Chung - Aerospace Science and Technology, 2019 - Elsevier
To demonstrate the effects of wing deformations on aerodynamic performances during the
wing reversal, aerodynamic force/torque and flow vector-fields were measured. Wing …

Effect of wingtip-curve on aerodynamic performance in flapping flexible wings: rectangular versus hawkmoth-like

YG Ryu, JW Chang - Journal of Visualization, 2025 - Springer
Insects have various wing morphologies and flapping systems to achieve a highly
maneuverable performance at low speed. Among unsteady aerodynamic mechanisms in …

Role of flexibility on the aerodynamic performance of a resonating hummingbird-inspired wing

D Kumar, G Singh, PM Mohite, EM Lau… - The Aeronautical …, 2023 - cambridge.org
This work investigates the role of flexibility and resonant excitation on the deformation
mechanism and aerodynamic performance of flapping wings. A hummingbird-inspired wing …

Aerodynamic characteristics and flow structure of hawkmoth-like wing with LE vein

YG Ryu, JW Chang, J Chung - International Journal of Aeronautical and …, 2022 - Springer
Aerodynamic force and flow vector-fields were measured using a 3-DOF robotic model
mounted with a flexible wing with leading-edge veins to study aerodynamic characteristics in …

Flapping flight in the wake of a leading insect

AT Nguyen, TD Pham, QT Vu - Journal of Mechanical Science and …, 2019 - Springer
This study explores the wake effects of an upstream leading insect on the flight performance
of a following one. The potential-flow based aerodynamic model, which combines the …

Experimental study of 3-DOF hawkmoth hovering motion with rigid and flexible wings

YG Ryu, JW Chang, J Chung - 2018 Applied Aerodynamics …, 2018 - arc.aiaa.org
NSECTS with flapping wings are more maneuverable than conventional aircrafts and have
inspired many researchers to develop flapping micro aerial vehicles (FMAVs). The insect …

[PDF][PDF] Effects of Wing Flexibility on Vortex Behaviors and Aerodynamic Performance in Various Flapping Flights

YG Ryu - 2022 - rshare.library.torontomu.ca
This dissertation presents various studies on vortex structures and aerodynamic
characteristics in flapping flexible wings to offer design considerations for flapping micro …

A disigned method of the surface structure of suspended glass transport device based bionic structure of dragonfly wings

S Gao, B Zhang, J Sun, W Liu - Industrial Lubrication and Tribology, 2020 - emerald.com
Purpose The purpose of this paper is to design a biomimetic surface structure for use in a
glass transport device to enhance the suspension lift of a glass transport unit …

Measurement of forces on a flapping flexible wing in forward flight

YG Ryu, JW Chang, J Chung - AIAA Scitech 2020 Forum, 2020 - arc.aiaa.org
To validate the experimental results of the flapping flexible wing in forward flight, the
force/moment measurements were carried out. The wing model was constrained to the 2 …

Flow visualizations of a flapping chordwise flexible hawkmoth-like wing in hovering flight

YG Ryu, JW Chang, J Chung - 대한기계학회춘추학술대회, 2018 - dbpia.co.kr
Flow structures were measured to elucidate effects of a chordwise flexible hawkmoth-like
wing on aerodynamic force generation during hovering flight. The wing model was …