Testing of folding wingtip for gust load alleviation of flexible high-aspect-ratio wing
RCM Cheung, D Rezgui, JE Cooper, T Wilson - Journal of Aircraft, 2020 - arc.aiaa.org
Folding wingtips have begun to feature on recent aircraft designs, as a solution for
compliance with existing airport gate width regulations while enabling high-aspect-ratio …
compliance with existing airport gate width regulations while enabling high-aspect-ratio …
Testing of a hinged wingtip device for gust loads alleviation
Recent aircraft designs have considered higher-aspect-ratio wings to reduce induced drag
for improved fuel efficiency; however, to remain compliant with airport gate requirements …
for improved fuel efficiency; however, to remain compliant with airport gate requirements …
Sizing of high-aspect-ratio wings with folding wingtips
High-aspect-ratio wings are of particular interest to modern aircraft design due to the
inherent reduction in induced drag that they provide. However, such wing configurations …
inherent reduction in induced drag that they provide. However, such wing configurations …
Passive gust alleviation of a flying-wing aircraft by analysis and wind-tunnel test of a scaled model in dynamic similarity
S He, S Guo, Y Liu, W Luo - Aerospace Science and Technology, 2021 - Elsevier
An investigation was conducted to evaluate the effectiveness of a passive gust alleviation
device (PGAD) installed in a flying-wing aircraft of 62.3 m wing span at large swept back …
device (PGAD) installed in a flying-wing aircraft of 62.3 m wing span at large swept back …
Unsteady aeroelastic analysis of the semi aeroelastic hinge including local geometric nonlinearities
A recent consideration in aircraft design is the use of folding wing tips, with the aim of
enabling higher aspect ratio wings with less induced drag but also meeting airport gate …
enabling higher aspect ratio wings with less induced drag but also meeting airport gate …
Quasi-steady aeroelastic analysis of the semi-aeroelastic hinge including geometric nonlinearities
A recent consideration in aircraft design is the use of folding wingtips, with the aim of
enabling higher-aspect-ratio wings with less induced drag but also meeting airport gate …
enabling higher-aspect-ratio wings with less induced drag but also meeting airport gate …
Design of a morphing wingtip
JE Cooper, I Chekkal, RCM Cheung, C Wales… - Journal of Aircraft, 2015 - arc.aiaa.org
An initial design of a morphing wingtip for a regional jet aircraft is developed and evaluated.
The adaptive wingtip concept is based upon a chiral-type internal structure, enabling …
The adaptive wingtip concept is based upon a chiral-type internal structure, enabling …
Gust alleviation of a large aircraft with a passive twist wingtip
This paper presents an investigation into the gust response and wing structure load
alleviation of a 200-seater aircraft by employing a passive twist wingtip (PTWT). The …
alleviation of a 200-seater aircraft by employing a passive twist wingtip (PTWT). The …
Geometrically nonlinear aeroelastic scaling for very flexible aircraft
Z Wan, CES Cesnik - AIAA Journal, 2014 - arc.aiaa.org
High-aspect-ratio wings present in very flexible aircraft can undergo large deformations,
which results in significant changes in natural frequencies as well as in static and dynamic …
which results in significant changes in natural frequencies as well as in static and dynamic …
Gust response and body freedom flutter of a flying-wing aircraft with a passive gust alleviation device
The effectiveness of a passive gust alleviation device (PGAD) mounted at the wingtip of
aircraft in conventional and flying-wing configurations have been studied in previous …
aircraft in conventional and flying-wing configurations have been studied in previous …