Physics of gust response mitigation in open-loop pitching manoeuvres

G Sedky, A Gementzopoulos… - Journal of Fluid …, 2022 - cambridge.org
This paper experimentally investigates the flow field development and unsteady loading of
three force-mitigating pitch manoeuvres during a transverse gust encounter. The …

Dimensional analysis of a transverse gust encounter

CM Stutz, JT Hrynuk, DG Bohl - Aerospace Science and Technology, 2023 - Elsevier
A dimensional analysis of transverse gusts was performed using the Buckingham Π theorem
in an effort to standardize their characterization. This analysis identified three key terms that …

Experimental mitigation of large-amplitude transverse gusts via closed-loop pitch control

G Sedky, A Gementzopoulos, FD Lagor, AR Jones - Physical Review Fluids, 2023 - APS
Air vehicles of all scales are susceptible to large-amplitude gusts that may lead to vehicle
damage and instability. Therefore, effective physics-based control strategies and an …

Effects of vehicle dynamics on small UAS-gust encounters

CM Stutz, JT Hrynuk, DG Bohl - Aerospace Science and Technology, 2023 - Elsevier
This study investigates the relative impacts of different gusts on representative small
Uncrewed Air Systems through the use of a simple analytical model. The model uses basic …

Iterative maneuver optimization in a transverse gust encounter

X Xu, A Gementzopoulos, G Sedky, AR Jones… - AIAA Journal, 2023 - arc.aiaa.org
This paper presents a framework based on either iterative simulation or iterative
experimentation for constructing an optimal, open-loop maneuver to regulate the …

Role of vorticity distribution in the rise and fall of lift during a transverse gust encounter

A Gementzopoulos, G Sedky, A Jones - Physical Review Fluids, 2024 - APS
The prediction of gust loads during atmospheric flight can aid in the design, assessment and
certification of aircraft, and can also enhance the reliability of low-inertia vehicles which are …

Characteristics of gusts with different velocity profiles and control parameters

ZR Du, LH Feng, T Wang - Physics of Fluids, 2024 - pubs.aip.org
The characteristics of gust flow are essential for gust response and alleviation. To
investigate the influence of control parameters on gusts with different velocity profiles, four …

Flowfield Analysis of Vortex Interactions During Large Sharp-Edged Gusts

C Bonnet, MJ Smith - AIAA Journal, 2024 - arc.aiaa.org
Uncrewed air vehicles in urban environments will have flights during terminal operations
that are dominated by strong transient aerodynamics. These vehicles are not only lighter …

Lift and vortex development during transverse wing-gust encounters for a blunt-edge airfoil

A Gementzopoulos, G Sedky, A Jones - AIAA Scitech 2022 Forum, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-0045. vid This paper
experimentally investigates the flowfield development and unsteady loading of a blunt …

Navigating unsteady airwakes: Three-dimensionality and sideslip in strong transverse gust encounters

O Wild, A Gementzopoulos, A Jones - AIAA SCITECH 2024 Forum, 2024 - arc.aiaa.org
Aerial vehicles of all scales, but especially smaller vehicles operating in urban
environments, are prone to gusty winds and flow disturbances. Knowledge on the physics of …