Physics and modeling of large flow disturbances: discrete gust encounters for modern air vehicles
Gusts of moderate and large magnitude induce flow separation and other complexities when
they interact with the lifting surfaces of air vehicles. The presence of these nonlinear gusts …
they interact with the lifting surfaces of air vehicles. The presence of these nonlinear gusts …
[HTML][HTML] Gusts encountered by flying vehicles in proximity to buildings
There is a growing desire to operate Uncrewed Air Vehicles (UAVs) in urban environments
for parcel delivery, and passenger-carrying air taxis for Advanced Air Mobility (AAM). The …
for parcel delivery, and passenger-carrying air taxis for Advanced Air Mobility (AAM). The …
Review of rotating wing dynamic stall: Experiments and flow control
Dynamic stall has been a technical challenge and a fluid dynamical subject of interest for
more than fifty years; but in the last decade significant advances have been made in the …
more than fifty years; but in the last decade significant advances have been made in the …
A database for reduced-complexity modeling of fluid flows
We present a publicly accessible database specifically designed to aid in the conception,
training, demonstration, evaluation, and comparison of reduced-complexity models for fluid …
training, demonstration, evaluation, and comparison of reduced-complexity models for fluid …
Lift regulation during transverse gust encounters using a modified Goman–Khrabrov model
This paper presents a framework for the estimated state regulation of the lift force for a
maneuvering wing during a transverse gust encounter. An expression for the effective angle …
maneuvering wing during a transverse gust encounter. An expression for the effective angle …
Effect of transverse gust velocity profiles
A large variety of gusts that develop in the atmospheric boundary layer affect aerial vehicles.
This study, performed in water tow tanks, compares the response of a flat plate wing to …
This study, performed in water tow tanks, compares the response of a flat plate wing to …
Physics of gust response mitigation in open-loop pitching manoeuvres
This paper experimentally investigates the flow field development and unsteady loading of
three force-mitigating pitch manoeuvres during a transverse gust encounter. The …
three force-mitigating pitch manoeuvres during a transverse gust encounter. The …
Aerodynamic characterization of a wind generator with 40× 40 individually controllable fans
This study presents an aerodynamic characterization of a fan-array wind generator (FAWG)
operating at Reynolds number of 2.8× 10 6 in a large room. The performance of unmanned …
operating at Reynolds number of 2.8× 10 6 in a large room. The performance of unmanned …
Gust mitigation through closed-loop control. II. Feedforward and feedback control
Wing-gust encounters arising from flight over complex terrain or adverse weather are
unavoidable and cause large lift transients that may result in structural damage due to …
unavoidable and cause large lift transients that may result in structural damage due to …
[HTML][HTML] Gust mitigation with an oscillating airfoil at low Reynolds number
The encounter between micro-aerial vehicles (MAVs) and gusts is often detrimental and
mitigating the effects of the gust is important for operating MAVs under severe environmental …
mitigating the effects of the gust is important for operating MAVs under severe environmental …