On the study of transitional low-Reynolds number flows over airfoils operating at high angles of attack and their prediction using transitional turbulence models
J Wauters, J Degroote - Progress in Aerospace Sciences, 2018 - Elsevier
In this survey paper transitional turbulence modeling is approached from the point of view
relevant to small unmanned aerial vehicles (span≈ 1 m), of which the flow is characterized …
relevant to small unmanned aerial vehicles (span≈ 1 m), of which the flow is characterized …
Influence of free-stream turbulence intensity on static and dynamic stall of a NACA 0018 aerofoil
In many engineering applications, aerofoils experience elevated free-stream turbulence
levels. The present work experimentally investigates the effect of free-stream turbulence on …
levels. The present work experimentally investigates the effect of free-stream turbulence on …
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 …
A data-driven nonlinear state-space model of the unsteady lift force on a pitching wing
Accurate unsteady aerodynamic models are essential to estimate the forces on rapidly
pitching wings and to develop model-based controllers. As system identification is arguably …
pitching wings and to develop model-based controllers. As system identification is arguably …
Gust encounters of rigid wings: Taming the parameter space
AR Jones - Physical Review Fluids, 2020 - APS
One of the primary challenges in the study of gust encounters lies in isolating, defining, and
parametrizing a specific problem in a highly unsteady, three-dimensional, and multiscale …
parametrizing a specific problem in a highly unsteady, three-dimensional, and multiscale …
Investigation of static wings interacting with vertical gusts of indefinite length at low Reynolds numbers
A novel gust generator was developed to study the interaction of wings with vertical gusts of
controllable interaction time with magnitudes up to 30% of the freestream velocity at low …
controllable interaction time with magnitudes up to 30% of the freestream velocity at low …
Unsteady lift and moment of a periodically plunging airfoil
To simulate the effects of gusts and maneuvers, lift, moment, and flow measurements are
presented for a periodically plunging airfoil at a Reynolds number of 20,000 over a wide …
presented for a periodically plunging airfoil at a Reynolds number of 20,000 over a wide …
Low-order model for prediction of trailing-edge separation in unsteady flow
Computational and experimental results for pitching and plunging airfoils were used to study
the time lag associated with boundary-layer convection and to develop a model that can be …
the time lag associated with boundary-layer convection and to develop a model that can be …
Deep learning predictions of unsteady aerodynamic loads on an airfoil model pitched over the entire operating range
A Mohamed, D Wood - Physics of Fluids, 2023 - pubs.aip.org
For the design and certification of wind turbines, it is essential to provide fast and accurate
unsteady aerodynamic load prediction models for the whole operational range of angle of …
unsteady aerodynamic load prediction models for the whole operational range of angle of …
Characterization of unsteady separation in a turbulent boundary layer: mean and phase-averaged flow
A spatially developing turbulent boundary layer subject to a space-and time-dependent
pressure gradient is analysed via large-eddy simulation. The unsteadiness is prescribed by …
pressure gradient is analysed via large-eddy simulation. The unsteadiness is prescribed by …