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 …
[HTML][HTML] Near wake hydrodynamics and structural design of a single foil cycloidal rotor in regular waves
We present a hydrodynamic and structural model to design a single foil wave cycloidal rotor
in regular waves. The hydrodynamic part considers potential flow and represents the foil as …
in regular waves. The hydrodynamic part considers potential flow and represents the foil as …
Added-mass force on elliptic airfoils
EJ Limacher - Journal of Fluid Mechanics, 2021 - cambridge.org
Herein, exact algebraic expressions for the non-circulatory (added-mass) forces on elliptic
airfoils are derived for any two-dimensional motion–including simultaneous rectilinear …
airfoils are derived for any two-dimensional motion–including simultaneous rectilinear …
Vortex shedding and induced forces in unsteady flow
M Graham, J Li - The Aeronautical Journal, 2024 - cambridge.org
This survey paper is concerned with vortex shedding from bodies in unsteady flow due
either to time dependent motion of the body in a still fluid or unsteady motion of the fluid …
either to time dependent motion of the body in a still fluid or unsteady motion of the fluid …
Vortex flow of downwind sails
This paper sets out to investigate the vortex flow of spinnaker yacht sails, which are low-
aspect-ratio highly cambered wings used to sail downwind. We tested three model-scale …
aspect-ratio highly cambered wings used to sail downwind. We tested three model-scale …
[HTML][HTML] A leading-edge vortex initiation criteria for large amplitude foil oscillations using a discrete vortex model
K Kamrani Fard, V Ngo, JA Liburdy - Physics of Fluids, 2021 - pubs.aip.org
A leading-edge vortex initiation criterion of an oscillating airfoil is shown to provide a means
to predict the onset of leading-edge separation. This result is found to collapse the …
to predict the onset of leading-edge separation. This result is found to collapse the …
Lift generation mechanism of the leading-edge vortex for an unsteady plate
ZY Li, LH Feng, T Wang, Y Liang - Journal of Fluid Mechanics, 2023 - cambridge.org
The lift generation mechanism of leading-edge vortex (LEV) in the case of a pitching and
plunging plate is studied using an experimental approach and the improved discrete vortex …
plunging plate is studied using an experimental approach and the improved discrete vortex …
Experimental investigation of instantaneous lift on NACA 0018 airfoil section due to a non-harmonic pitching motion
I Lesovoy, R Efrati, O Stalnov - Journal of Fluids and Structures, 2024 - Elsevier
In this study, we explore the problem of an airfoil in a harmonic and arbitrary periodic
pitching motion and seek to understand how theoretical estimation with first-order potential …
pitching motion and seek to understand how theoretical estimation with first-order potential …
Leading-edge-vortex tailoring on unsteady airfoils using an inverse aerodynamic approach
In this paper, we present an approach to obtain a desired leading-edge vortex (LEV)
shedding pattern from unsteady airfoils through the execution of suitable motion kinematics …
shedding pattern from unsteady airfoils through the execution of suitable motion kinematics …
Dynamic responses of pitching hydrofoil in laminar–turbulent transition regime
T Yin, G Pavesi - Journal of Fluids and Structures, 2022 - Elsevier
Recently, the problem of a transitional boundary layer around a pitching foil has been
attracting increasing attention. To determine the underlying physical mechanisms, in this …
attracting increasing attention. To determine the underlying physical mechanisms, in this …