Vorticity dynamics and stability of the leading-edge vortex on revolving wings
The leading-edge vortex (LEV) is well known for its contribution to the high-lift generation in
a wide variety of biological organisms, such as flying insects, auto-rotating samaras, and …
a wide variety of biological organisms, such as flying insects, auto-rotating samaras, and …
Experimental investigation on the leading-edge vortex formation and detachment mechanism of a pitching and plunging plate
The flow topology and leading-edge vortex (LEV) formation and detachment mechanism of a
pitching and plunging flat plate are experimentally investigated in this study. Focus is placed …
pitching and plunging flat plate are experimentally investigated in this study. Focus is placed …
Vorticity transfer in a leading-edge vortex due to controlled spanwise bending
Many natural flyers and swimmers routinely flex their lifting or propulsive surfaces to control
the leading-edge vortex (LEV) that forms on the suction side during maneuvering at a high …
the leading-edge vortex (LEV) that forms on the suction side during maneuvering at a high …
On the maintenance of an attached leading-edge vortex via model bird alula
Researchers have hypothesized that the post-stall lift benefit of bird's alular feathers, or
alula, stems from the maintenance of an attached leading-edge vortex (LEV) over their thin …
alula, stems from the maintenance of an attached leading-edge vortex (LEV) over their thin …
The effect of dynamic twisting on the flow field and the unsteady forces of a heaving flat plate
C Soto, S Bhattacharya - Bioinspiration & Biomimetics, 2023 - iopscience.iop.org
Many marine animals can dynamically twist their pectoral fins while swimming. The effects of
such dynamic twisting on the unsteady forces on the fin and its surrounding flow field are yet …
such dynamic twisting on the unsteady forces on the fin and its surrounding flow field are yet …
Leading-edge vortex burst on a low-aspect-ratio rotating flat plate
A Medina, AR Jones - Physical Review Fluids, 2016 - APS
This study experimentally investigates the phenomenon of leading-edge-vortex burst on
rotating flat plate wings. An aspect-ratio-2 wing was driven in pure rotation at a Reynolds …
rotating flat plate wings. An aspect-ratio-2 wing was driven in pure rotation at a Reynolds …
[HTML][HTML] Volumetric measurement and vorticity dynamics of leading-edge vortex formation on a revolving wing
Abstract Leading-edge vortex (LEV) is a hallmark of insect flight that forms and remains
stably attached on high angle-of-attack (AoA), low aspect ratio (AR) wings undergoing …
stably attached on high angle-of-attack (AoA), low aspect ratio (AR) wings undergoing …
Flow-induced oscillations of pitching swept wings: stability boundary, vortex dynamics and force partitioning
We study experimentally the aeroelastic instability boundaries and three-dimensional vortex
dynamics of pitching swept wings, with the sweep angle ranging from 0. The structural …
dynamics of pitching swept wings, with the sweep angle ranging from 0. The structural …
Flow criticality governs leading-edge-vortex initiation on finite wings in unsteady flow
Y Hirato, M Shen, A Gopalarathnam… - Journal of Fluid …, 2021 - cambridge.org
Leading-edge-vortex (LEV) formation often characterizes the unsteady flows past airfoils
and wings. Recent research showed that initiation of LEV formation on airfoils in two …
and wings. Recent research showed that initiation of LEV formation on airfoils in two …
A scaling for vortex formation on swept and unswept pitching wings
We examine the dynamics of the leading-edge vortex (LEV) on a rapidly pitching plate with
the aim of elucidating the underlying flow physics that dictates the stability and circulation of …
the aim of elucidating the underlying flow physics that dictates the stability and circulation of …