Towards automated statistical partial discharge source classification using pattern recognition techniques

H Janani, B Kordi - High Voltage, 2018 - Wiley Online Library
This study presents a comprehensive review of the automated classification in partial
discharge (PD) source identification and probabilistic interpretation of the classification …

Numerical investigations on flow structure and behavior of vortices in the dynamic stall of an oscillating pitching hydrofoil

HR Karbasian, KC Kim - Ocean Engineering, 2016 - Elsevier
This study numerically investigates the behavior of vortices and flow structure in a dynamic
stall phenomenon, especially in post-stall where the flow is highly nonlinear. Computational …

Vorticity dynamics and stability of the leading-edge vortex on revolving wings

L Chen, B Cheng, J Wu - Physics of Fluids, 2023 - pubs.aip.org
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 …

Experimental investigation on the leading-edge vortex formation and detachment mechanism of a pitching and plunging plate

ZY Li, LH Feng, J Kissing, C Tropea… - Journal of Fluid …, 2020 - cambridge.org
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 …

The role of advance ratio and aspect ratio in determining leading-edge vortex stability for flapping flight

RR Harbig, J Sheridan, MC Thompson - Journal of Fluid Mechanics, 2014 - cambridge.org
The effects of advance ratio and the wing's aspect ratio on the structure of the leading-edge
vortex (LEV) that forms on flapping and rotating wings under insect-like flight conditions are …

Determining the relative stability of leading-edge vortices on nominally two-dimensional flapping profiles

JG Wong, DE Rival - Journal of Fluid Mechanics, 2015 - cambridge.org
It is hypothesized that the relative stability of leading-edge vortices (LEVs) on flapping
profiles can be improved by moderating LEV growth through spanwise vorticity convection …

Aerodynamic mechanisms in bio‐inspired micro air vehicles: a review in the light of novel compound layouts

L Chen, Y Zhang, C Zhou, J Wu - IET Cyber‐Systems and …, 2019 - Wiley Online Library
Modern designs of micro air vehicles (MAVs) are mostly inspired by nature's flyers, such as
hummingbirds and flying insects, which results in the birth of bio‐inspired MAVs. The history …

Vorticity transfer in a leading-edge vortex due to controlled spanwise bending

K Jia, T Scofield, M Wei, S Bhattacharya - Physical Review Fluids, 2021 - APS
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 …

Vorticity transport mechanisms governing the development of leading-edge vortices

JM Akkala, JHJ Buchholz - Journal of Fluid Mechanics, 2017 - cambridge.org
The sequence of events constituting the formation of a leading-edge vortex (LEV) has been
investigated for a periodically plunging nominally two-dimensional flat plate and a similarly …

Volumetric measurement and vorticity dynamics of leading-edge vortex formation on a revolving wing

L Chen, J Wu, B Cheng - Experiments in Fluids, 2019 - Springer
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 …