Modal analysis of fluid flows: Applications and outlook
THE field of fluid mechanics involves a range of rich and vibrant problems with complex
dynamics stemming from instabilities, nonlinearities, and turbulence. The analysis of these …
dynamics stemming from instabilities, nonlinearities, and turbulence. The analysis of these …
Cavitation inception noise excited by a tip leakage vortex with various gap sizes: A Eulerian–Lagrangian investigation
In this paper, the noise characteristics of tip leakage vortex cavitation (TLVC) inception are
numerically investigated using a previously developed hybrid Eulerian–Lagrangian model …
numerically investigated using a previously developed hybrid Eulerian–Lagrangian model …
On the mechanism of trailing vortex wandering
The mechanism of trailing vortex wandering has long been debated and is often attributed to
either wind-tunnel effects or an instability. Using particle image velocimetry data obtained in …
either wind-tunnel effects or an instability. Using particle image velocimetry data obtained in …
Numerical study on wetted and cavitating tip-vortical flows around an elliptical hydrofoil: Interplay of cavitation, vortices, and turbulence
Cavitation in a tip vortex remains a challenging issue in a variety of engineering problems. In
this study, we perform large eddy simulation of wetted and cavitating flows around a …
this study, we perform large eddy simulation of wetted and cavitating flows around a …
Investigations of tip vortex mitigation by using roughness
A Asnaghi, U Svennberg, R Gustafsson… - Physics of Fluids, 2020 - pubs.aip.org
The application of artificial roughness to mitigate tip vortex cavitation inception is analyzed
through numerical and experimental investigations carried out on an elliptical foil. Different …
through numerical and experimental investigations carried out on an elliptical foil. Different …
Vortex formation on squared and rounded tip
M Giuni, RB Green - Aerospace science and technology, 2013 - Elsevier
The vortical flow originated from the tip of a NACA 0012 rectangular wing is described in its
initial formation and development over a rounded and a squared tip. Smoke visualizations …
initial formation and development over a rounded and a squared tip. Smoke visualizations …
[HTML][HTML] Experiment on jet–vortex interaction for variable mutual spacing
The interaction of a line vortex with a collinearly aligned jet is a prototypical configuration for
various important applications in aeronautics. The purpose of this study is to analyze the …
various important applications in aeronautics. The purpose of this study is to analyze the …
Far field behaviour of wingtip vortices under synthetic jet-based control
Wingtip vortices have been proven to be detrimental to both aircraft efficiency and safety due
to their adverse effects such as wake hazard, blade vortex interaction noise and induced …
to their adverse effects such as wake hazard, blade vortex interaction noise and induced …
Structure of trailing vortices: Comparison between particle image velocimetry measurements and theoretical models
The velocity field of the trailing vortex behind a wing at different angles of attack has been
measured through the stereo particle image velocimetry technique in a water tunnel for …
measured through the stereo particle image velocimetry technique in a water tunnel for …
On the effect of active flow control on the meandering of a wing-tip vortex
M Dghim, M Ferchichi, H Fellouah - Journal of Fluid Mechanics, 2020 - cambridge.org
The development of a wing-tip vortex of a rectangular, square-tipped wing having a NACA
0012 airfoil at a chord Reynolds number. Under the most effective configuration, case C3 …
0012 airfoil at a chord Reynolds number. Under the most effective configuration, case C3 …