User profiles for David Fabre

David Fabre

IMFT, University of Toulouse
Verified email at imft.fr
Cited by 2955

Wake-induced oscillatory paths of bodies freely rising or falling in fluids

P Ern, F Risso, D Fabre… - Annual Review of Fluid …, 2012 - annualreviews.org
Leaves falling in air and bubbles rising in water provide daily examples of nonstraight paths
associated with the buoyancy-driven motion of a body in a fluid. Such paths are relevant to a …

Dust emission by powder handling: comparison between numerical analysis and experimental results

R Ansart, A De Ryck, JA Dodds, M Roudet, D Fabre… - Powder Technology, 2009 - Elsevier
The dust generation occurring during the handling of bulk materials in free falls or at the
impact on a stockpile can be a source of danger for the operators health. Proper design of …

The properties of a transport aircraft wake in the extended near field-an experimental study

L Jacquin, D Fabre, P Geffroy, E Coustols - 39th Aerospace Sciences …, 2001 - arc.aiaa.org
An experimental study on the formation and development of the vortex wake behind a small
scale transport aircraft model is presented. The data comprises LDV and hot wire …

Kelvin waves and the singular modes of the Lamb–Oseen vortex

D Fabre, D Sipp, L Jacquin - Journal of Fluid Mechanics, 2006 - cambridge.org
Columnar vortices are known to support a family of waves initially discovered by Lord Kelvin
(1880) in the case of the Rankine vortex model. This paper presents an exhaustive …

Optimal perturbations in a four-vortex aircraft wake in counter-rotating configuration

D Fabre, L Jacquin, A Loof - Journal of Fluid Mechanics, 2002 - cambridge.org
We consider the instability of two vortex pairs in a counter-rotating configuration. Such
configurations model vortex wakes observed behind aircraft with inboard vortices produced at the …

Viscous instabilities in trailing vortices at large swirl numbers

D Fabre, L Jacquin - Journal of Fluid Mechanics, 2004 - cambridge.org
… A more complete description can be found in Fabre (2002). … First, Le Diz`es & Fabre (2004)
have described analytically the structure of the modes away from the neutral curves on the …

Bifurcations and symmetry breaking in the wake of axisymmetric bodies

D Fabre, F Auguste, J Magnaudet - Physics of Fluids, 2008 - pubs.aip.org
We consider the generic problem of wake instabilities past fixed axisymmetric bodies, and
focus on the extreme cases of a sphere and a flat disk. Numerical results reveal that the wakes …

Falling styles of disks

F Auguste, J Magnaudet, D Fabre - Journal of Fluid Mechanics, 2013 - cambridge.org
We numerically investigate the dynamics of thin disks falling under gravity in a viscous fluid
medium at rest at infinity. Varying independently the density and thickness of the disk reveals …

When, how, and why the path of an air bubble rising in pure water becomes unstable

P Bonnefis, D Fabre… - Proceedings of the …, 2023 - National Acad Sciences
Recently, [Herrada, MA and Eggers, JG, Proc. Natl. Acad. Sci. USA 120, e2216830120 (2023)]
reported predictions for the onset of the path instability of an air bubble rising in water and …

Bifurcations in the wake of a thick circular disk

F Auguste, D Fabre, J Magnaudet - Theoretical and Computational Fluid …, 2010 - Springer
Using DNS, we investigate the dynamics in the wake of a circular disk of aspect ratio χ = d/w
= 3 (where d is the diameter and w the thickness) embedded in a uniform flow of magnitude …