LEGI - UMR 5519

Understanding the atmospheric optical turbulence, a challenge for observational astronomy
An essential part of contemporary research in astronomy is based on observations made using large (...)

Micron-scale mechanisms of the unit operations in the dairy industry : from vacuum concentration to spray drying
Similar to other sectors of food production, the dairy industry has undergone (...)

Turbulence Rough and Smooth
Fluid turbulence exhibits strong and seemingly random fluctuations. Despite the highly turbulent nature of the weather and climate systems, we can forecast both quite (...)

Making a Computational Splash : An Enhanced Volume-of-Fluid Framework for Multiscale Atomization Modeling
Liquid sprays surround us and play important roles in our daily lives, in obvious ways (...)

Bubble breakup in turbulence : From stochastic modeling to linear stability analysis
In turbulent flows, bubble fate is controlled by the ratio between inertia and capillarity, namely the Weber (...)

Noise-induced transitions past the onset of a steady symmetry-breaking bifurcation : The case of the sudden expansion
Some nonlinear dynamical systems are metastable : under weak noise, they (...)

L’instrumentation transversale Low-Tech à l’OSUG : développement et animation
En janvier 2025, Hélene Guyard, ingénieure électronicienne, a rejoint l’OSUG en tant qu’animatrice de l’instrumentation (...)

Turbulence at the air-water interface : wave-turbulence interactions & gas transfer
In this talk, we will focus on how turbulence interacts with an air-water interface, with particular (...)

Foam rheology : insights from three-dimensional imaging at the bubble scale
Liquid foams are a model system to study the mechanics of amorphous materials and non-Newtonian fluids. I will present (...)

Measuring, Modeling, and Mimicking Atmospheric Turbulent Processes
Atmospheric turbulence is at the core of many weather phenomena such as rain, fog, storms, and tornadoes, as well as numerous (...)