275 citations
- Centre National de la Recherche ScientifiqueFR262 papers
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- Institut National des Sciences Appliquées de LyonFR136 papers
- Laboratoire de Mécanique des Fluides et d'AcoustiqueFR117 papers
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7 papers · 2 filters
Kolmogorovian active turbulence of a sparse assembly of interacting swimmers
Mickael Bourgoin, Ronan Kervil, Cecile Cottin-Bizonne +3
Active matter, composed of self-propelled entities, forms a wide class of out-of-equilibrium systems that display striking collective behaviors among which the so-called active tur…
Scaling laws in axisymmetric magnetohydrodynamic duct flows
A. Poyé, O. Agullo, N. Plihon +3
We report on a numerical study of axisymmetric flow of liquid metal in a circular duct with rectangular cross-section. The flow is forced through the combination of an axial magnet…
Single-particle Lagrangian statistics from direct numerical simulations of rotating-stratified turbulence
Dhawal Buaria, Alain Pumir, Fabio Feraco +4
Geophysical fluid flows are predominantly turbulent and often strongly affected by the Earth's rotation, as well as by stable density stratification. Using direct numerical simulat…
Diffusiophoresis, Batchelor scale and effective Péclet numbers
Florence Raynal, Romain Volk
We study the joint mixing of colloids and salt released together in a stagnation point or in a globally chaotic flow. In the presence of salt inhomogeneities, the mixing time is st…
Choke flutter instability sources tracking with linearized calculations
Pierre Duquesne, Quentin Rendu, Stéphane Aubert +1
Purpose :The choke flutter is a fluid-structure interaction that can lead to the failure of fan or compressor blade in turbojet engines. In Ultra High Bypass Ratio (UHBR) fan, the…
Importance of fluid inertia for the orientation of spheroids settling in turbulent flow
Muhammad Zubair Sheikh, Kristian Gustavsson, Diego Lopez +4
How non-spherical particles orient as they settle in a flow has important practical implications in a number of scientific and engineering problems. In a quiescent fluid, a slowly…