9.1k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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14 papers · 2 filters
Turbulence statistics in a 2D vortex condensate
Anna Frishman, Corentin Herbert
Disentangling the evolution of a coherent mean-flow and turbulent fluctuations, interacting through the non-linearity of the Navier-Stokes equations, is a central issue in fluid me…
Phoresis in turbulent flows
Vishwanath Shukla, Romain Volk, Mickaël Bourgoin +1
Phoresis, the drift of particles induced by scalar gradients in a flow, can result in an effective compressibility, bringing together or repelling particles from each other. Here,…
Synthetic Schlieren -- application to the visualization and characterization of air convection
Nicolas Taberlet, Nicolas Plihon, Lucile Auzémery +3
Synthetic schlieren is an digital image processing optical method relying on the variation of optical index to visualize the flow of a transparent fluid. In this article, we presen…
Surface-wave Doppler velocimetry in a liquid metal: inferring the bifurcations of the subsurface flow
T. Humbert, S. Aumaître, B. Gallet
We introduce a velocimetry technique based on the Doppler-shift of surface waves propagating between an emitter and a receiver. In the limit of scale separation between the wavelen…
Intermittency of quantum turbulence with superfluid fractions from 0% to 96%
Eléonore Rusaouen, Benoît Chabaud, Julien Salort +1
The intermittency of turbulent superfluid helium is explored systematically in a steady wake flow from 1.28 K up to T>2.18K using a local anemometer. This temperature range spans r…
Scaling laws for mixing and dissipation in unforced rotating stratified turbulence
A. Pouquet, D. Rosenberg, R. Marino +1
We present a model for the scaling of mixing in weakly rotating stratified flows characterized by their Rossby, Froude and Reynolds numbers Ro, Fr, Re. It is based on quasi-equipar…
Rayleigh-Bénard convection in a creeping solid with melting and freezing at either or both its horizontal boundaries
Stéphane Labrosse, Adrien Morison, Renaud Deguen +1
Solid state convection can take place in the rocky or icy mantles of planetary objects and these mantles can be surrounded above or below or both by molten layers of similar compos…
Boundary streaming by internal waves
A. Renaud, A. Venaille
Damped internal wave beams in stratified fluids have long been known to generate strong mean flows through a mechanism analogous to acoustic streaming. While the role of viscous bo…
Damping of quasi-2D internal wave attractors by rigid-wall friction
F. Beckebanze, C. Brouzet, I. N. Sibgatullin +1
The reflection of internal gravity waves at sloping boundaries leads to focusing or defocusing. In closed domains, focusing typically dominates and projects the wave energy onto 'w…
Dynamo enhancement and mode selection triggered by high magnetic permeability
Sophia Kreuzahler, Yannick Ponty, Nicolas Plihon +2
We present results from consistent dynamo simulations, where the electrically conducting and incompressible flow inside a cylinder vessel is forced by moving impellers numerically…
Internal wave attractors: different scenarios of instability
Christophe Brouzet, E. V. Ermanyuk, Sylvain Joubaud +2
This paper presents an experimental study of different instability scenarios in a parallelogram-shaped internal wave attractor in a trapezoidal domain filled with a uniformly strat…
Inverse cascades and resonant triads in rotating and stratified turbulence
D. Oks, P. D. Mininni, R. Marino +1
Kraichnan seminal ideas on inverse cascades yielded new tools to study common phenomena in geophysical turbulent flows. In the atmosphere and the oceans, rotation and stratificatio…
Instabilities of Internal Gravity Wave Beams
Thierry Dauxois, Sylvain Joubaud, Philippe Odier +1
Internal gravity waves play a primary role in geophysical fluids: they contribute significantly to mixing in the ocean and they redistribute energy and momentum in the middle atmos…
Statistical model for the orientation of non-spherical particles settling in turbulence
K. Gustavsson, J. Jucha, A. Naso +3
The orientation of small anisotropic particles settling in a turbulent fluid determines some essential properties of the suspension. We show that the orientation distribution of sm…