384 citations
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10 papers · 1 filter
Viscosity effects in wind wave generation
Anna Paquier, Frederic Moisy, Marc Rabaud
We investigate experimentally the influence of the liquid viscosity on the problem of the generation of waves by a turbulent wind at the surface of a liquid, extending the results…
Two-dimensionalization of the flow driven by a slowly rotating impeller in a rapidly rotating fluid
Nathanaël Machicoane, Frédéric Moisy, Pierre-Philippe Cortet
We characterize the two-dimensionalization process in the turbulent flow produced by an impeller rotating at a rate in a fluid rotating at a rate around the same axis for R…
Three dimensional simulations of viscous folding in diverging microchannels
Bingrui Xu, Jalel Chergui, Seungwon Shin +1
Three dimensional simulations on the viscous folding in diverging microchannels reported by Cubaud and Mason are performed using the parallel code BLUE for multi-phase flows. The m…
Experimental evidences of the Gardner phase in a granular glass
Antoine Seguin, Olivier Dauchot
Analyzing the dynamics of a vibrated bi-dimensional packing of bidisperse granular discs below jamming, we provide evidences of a Gardner phase deep into the glass phase. To do so…
Velocity fluctuations and population distribution in clusters of settling particles at low Reynolds number
A. Boschan, B. L. Ocampo, M. Annichini +1
A study on the spatial organization and velocity fluctuations of non Brownian spherical particles settling at low Reynolds number in a vertical Hele-Shaw cell is reported. The part…
Turbulent drag in a rotating frame
Antoine Campagne, Nathanaël Machicoane, Basile Gallet +2
What is the turbulent drag force experienced by an object moving in a rotating fluid? This open and fundamental question can be addressed by measuring the torque needed to drive an…