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10 papers · 2 filters
Transition to chaos in wave memory dynamics in a harmonic well : deterministic and noise-driven behaviour
S. Perrard, M. Labousse
A walker is the association of a sub-millimetric bouncing drop moving along with a co-evolving Faraday wave. When confined in a harmonic potential, its stable trajectories are peri…
Perfect absorption of water waves by linear or nonlinear critical coupling
Eduardo Monsalve, Agnes Maurel, Philippe Petitjeans +1
We report on experiments of perfect absorption for surface gravity waves impinging a wall structured by a subwavelength resonator. By tuning the geometry of the resonator, a balanc…
Secondary flows of viscoelastic fluids in serpentine microchannels
Lucie Ducloue, Laura Casanellas, Simon J. Haward +5
Secondary flows are ubiquitous in channel flows, where small velocity components perpendicular to the main velocity appear due to the complexity of the channel geometry and/or that…
The Self-Sustaining Process in Taylor-Couette Flow
Tommy Dessup, Laurette S. Tuckerman, Jose Eduardo Wesfreid +2
The transition from Tayor vortex flow to wavy-vortex flow is revisited. The Self-Sustaining Process (SSP) of Waleffe [Phys. Fluids 9, 883-900 (1997)] proposes that a key ingredient…
Influence of Langmuir adsorption and viscous fingering on transport of finite size samples in porous media
Chinar Rana, Satyajit Pramanik, Michel Martin +2
We examine the transport in a homogeneous porous medium of a finite slice of a solute which adsorbs on the porous matrix following a Langmuir adsorption isotherm and can influence…
Transport of flexible fibers in confined micro-channels
Jean Cappello, Mathias Bechert, Camille Duprat +3
When transported in confined geometries rigid fibers show interesting transport dynamics induced by friction with the top and bottom walls. Fiber flexibility causes an additional c…