Transport of two-phase fluids in microfluidics devices
Contacts : Pascal Panizza, Laurent Courbin
Flows of deformable objects in microfluidics networks or porous media are ubiquitous in nature as well as in industry. Illustrative examples include blood circulation, flows of foams and emulsions through porous rocks for enhanced oil recovery and transport of droplets used in digital microfluidics applications. Because of time-delayed feedbacks resulting from non-linear couplings between the flow and the structure of these fluids, these systems exhibit complex dynamics, also observed in traffic flows and in cellular automata . We study the complex dynamics of droplet traffic, the nonlinear cooperative droplet break-ups  resulting from object-to-object hydrodynamic interaction in confined ducts and the emergence of commensurability-driven structural defects in double emulsions produced with microfluidics .
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