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"Bottleneck effect" in two-Dimensional microfluidics
Burriel, Patricia; Claret Bonet, Josep; Ignés i Mullol, Jordi; Sagués i Mestre, Francesc
Universitat de Barcelona
An anomalously long transient is needed to achieve a steady pressurization of a fluid when forced to flow through micronarrowed channels under constant mechanical driving. This phenomenon, known as the "bottleneck effect" is here revisited from a different perspective, by using confined displacements of interfacial fluids. Compared to standard microfluidics, such effect admits in this case a neat quantitative characterization, which reveals intrinsic material characteristics of flowing monolayers and permits to envisage strategies for their controlled micromanipulation.
06-07-2010
Dinàmica de fluids
Pel·lícules fines
Superfícies (Física)
Fluid dynamics
Surfaces and interfaces
Thin films and nanosystems
(c) American Physical Society, 2008
Artículo
American Physical Society
         

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