Localized shear generates three-dimensional transport.

08:00 EDT 1st April 2017 | BioPortfolio

Summary of "Localized shear generates three-dimensional transport."

Understanding the mechanisms that control three-dimensional (3D) fluid transport is central to many processes, including mixing, chemical reaction, and biological activity. Here a novel mechanism for 3D transport is uncovered where fluid particles are kicked between streamlines near a localized shear, which occurs in many flows and materials. This results in 3D transport similar to Resonance Induced Dispersion (RID); however, this new mechanism is more rapid and mutually incompatible with RID. We explore its governing impact with both an abstract 2-action flow and a model fluid flow. We show that transitions from one-dimensional (1D) to two-dimensional (2D) and 2D to 3D transport occur based on the relative magnitudes of streamline jumps in two transverse directions.


Journal Details

This article was published in the following journal.

Name: Chaos (Woodbury, N.Y.)
ISSN: 1089-7682
Pages: 043102


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