Global Diffusion in a Realistic Three-Dimensional Time-Dependent Nonturbulent Fluid Flow

Beer-Sheva; Ben-Gurion University; Israel); Julyan H.E. Cartwright (Departament de F\'isica; Mario Feingold (Department of Physics; Oreste Piro (Departament de F\'isica; Palma de Mallorca; Spain); Universitat de les Illes Balears

arxiv: chao-dyn/9510007 · v1 · pith:DPRHNOLBnew · submitted 1995-10-13 · chao-dyn · nlin.CD· physics.flu-dyn

Global Diffusion in a Realistic Three-Dimensional Time-Dependent Nonturbulent Fluid Flow

Julyan H.E. Cartwright (Departament de F\'isica , Universitat de les Illes Balears , Palma de Mallorca , Spain) , Mario Feingold (Department of Physics , Ben-Gurion University , Beer-Sheva , Israel)

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Oreste Piro (Departament de F\'isica

This is my paper

classification chao-dyn nlin.CDphysics.flu-dyn

keywords diffusionflowfluidglobalnonturbulentthree-dimensionaltime-dependentadvection

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We introduce and study the first model of an experimentally realizable three-dimensional time-dependent nonturbulent fluid flow to display the phenomenon of global diffusion of passive-scalar particles at arbitrarily small values of the nonintegrable perturbation. This type of chaotic advection, termed {\it resonance-induced diffusion\/}, is generic for a large class of flows.

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Global Diffusion in a Realistic Three-Dimensional Time-Dependent Nonturbulent Fluid Flow

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