Global Diffusion in a Realistic Three-Dimensional Time-Dependent Nonturbulent Fluid Flow
Julyan H. E. Cartwright, Mario Feingold, Oreste Piro
Abstract
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 resonance-induced diffusion\/, is generic for a large class of flows.
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