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Taylor Particle Dispersion during Transition to Fully developed Two-Dimensional Turbulence

Xia, Hua; Francois, Nicolas; Punzmann, Horst; Shats, Michael


We report new measurements of single particle dispersion in turbulent two-dimensional (2D) flows. Laboratory experiments in electromagnetically driven and Faraday wave driven turbulence reveal a transition from weakly dispersing superdiffusive regime to strongly dispersing Brownian diffusion as the flow energy is increased in a broad range. The transition to fully developed 2D turbulence is characterized by the topological changes in the fluid particle trajectories and the development of...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.112.104501
Access Rights: Open Access


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