1932

Abstract

Two-particle dispersion is of central importance to a wide range of natural and industrial applications. It has been an active area of research since Richardson's (1926) seminal paper. This review emphasizes recent results from experiments, high-end direct numerical simulations, and modern theoretical discussions. Our approach is complementary to Sawford's (2001), whose review focused primarily on stochastic models of pair dispersion. We begin by reviewing the theoretical foundations of relative dispersion, followed by experimental and numerical findings for the dissipation subrange and inertial subrange. We discuss the findings in the context of the relevant theory for each regime. We conclude by providing a critical analysis of our current understanding and by suggesting paths toward further progress that take full advantage of exciting developments in modern experimental methods and peta-scale supercomputing.

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/content/journals/10.1146/annurev.fluid.40.111406.102224
2009-01-21
2024-06-24
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  • Article Type: Review Article
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