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Turbulence with combined stratification and rotation: Limitations of Corrsin's hypothesis

Nicolleau, F. and Yu, G. (2007) Turbulence with combined stratification and rotation: Limitations of Corrsin's hypothesis. Physical Review E, 76. 066302. ISSN 1550-2376

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Abstract

The properties of one-particle and particle-pair diffusion in rotating and stratified turbulence are studied by applying the rapid distortion theory to a kinematic simulation of the Boussinesq equation with a Coriolis term. We discuss the simplified Corrsin hypothesis and restrict the validity of its predictions to pure rotation. We emphasize the existence of two regimes driven by very different physics when rotation is present. Particular attention is given to the locality-in-scale hypothesis for two-particle diffusion in both the horizontal and the vertical directions.

Item Type: Article
Copyright, Publisher and Additional Information: © 2007 The American Physical Society. This is an author produced version of a paper published in Physical Review E. Uploaded in accordance with the publisher's self-archiving policy.
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Mechanical Engineering (Sheffield)
Depositing User: Sherpa Assistant
Date Deposited: 21 Feb 2008 14:27
Last Modified: 06 Jun 2014 10:12
Published Version: http://dx.doi.org/10.1103/PhysRevE.76.066302
Status: Published
Publisher: American Physical Society
Refereed: Yes
Identification Number: 10.1103/PhysRevE.76.066302
URI: http://eprints.whiterose.ac.uk/id/eprint/3658

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