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Some characteristics of thin shear layers in homogeneous turbulent flow.

Worth, NA and Nickels, TB (2011) Some characteristics of thin shear layers in homogeneous turbulent flow. Philos Trans A Math Phys Eng Sci, 369. pp. 709-722. ISSN 1364-503X

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Abstract

Tomographic particle image velocimetry measurements of homogeneous isotropic turbulence that have been made in a large mixing tank facility at Cambridge are analysed in order to characterize thin highly sheared regions that have been observed. The results indicate that such regions coincide with regions of high enstrophy, dissipation and stretching. Large velocity jumps are observed across the width of these regions. The thickness of the shear layers seems to scale with the Taylor microscale, as has been suggested previously. The results discussed here concentrate on examining individual realizations rather than statistics of these regions.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div A > Fluid Mechanics
Div A > Energy
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:33
Last Modified: 19 May 2014 01:13
DOI: 10.1098/rsta.2010.0297

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