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Developing homogeneous isotropic turbulence

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Bos, Wouter J. T., Connaughton, Colm and Godeferd, Fabien. (2012) Developing homogeneous isotropic turbulence. Physica D: Nonlinear Phenomena, Vol.241 (No.3). pp. 232-236. ISSN 01672789

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Official URL: http://dx.doi.org/10.1016/j.physd.2011.02.005

Abstract

We investigate the self-similar evolution of the transient energy spectrum, which precedes the establishment of the Kolmogorov spectrum in homogeneous isotropic turbulence in three dimensions using the EDQNM closure model. The transient evolution exhibits self-similarity of the second kind and has a non-trivial dynamical scaling exponent, which results in the transient spectrum having a scaling that is steeper than the Kolmogorov k−5/3 spectrum. Attempts to detect a similar phenomenon in DNS data are inconclusive, owing to the limited range of scales available.

Item Type:	Journal Article
Subjects:	Q Science > QA Mathematics Q Science > QC Physics
Divisions:	Faculty of Science > Centre for Complexity Science Faculty of Science > Mathematics
Library of Congress Subject Headings (LCSH):	Turbulence
Journal or Publication Title:	Physica D: Nonlinear Phenomena
Publisher:	Elsevier BV
ISSN:	01672789
Official Date:	1 February 2012
Volume:	Vol.241
Number:	No.3
Page Range:	pp. 232-236
Identification Number:	10.1016/j.physd.2011.02.005
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access
Related URLs:	Other Repository
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URI:	http://wrap.warwick.ac.uk/id/eprint/43603