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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

Dates:

Date	Event
1 February 2012	Published

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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