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IUTAM Symposium on Elementary Vortices and Coherent Structures: Significance in Turbulence DynamicsCLUSTERING OF INTENSE STRUCTURES IN ISOTROPIC TURBULENCE: NUMERICAL AND EXPERIMENTAL EVIDENCE

IUTAM Symposium on Elementary Vortices and Coherent Structures: Significance in Turbulence... [The spatial distribution of intense structures in isotropic turbulence is studied from numerical and experimental data. Box-counting of the intense vorticity and strain rate sets gives evidence of a strong clustering at intermediate scales, from which a possible fractal dimension can be defined. Algebraically distributed free intervals between intense velocity derivative from experimental time series confirms this self-similar clustering at larger Reynolds numbers, but without further specifying its dimensionality.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

IUTAM Symposium on Elementary Vortices and Coherent Structures: Significance in Turbulence DynamicsCLUSTERING OF INTENSE STRUCTURES IN ISOTROPIC TURBULENCE: NUMERICAL AND EXPERIMENTAL EVIDENCE

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Publisher
Springer Netherlands
Copyright
© Springer 2006
ISBN
978-1-4020-4180-8
Pages
3 –12
DOI
10.1007/1-4020-4181-0_1
Publisher site
See Chapter on Publisher Site

Abstract

[The spatial distribution of intense structures in isotropic turbulence is studied from numerical and experimental data. Box-counting of the intense vorticity and strain rate sets gives evidence of a strong clustering at intermediate scales, from which a possible fractal dimension can be defined. Algebraically distributed free intervals between intense velocity derivative from experimental time series confirms this self-similar clustering at larger Reynolds numbers, but without further specifying its dimensionality.]

Published: Jan 1, 2006

Keywords: Fractal Dimension; Vorticity Structure; Isotropic Turbulence; Energy Dissipation Rate; Vortex Tube

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