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The Spatial Structure of Homogeneous Turbulence at High Reynolds Number

Published online by Cambridge University Press:  12 April 2016

A. Vincent  and
M. Meneguzzi
A. Vincent
Affiliation:
CERFACS, 42 av. G. Coriolis, 31057 Toulouse, France
M. Meneguzzi
Affiliation:
CERFACS, 42 av. G. Coriolis, 31057 Toulouse, France

Abstract

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A direct numerical simulation at resolution 2403 is used to obtain a statistically stationary three-dimensional homogeneous and isotropic turbulent field at a Reynolds number around 1000 (Rλ ≈ 150). The energy spectrum displays an inertial subrange extending over more than one decade. In the physical space, the strongest vorticity is organized in very elongated thin tubes. The typical length of a tube is around the integral scale of the flow and its thickness is a few dissipation scales.

Type
Part I Convection and turbulence as the basis of magnetic activity
Information
International Astronomical Union Colloquium , Volume 130: The Sun and Cool Stars: activity, magnetism, dynamos , 1991 , pp. 75 - 79
Copyright
Copyright © Springer-Verlag 1991

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