Scaling of Low-Order Structure Functions in Homogeneous Turbulence

Details Scaling of Low-Order Structure Functions in Homogeneous Turbulence Scaling of Low-Order Structure Functions in Homogeneous Turbulence

1996-10-04

arxiv.org/abs/chao-dyn/9610010v1

Nonlinear Sciences

Chaotic Dynamics

4 pages, 6 figures

Scientific paper

10.1103/PhysRevLett.77.3799

High-resolution direct numerical simulation data for three-dimensional Navier-Stokes turbulence in a periodic box are used to study the scaling behavior of low-order velocity structure functions with positive and negative powers. Similar to high-order statistics, the low-order relative scaling exponents exhibit unambiguous departures from the Kolmogorov 1941 theory and agree well with existing multiscaling models. No transition from normal scaling to anomalous scaling is observed.

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