Intermittency and Critical Scaling in Annular Couette Flow

Intermittency in spherical Couette dynamos

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Scaling laws and intermittency in homogeneous shear flow

1 Abstract In this paper we discuss the dynamical features of intermittent fluctuations in homogeneous shear flow turbulence. In this flow the energy cascade is strongly modified by the production of turbulent kinetic energy related to the presence of vortical structures induced by the shear. By using direct numerical simulations, we show that the refined Kolmogorov similarity is broken and a n...

Scaling laws and intermittency in phase turbulence

2014 We investigate numerically the statistical properties of the Kuramoto-SivashinskyTsuzuki model [1-3], which describes the phase fluctuations of extended systems near the transition to turbulence. This model has some similarities with hydrodynamic turbulence [4]. The time fluctuations exhibit an unexpected scaling corresponding to anomalous diffusion of the phase. Other results also point t...

Scaling and Intermittency in Animal Behavior

Scale-invariant spatial or temporal patterns and Lévy flight motion have been observed in a large variety of biological systems. It has been argued that animals in general might perform Lévy flight motion with power law distribution of times between two changes of the direction of motion. Here we study the temporal behaviour of nesting gilts. The time spent by a gilt in a given form of activity...

Scaling and intermittency in Burgers turbulence.