One characteristic trait of space plasmas is the multi-scale dynamics resulting from non-
linear transfers and conversions of various forms of energy. Routinely evidenced in a range …

The complex nonlinear dynamical phenomenon described as turbulence, is known to have
a great impact on fluids, magnetohydrodynamic systems, and on plasmas. This paper …

Fluid dynamics turbulence refers to the chaotic and unpredictable dynamics of flows.
Despite the fact that the equations governing the motion of fluids are known since more than …

A shear-improved Smagorinsky model is introduced based on results concerning mean-
shear effects in wall-bounded turbulence. The Smagorinsky eddy-viscosity is modified as …

The paper describes the energy fluxes simultaneously occurring in the space of scales and
in the physical space of wall-turbulent flows. The unexpected behaviour of the energy fluxes …

Real turbulent flows are difficult to classify as either spatially homogeneous or isotropic.
Nonetheless these idealizations allow the identification of certain universal features …

Kolmogorov's similarity hypotheses and his 4/5 law are valid at very large Reynolds
numbers. For flows encountered in the laboratory, the effect of a finite Reynolds number and …

The statistical properties of wall turbulence in the logarithmic region are investigated using
structure functions of the streamwise velocity. To this end, datasets that span several orders …

The separating and reattaching turbulent flow past a rectangular cylinder is studied to
describe how small and large scales contribute to the sustaining mechanism of the velocity …

The effects of different filtering strategies on the statistical properties of the resolved-to-
subfilter scale (SFS) energy transfer are analysed in forced homogeneous and isotropic …