The present work aims at developing a spectral model for a passive scalar field and its
associated scalar flux in homogeneous anisotropic turbulence. This is achieved using the …

The passive scalar dynamics in a freely decaying turbulent flow is studied. The classical
framework of homogeneous isotropic turbulence without forcing is considered. Both low and …

The temperature fluctuations generated by viscous dissipation in an isotropic turbulent flow
are studied using direct numerical simulation. It is shown that their scaling with Reynolds …

Viscous heating is investigated using high-resolution direct numerical simulations. Scaling
relations are derived and verified for different values of the Reynolds and Prandtl numbers …

Temperature effects on jet noise are not yet well documented in the litterature. The first
experimental studies were performed by Fisher1 and Tanna2 in the seventies. They …

This chapter is devoted to isotropic incompressible turbulence. The main features of related
theories are discussed, along with the recent results: energy spectrum and two-point …

In every turbulent flow with non-zero viscosity, heat is generated by viscous friction. This
heat is then mixed by the velocity field. We consider how heat fluctuations generated in this …

A new numerical formulation for the Eddy-Damped Quasi-Normal Markovian (EDQNM)
model is proposed in the present paper. This formulation is based on an adaptive procedure …

Decaying homogeneous isotropic turbulence with an imposed mean scalar gradient is
investigated numerically, thanks to a specific eddy-damped quasi-normal Markovian closure …

Experimental observation of spontaneous temperature fluctuations in turbulent flows -
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