Laboratoire de Mécanique des Fluides et d'Acoustique - UMR 5509

LMFA - UMR 5509
Laboratoire de Mécanique des Fluides et d’Acoustique
Lyon
France


Nos tutelles

Nos partenaires




Accueil > Équipes > Turbulence & Instabilités > Publications T&I

Publications T&I

La liste des publications de l’équipe peut être obtenue à partir de la base de publications du LMFA. Ci-dessous nos publications récentes en images. Retrouvez toutes nos publications du quadriennal en 2014, 2015, 2016, 2017, 2018 et 2019.

Bifurcations from steady to quasi-periodic flows in a laterally heated cavity filled with low Prandtl number fluids

Article dans J. Fluid Mech. (2019)

Bifurcations from steady to quasi-periodic flows in a laterally heated cavity filled with low Prandtl number fluids

Abdessamed Medelfef, Daniel Henry, Ahcene Bouabdallah & Slim Kaddeche

This study deals with the transition toward quasi-periodicity of buoyant convection generated by a horizontal temperature gradient in a three-dimensional parallelepipedic cavity with dimensions (...)

Lire la suite

Instabilities in viscosity-stratified two-fluid channel flow over an anisotropic-inhomogeneous porous bottom

Article dans Phys. Fluids (2019)

Instabilities in viscosity-stratified two-fluid channel flow over an anisotropic-inhomogeneous porous bottom

Geetanjali Chattopadhyay, Usha Ranganathan & Séverine Millet

A linear stability analysis of a pressure driven, incompressible, fully developed laminar Poiseuille flow of immiscible two-fluids of stratified viscosity and density in a horizontal channel (...)

Lire la suite

The size and lifetime of organised eddies in a non-solid-body rotating turbulence experiment

Article dans Eur. J. Mech. B-Fluids (2019)

The size and lifetime of organised eddies in a non-solid-body rotating turbulence experiment

Lian Gan & Andrea Maffioli

This paper follows our previous study of forced non-solid-body rotating turbulence and summarises results on the eddy size and lifetime in the same flow. The experiment is conducted in a (...)

Lire la suite

A new strategy for the numerical modeling of a weld pool

Article dans Comptes Rendus Mécanique (2018)

A new strategy for the numerical modeling of a weld pool

Yassine Saadlaoui, Éric Feulvarch, Alexandre Delache, Jean-Baptiste Leblond & Jean-Michel Bergheau

Welding processes involve high temperatures and metallurgical and mechanical consequences that must be controlled. For this purpose, numerical simulations have been developed to study the effects (...)

Lire la suite

Vertical drafts and mixing in stratified turbulence : Sharp transition with Froude number

Article dans Europhys. Lett. (2018)

Vertical drafts and mixing in stratified turbulence : Sharp transition with Froude number

Fabio Feraco, Raffaele Marino, Alain Pumir, Leonardo Primavera, Pablo D. Mininni, Annick Pouquet & Duane Rosenberg

We investigate the large-scale intermittency of vertical velocity and temperature, and the mixing properties of stably stratified turbulent flows using both Lagrangian and Eulerian fields from (...)

Lire la suite

Three-dimensional instability of a flow past a sphere : Mach evolution of the regular and Hopf bifurcations

Article dans J. Fluid Mech. (2018)

Three-dimensional instability of a flow past a sphere : Mach evolution of the regular and Hopf bifurcations

Andrea Sansica, Jean-Christophe Robinet, Frédéric Alizard & Éric Goncalvès

A fully three-dimensional linear stability analysis is carried out to investigate the unstable bifurcations of a compressible viscous fluid past a sphere. A time-stepper technique is used to (...)

Lire la suite

A flow-pattern map for phase separation using the Navier–Stokes–Cahn–Hilliard model

Article dans Eur. J. Mech. B-Fluids (2018)

A flow-pattern map for phase separation using the Navier–Stokes–Cahn–Hilliard model

Aurore Naso & Lennon Ó Náraigh

We use the Navier–Stokes–Cahn–Hilliard model equations to simulate phase separation with flow. We study coarsening — the growth of extended domains wherein the binary mixture phase separates into its (...)

Lire la suite

Spectral energy scaling in precessing turbulence

Article dans Phys. Rev. E (2018)

Spectral energy scaling in precessing turbulence

A. Khlifi, A. Salhi, S. Nasraoui, F. Godeferd & C. Cambon

We study precessing turbulence, which appears in several geophysical and astrophysical systems, by direct numerical simulations of homogeneous turbulence where precessional instability is (...)

Lire la suite

Numerical analysis of the flapping mechanism for a two-phase coaxial jet

Article dans Int. J. Multiph. Flow (2018)

Numerical analysis of the flapping mechanism for a two-phase coaxial jet

Nicolas Odier, Guillaume Balarac & Christophe Corre

A numerical study of a coaxial liquid jet sheared by an annular high-speed stream is performed at moderate density and velocity ratio between phases. The destabilization mechanism of the jet is (...)

Lire la suite

Turbulence and turbulent pattern formation in a minimal model for active fluids

Article dans Phys. Rev. Fluids (2018)

Turbulence and turbulent pattern formation in a minimal model for active fluids

Martin James, Wouter J. T. Bos, and Michael Wilczek

Active matter systems display a fascinating range of dynamical states, including stationary patterns and turbulent phases. While the former can be tackled with methods from the field of pattern (...)

Lire la suite

Advanced spectral anisotropic modelling for shear flows

Article dans J. Turbul. (2018)

Advanced spectral anisotropic modelling for shear flows

Antoine Briard, T Gomez & Claude Cambon

In this work, the spectral modelling developed in MCS (Mons, Cambon, Sagaut. J Fluid Mech. 2016) for shear-driven turbulence is further analysed and then improved. First, using self-similarity (...)

Lire la suite