Fluid Mechanics and Acoustics Laboratory - UMR 5509

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


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Home > Teams > Turbulence & Instabilities > Publications T&I et posters doctorants > Publications T&I 2020

Publications T&I 2020

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Effect of high frequency vibrations on PV silicon purification

Article in Journal of crystal growth (2020)

Effect of high frequency vibrations on PV silicon purification

Samia Bouarab, Faiza Mokhtari, Slim Kaddeche, Daniel Henry, Valéry Botton, Abdessamed Medelfef

Silicon purification for photovoltaic applications is a crucial challenge to improve the energy production performance of solar panels. In the present work, we focus on the metallurgical grade (...)

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Smoke control in tunnel with a transverse ventilation system: An experimental study

Article in Building and Environment (2020)

Smoke control in tunnel with a transverse ventilation system: An experimental study

Fateh Chaabat, Pietro Salizzoni, Mathieu Creyssels, Antoine Mos, Joy Wingrave, Horacio Correia, Massimo Marro

We carried out a series of experiments in a small-scale tunnel to study the confinement of smoke flow between two exhaust vents located on either side of a buoyant source placed at ground level (...)

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The turbulent Faraday instability in miscible fluids

Article in J. Fluid. Mech. (2020)

The turbulent Faraday instability in miscible fluids

Antoine Briard, Louis Gostiaux & Benoît-Joseph Gréa

Experiments of a turbulent mixing zone created by the Faraday instability at the statically stable interface between salt and fresh water are presented. The two-layer system, contained in a (...)

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Nonlinear Effects on the Precessional Instability in Magnetized Turbulence

Article in Atmosphere (2020)

Nonlinear Effects on the Precessional Instability in Magnetized Turbulence

Abdelaziz Salhi, Amor Khlifi & Claude Cambon

By means of direct numerical simulations (DNS), we study the impact of an imposed uniform magnetic field on precessing magnetohydrodynamic homogeneous turbulence with a unit magnetic Prandtl (...)

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Importance of fluid inertia for the orientation of spheroids settling in turbulent flow

Article in J. Fluid. Mech. (2020)

Importance of fluid inertia for the orientation of spheroids settling in turbulent flow

Muhammad Zubair Sheikh, Kristian Gustavsson, Diego Lopez, Emmanuel Lévêque, Bernhard Mehlig, Alain Pumir & Aurore Naso

How non-spherical particles orient as they settle in a flow has important practical implications in a number of scientific and engineering problems. In a quiescent fluid, a slowly settling (...)

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Direct numerical simulations of forced homogeneous isotropic turbulence in a dense gas

Article in Journal of Turbulence (2020)

Direct numerical simulations of forced homogeneous isotropic turbulence in a dense gas

Alexis Giauque, Christophe Corre & Aurélien Vadrot

Direct Numerical Simulations (DNS) of forced homogeneous isotropic turbulence in a dense gas (FC-70), accurately described by a complex EoS, are computed for a turbulent Mach number of 0.8. In a (...)

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Scaling laws in axisymmetric magnetohydrodynamic duct flows

Article in Phys. Rev. Fluids (2020)

Scaling laws in axisymmetric magnetohydrodynamic duct flows

Alexandre Poyé, Olivier Agullo, Nicolas Plihon, Wouter Bos, Victor Desangles & Guillaume Bousselin

We report on a numerical study of axisymmetric flow of liquid metal in a circular duct with a rectangular cross section. The flow is forced through the combination of an axial magnetic field and (...)

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Efficiency of laminar and turbulent mixing in wall-bounded flows

Article in Phys. Rev. E (2020)

Efficiency of laminar and turbulent mixing in wall-bounded flows

Benjamin Kadoch, Wouter Bos & Kai Schneider

A turbulent flow mixes in general more rapidly a passive scalar than a laminar flow does. From an energetic point of view, for statistically homogeneous or periodic flows, the laminar regime is (...)

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Staircase scaling of short-time energy transfer in turbulence

Article in Journal of Turbulence (2020)

Staircase scaling of short-time energy transfer in turbulence

Le Fang, T. Wu & Wouter Bos

It is illustrated that a sharply truncated initial kinetic energy spectrum evolves to a staircase-shaped spectrum at short times. This effect is directly associated with the triadic nature of the (...)

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Analysis of turbulence characteristics in a temporal dense gas compressible mixing layer using direct numerical simulation

Article in J. Fluid. Mech. (2020)

Analysis of turbulence characteristics in a temporal dense gas compressible mixing layer using direct numerical simulation

Aurélien Vadrot, Alexis Giauque & Christophe Corre

This study investigates the effects of a Bethe–Zel’dovich–Thompson (BZT) dense gas (FC-70) on the development of a turbulent compressible mixing layer at a convective Mach number $M_c=1.1$. (...)

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