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 > Publications T&I 2018

Publications T&I 2018

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Influence of noncondensable gases on thermodynamic control on-ground experiments using a substitute fluid

Article in J. Therm. Sci. Eng. Appl. (2018)

Influence of noncondensable gases on thermodynamic control on-ground experiments using a substitute fluid

Samuel Mer, Jean-Paul Thibault & Christophe Corre

A cryogenic propellant submitted to heat load during long duration space missions tends to vaporize to such an extent that the resulting pressure rise must be controlled to prevent storage (...)

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A New Strategy for Analysis and Visualization of Massively Parallel Computations of Turbulent and Transitional Flows

Article in Notes Num. Fluid Mech. (2018)

A New Strategy for Analysis and Visualization of Massively Parallel Computations of Turbulent and Transitional Flows

Anne Cadiou, Marc Buffat, Bastien Di Pierro, Lionel Le Penven, Christophe Pera

Massively parallel simulations generate increasing volumes of large data, whose exploitation requires large storage resources, efficient network and increasingly large post-processing facilities. (...)

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Influence of source conditions and heat losses on the upwind back-layering flow in a longitudinally ventilated tunnel

Article in Int. J. Heat Mass Transf. (2018)

Influence of source conditions and heat losses on the upwind back-layering flow in a longitudinally ventilated tunnel

Pietro Salizzoni, Mathieu Creyssels, Lei Jiang, A. Mos, R. Mehaddi, O. Vauquelin

We study experimentally the dynamics of a back-layering flow developing below the ceiling of a longitudinally ventilated tunnel, and induced by the presence of a steady source of buoyancy at the (...)

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Small-scale anisotropy induced by spectral forcing and by rotation in non-helical and helical turbulence

Article in J. Turbul. (2018)

Small-scale anisotropy induced by spectral forcing and by rotation in non-helical and helical turbulence

Donato Vallefuoco, Aurore Naso, Fabien S. Godeferd

We study the effect of large-scale spectral forcing on the scale-dependent anisotropy of the velocity field in direct numerical simulations of homogeneous turbulence. ABC-type forcing and helical (...)

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On the Statistical Properties of Turbulent Energy Transfer Rate in the Inner Heliosphere

Article in Solar Physics (2018)

On the Statistical Properties of Turbulent Energy Transfer Rate in the Inner Heliosphere

Luca Sorriso-Valvo, Francesco Carbone, Silvia Perri, Antonella Greco, Raffaele Marino & Roberto Bruno

The transfer of energy from large to small scales in solar wind turbulence is an important ingredient of the long-standing question of the mechanism of the interplanetary plasma heating. Previous (...)

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Settling and collision between small ice crystals in turbulent flows

Article in Phys. Rev. Fluids (2018)

Settling and collision between small ice crystals in turbulent flows

Jennifer Jucha, Aurore Naso, Emmanuel Lévêque, and Alain Pumir

Ice crystals are present in a variety of clouds, at sufficiently low temperature. We consider here mixed-phase clouds which, at temperature ≳−20$^\circ$C, contain ice crystals, shaped approximately (...)

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Level-set simulations of a 2D topological rearrangement in a bubble assembly: effects of surfactant properties

Article in J. Fluid Mech. (2018)

Level-set simulations of a 2D topological rearrangement in a bubble assembly: effects of surfactant properties

A. Titta, M. Le Merrer, F. Detcheverry, P. D. M. Spelt & A.-L. Biance

A liquid foam is a dispersion of gas bubbles in a liquid matrix containing surface-active agents. Its flow involves the relative motion of bubbles, which switch neighbours during a so-called (...)

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Mechanical stirring influence on solute segregation during plane front directional solidification

Article in Int. J. Thermal Science (2018)

Mechanical stirring influence on solute segregation during plane front directional solidification

M. Chatelain, V. Botton, M. Albaric, D. Pelletier, B. Cariteau, D. Abdo, M. Borrelli

The present paper focuses on directional solidification processes for photovoltaic silicon purification. The use of a mechanical stirrer in the melt to enhance impurity segregation is (...)

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Cascades of energy and helicity in axisymmetric turbulence

Article in Phys. Rev. Fluids (2018)

Cascades of energy and helicity in axisymmetric turbulence

Bo Qu, Aurore Naso, & Wouter J. T. Bos

A spectral analysis of strictly axisymmetric turbulence is performed. Both freely decaying and statistically steady flows are considered. In helical flows we identify a dual cascade, where energy (...)

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Nonlinear travelling waves in rotating Hagen-Poiseuille flow

Article in Fluid Dyn. Res. (2018)

Nonlinear travelling waves in rotating Hagen-Poiseuille flow

Benoît Pier & Rama Govindarajan

The dynamics of viscous flow through a rotating pipe is considered. Small-amplitude stability characteristics are obtained by linearizing the Navier—Stokes equations around the base flow and (...)

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