Fluid dynamics of planetary cores: formation, heterogeneous convection and rotational dynamics

Publications

Internal gravity waves in a stratified layer atop a convecting liquid core in a non-rotating spherical shell

Author(s): M Bouffard, B Favier, D Lecoanet, M Le Bars
Published in: Geophysical Journal International, 2022, ISSN 1365-246X
Publisher: Wiley
DOI: 10.1093/gji/ggab343

Dynamics of a reactive spherical particle falling in a linearly stratified fluid

Author(s): Ludovic Huguet, Victor Barge-Zwick, Michael Le Bars
Published in: Physical Review Fluids, Issue 5/11, 2020, Page(s) 114803, ISSN 2469-990X
Publisher: American Physical Society
DOI: 10.1103/physrevfluids.5.114803

Near-resonant instability of geostrophic modes: beyond Greenspan's theorem

Author(s): T. Le Reun, B. Gallet, B. Favier, M. Le Bars
Published in: Journal of Fluid Mechanics, Issue 900, 2020, Page(s) R2, ISSN 0022-1120
Publisher: Cambridge University Press
DOI: 10.1017/jfm.2020.454

Gas giant–like zonal jets in the laboratory

Author(s): Daphné Lemasquerier, Benjamin Favier, Michael Le Bars
Published in: Physical Review Fluids, Issue 5/11, 2020, Page(s) 110506, ISSN 2469-990X
Publisher: American Physical Society
DOI: 10.1103/physrevfluids.5.110506

Plumes in rotating fluid and their transformation into tornados

Author(s): B.R. Sutherland, Y. Ma, M.R. Flynn, D. Frank, P.F. Linden, D. Lemasquerier, M. Le Bars, C. Pacary, T. Jamin, T. Dauxois and S. Joubaud
Published in: Journal of Fluid Mechancis, 2021, ISSN 0022-1120
Publisher: Cambridge University Press
DOI: 10.1017/jfm.2021.618

Dynamics of core-mantle separation: Influence of viscosity contrast and metal/silicate partition coefficients on the chemical equilibrium

Author(s): B. Qaddah; B. Qaddah; Jean-Baptiste Wacheul; V. Clesi; M. Le Bars; Mohamed Ali Bouhifd; Julien Monteux
Published in: Physics of the Earth and Planetary Interiors, Issue 306, 2020, Page(s) 106547, ISSN 0031-9201
Publisher: Elsevier BV
DOI: 10.31223/x5hs34

Evidence of the Zakharov-Kolmogorov spectrum in numerical simulations of inertial wave turbulence

Author(s): Thomas Le Reun, Benjamin Favier, Michael Le Bars
Published in: EPL (Europhysics Letters), 2021, ISSN 0295-5075
Publisher: EDP Sciences
DOI: 10.1209/0295-5075/132/64002

Hysteresis and instabilities in a spheroid in precession near the resonance with the tilt-over mode

Author(s): Clément Nobili, Patrice Meunier, Benjamin Favier, Michael Le Bars
Published in: Journal of Fluid Mechanics, 2021, ISSN 0022-1120
Publisher: Cambridge University Press
DOI: 10.1017/jfm.2020.938

Zonal jets at the laboratory scale: hysteresis and Rossby waves resonance

Author(s): D. Lemasquerier, B. Favier and M. Le Bars
Published in: Journal of Fluid Mechanics, 2021, ISSN 0022-1120
Publisher: Cambridge University Press
DOI: 10.1017/jfm.2020.1000

Low-frequency Variability in Massive Stars: Core Generation or Surface Phenomenon?

Author(s): Eliot Quataert; Louis-Alexandre Couston; Louis-Alexandre Couston; Louis-Alexandre Couston; Adam S. Jermyn; Benjamin Pope; Benjamin Favier; Daniel Lecoanet; Matteo Cantiello; Keaton J. Burns; Michael Le Bars
Published in: The Astrophysical journal letters, Issue 8, 2019, ISSN 2041-8205
Publisher: Institute of Physics Publishing
DOI: 10.3847/2041-8213/ab5446

Fluid Dynamics Experiments for Planetary Interiors

Author(s): Michael Le Bars, Ankit Barik, Fabian Burmann, Daniel P. Lathrop, Jerome Noir, Nathanael Schaeffer & Santiago A. Triana
Published in: Surveys in Geophysics, 2021, ISSN 0169-3298
Publisher: Kluwer Academic Publishers
DOI: 10.1007/s10712-021-09681-1

Coupled convection and internal gravity waves excited in water around its density maximum at 4oC

Author(s): P. Léard, B. Favier, P. Le Gal, and M. Le Bars
Published in: Physical Review Fluids, 2020, ISSN 2469-990X
Publisher: American Physical Society
DOI: 10.1103/physrevfluids.5.024801

Shape and size of large-scale vortices : a universal fluid pattern in geophysical fluid dynamics

Author(s): Michael Le Bars; Louis-Alexandre Couston; Benjamin Favier; Daniel Lecoanet
Published in: Physical Review Research, Issue 15, 2020, Page(s) 023143, ISSN 2643-1564
Publisher: American Physical Society
DOI: 10.1103/physrevresearch.2.023143

Surface manifestation of stochastically excited internal gravity waves

Author(s): Daniel Lecoanet, Matteo Cantiello, Evan H Anders, Eliot Quataert, Louis-Alexandre Couston, Mathieu Bouffard, Benjamin Favier, Michael Le Bars
Published in: Monthly Notices of the Royal Astronomical Society, 2021, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stab2524

Large-scale flow driven by turbulently generated internal gravity waves

Author(s): P. Léard, L. Margaillan, T. Raymond, M. Rouby, and M. Le Bars
Published in: Physical Review Fluids, 2021, ISSN 2469-990X
Publisher: American Physical Society
DOI: 10.1103/physrevfluids.6.084801

Multimodal Excitation to Model the Quasibiennial Oscillation

Author(s): P. Léard, D. Lecoanet, M. Le Bars
Published in: Physical Review Letters, Issue 125/23, 2020, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.125.234501

Remote determination of the shape of Jupiter’s vortices from laboratory experiments

Author(s): Daphné Lemasquerier, Giulio Facchini, Benjamin Favier & Michael Le Bars
Published in: Nature Physics, 2020, ISSN 1745-2473
Publisher: Nature Publishing Group
DOI: 10.1038/s41567-020-0833-9

Inertial Wave Turbulence Driven by Elliptical Instability

Author(s): Thomas Le Reun, Benjamin Favier, Adrian J. Barker, Michael Le Bars
Published in: Physical Review Letters, Issue 119/3, 2017, Page(s) 034502, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.119.034502

Flows driven by libration, precession, and tides in planetary cores

Author(s): Michael Le Bars
Published in: Physical Review Fluids, Issue 1/6, 2016, Page(s) 060505, ISSN 2469-990X
Publisher: American Physical Society
DOI: 10.1103/physrevfluids.1.060505

Experiments on fragmentation and thermo-chemical exchanges during planetary core formation

Author(s): Jean-Baptiste Wacheul, Michael Le Bars
Published in: Physics of the Earth and Planetary Interiors, 2017, ISSN 0031-9201
Publisher: Elsevier BV
DOI: 10.1016/j.pepi.2017.05.018

Dynamics of mixed convective–stably-stratified fluids

Author(s): L.-A. Couston, D. Lecoanet, B. Favier, M. Le Bars
Published in: Physical Review Fluids, Issue 2/9, 2017, Page(s) 094804, ISSN 2469-990X
Publisher: American Physical Society
DOI: 10.1103/physrevfluids.2.094804

Fall and fragmentation of liquid metal in a viscous fluid

Author(s): Jean-Baptiste Wacheul, Michael Le Bars
Published in: Physical Review Fluids, Issue 2/9, 2017, Page(s) 090507, ISSN 2469-990X
Publisher: American Physical Society
DOI: 10.1103/physrevfluids.2.090507

Libration-driven flows in ellipsoidal shells

Author(s): D. Lemasquerier, A. M. Grannan, J. Vidal, D. Cébron, B. Favier, M. Le Bars, J. M. Aurnou
Published in: Journal of Geophysical Research: Planets, Issue 122/9, 2017, Page(s) 1926-1950, ISSN 2169-9097
Publisher: American Geophysical Union
DOI: 10.1002/2017JE005340

Parametric instability and wave turbulence driven by tidal excitation of internal waves

Author(s): Thomas Le Reun, Benjamin Favier, Michael Le Bars
Published in: Journal of Fluid Mechanics, Issue 840, 2018, Page(s) 498-529, ISSN 0022-1120
Publisher: Cambridge University Press
DOI: 10.1017/jfm.2018.18

Order Out of Chaos: Slowly Reversing Mean Flows Emerge from Turbulently Generated Internal Waves

Author(s): Louis-Alexandre Couston, Daniel Lecoanet, Benjamin Favier, Michael Le Bars
Published in: Physical Review Letters, Issue 120/24, 2018, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/PhysRevLett.120.244505

Turbulent Kinematic Dynamos in Ellipsoids Driven by Mechanical Forcing

Author(s): K. Sandeep Reddy, Benjamin Favier, Michael Le Bars
Published in: Geophysical Research Letters, Issue 45/4, 2018, Page(s) 1741-1750, ISSN 0094-8276
Publisher: American Geophysical Union
DOI: 10.1002/2017gl076542

The energy flux spectrum of internal waves generated by turbulent convection

Author(s): Louis-Alexandre Couston, Daniel Lecoanet, Benjamin Favier, Michael Le Bars
Published in: Journal of Fluid Mechanics, Issue 854, 2018, ISSN 0022-1120
Publisher: Cambridge University Press
DOI: 10.1017/jfm.2018.669

Subcritical turbulent condensate in rapidly rotating Rayleigh–Bénard convection

Author(s): Benjamin Favier, Céline Guervilly, Edgar Knobloch
Published in: Journal of Fluid Mechanics, Issue 864, 2019, ISSN 0022-1120
Publisher: Cambridge University Press
DOI: 10.1017/jfm.2019.58

Dynamics and stability of an iron drop falling in a magma ocean

Author(s): B. Qaddah, J. Monteux, V. Clesi, M.A. Bouhifd, M. Le Bars
Published in: Physics of the Earth and Planetary Interiors, Issue 289, 2019, Page(s) 75-89, ISSN 0031-9201
Publisher: Elsevier BV
DOI: 10.1016/j.pepi.2019.02.006

Experimental study of the nonlinear saturation of the elliptical instability: inertial wave turbulence versus geostrophic turbulence

Author(s): Thomas Le Reun, Benjamin Favier, Michael Le Bars
Published in: Journal of Fluid Mechanics, 2019, ISSN 0022-1120
Publisher: Cambridge University Press
DOI: 10.1017/jfm.2019.646

Fluid dynamics of a mixed convective/stably stratified system—A review of some recent works

Author(s): Michael Le Bars; Patrice Le Gal; Daniel Lecoanet; Louis-Alexandre Couston; Pierre Léard; Benjamin Favier
Published in: Comptes Rendus Physique, Issue Volume 21, issue 2, 2020, Page(s) 151-164, ISSN 1878-1535
Publisher: Académie des sciences
DOI: 10.5802/crphys.17

Thermal evolution of a metal drop falling in a less dense, more viscous fluid

Author(s): B. Qaddah, J. Monteux, M. Le Bars
Published in: Physical Review Fluids, Issue 5/5, 2020, Page(s) 053801, ISSN 2469-990X
Publisher: American Physical Society
DOI: 10.1103/physrevfluids.5.053801

Numerical study of the McIntyre instability around Gaussian floating vortices in thermal wind balance

Author(s): Michael Le Bars
Published in: Physical Review Fluids, 2021, ISSN 2469-990X
Publisher: American Physical Society
DOI: 10.1103/physrevfluids.6.093801

Rotational Dynamics of Planetary Cores: Instabilities Driven By Precession, Libration and Tides

Author(s): Thomas Le Reun, Michael Le Bars
Published in: Fluid Mechanics of Planets and Stars, Issue 595, 2020, Page(s) 91-127, ISBN 978-3-030-22073-0
Publisher: Springer International Publishing
DOI: 10.1007/978-3-030-22074-7_4

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