Search Results - "Alboussière, T."

Timescale of overturn in a magma ocean cumulate by Morison, A., Labrosse, S., Deguen, R., Alboussière, T.

“…The formation and differentiation of planetary bodies are thought to involve magma oceans stages. We study the case of a planetary mantle crystallizing upwards…”
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On the existence and structure of a mush at the inner core boundary of the Earth by Deguen, R., Alboussière, T., Brito, D.

“…It has been suggested about 20 years ago that the liquid close to the inner core boundary (ICB) is supercooled and that a sizable mushy layer has developed…”
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Double-diffusive translation of Earth’s inner core by Deguen, R, Alboussière, T, Labrosse, S

“…SUMMARY The hemispherical asymmetry of the inner core has been interpreted as resulting from a high-viscosity mode of inner core convection, consisting in a…”
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Mantle convection interacting with magma oceans by Agrusta, R, Morison, A, Labrosse, S, Deguen, R, Alboussiére, T, Tackley, P J, Dubuffet, F

“…SUMMARY The presence of a magma ocean may have characterized the beginning of terrestrial planets and, depending on how the solidification has proceeded, the…”
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Zonal shear and super-rotation in a magnetized spherical Couette-flow experiment by Brito, D, Alboussière, T, Cardin, P, Gagnière, N, Jault, D, La Rizza, P, Masson, J-P, Nataf, H-C, Schmitt, D

“…We present measurements performed in a spherical shell filled with liquid sodium, where a 74-mm-radius inner sphere is rotated while a 210-mm-radius outer…”
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A case for variational geomagnetic data assimilation: insights from a one-dimensional, nonlinear, and sparsely observed MHD system by Fournier, A, Eymin, C, Alboussière, T

“…Secular variations of the geomagnetic field have been measured with a continuously improving accuracy during the last few hundred years, culminating nowadays…”
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Rapidly rotating spherical Couette flow in a dipolar magnetic field: An experimental study of the mean axisymmetric flow by Nataf, H.-C., Alboussière, T., Brito, D., Cardin, P., Gagnière, N., Jault, D., Schmitt, D.

“…In order to explore the magnetostrophic regime expected for planetary cores, in which the Lorentz forces balance the Coriolis forces, experiments have been…”
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Experimental study of super-rotation in a magnetostrophic spherical Couette flow by Nataf, H.-C., Alboussière, T., Brito, D., Cardin, P., Gagnière, N., Jault, D., Masson, J.-P., Schmitt, D.

“…We report measurements of electric potentials at the surface of a spherical container of liquid sodium in which a magnetized inner core is differentially…”
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Weakly nonlinear stability of Hartmann boundary layers by Moresco, P., Alboussière, T.

“…By means of a weakly nonlinear stability analysis it is shown that the Hartmann boundary layer presents subcritical instability in the proximity of the minimum…”
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Upper bound of heat flux in an anelastic model for Rayleigh-B\'enard convection by Alboussière, T, Ricard, Y, Labrosse, S

“…Bounds on heat transfer have been the subject of previous studies concerning convection in the Boussinesq approximation: in the Rayleigh-B\'enard…”
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Stability of Bödewadt–Hartmann layers by Moresco, P., Alboussière, T.

“…The linear stability of the combined Hartmann and Bödewadt boundary layers was studied for a wide range of values of the Elsasser number Λ (the ratio between…”
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Quasi-2D MHD turbulent shear layers by Alboussière, T, Uspenski, V, Moreau, R

“…An experiment has been carried out to investigate the properties of 2D turbulence in a mercury layer in the presence of a steady magnetic field. Visualizations…”
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On the existence and structure of a mush at the inner core boundary of the Earth by Deguen, R., Alboussière, T., Brito, Daniel

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Measurement of solute diffusivities. Part I. Analysis of coupled solute buoyancy-driven convection and mass transport by Maclean, D.J., Alboussière, T.

“…An effective diffusivity model is developed for mass transport by molecular diffusion and unsteady solute buoyancy-driven convection in a horizontal capillary…”
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Bridgman growth: Modelling and experiments by Garandet, J.P., Alboussière, T.

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A case for variational geomagnetic data assimilation: insights from a one-dimensional, nonlinear, and sparsely observed MHD system by Fournier, A., Eymin, C., Alboussière, T.

“…Secular variations of the geomagnetic field have been measured with a continuously improving accuracy during the last few hundred years, culminating nowadays…”
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The influence of convection on the duration of the initial solute transient in alloy crystal growth by Garandet, J.P., Corre, S., Kaddeche, S., Alboussière, T.

“…Our purpose in this work is to analyse in some detail the influence of convection on the formation and the build-up of the solutal boundary layer during the…”
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Rayleigh-Taylor instability during impact cratering experiments by Lherm, V, Deguen, R, Alboussière, T, Landeau, M

“…When a liquid drop strikes a deep pool of a second liquid, an impact crater opens while the liquid of the drop decelerates and spreads on the surface of the…”
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Segregation during horizontal Bridgman growth under an axial magnetic field by Alboussière, T., Neubrand, A.C., Garandet, J.P., Moreau, R.

“…Solute segregation in a dilute metallic alloy is investigated during horizontal Bridgman growth. Experiments have been carried out under a permanent uniform…”
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Stability of Bodewadt-Hartmann layers by Moresco, P, Alboussiere, T

“…The linear stability of the combined Hartmann and Bodewadt boundary layers was studied for a wide range of values of the Elsasser number A (the ratio between…”
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