The internal rotation profile of the B-type star KIC 10526294 from frequency inversion of its dipole gravity modes

SA Triana, E Moravveji, PI Pápics, C Aerts… - The Astrophysical …, 2015 - iopscience.iop.org
The internal angular momentum distribution of a star is the key to determining its evolution.
Fortunately, stellar internal rotation can be probed through studies of rotationally split …

Liquid sodium models of the Earth's core

MM Adams, DR Stone, DS Zimmerman… - Progress in Earth and …, 2015 - Springer
Our understanding of the dynamics of the Earth's core can be advanced by a combination of
observation, experiments, and simulations. A crucial aspect of the core is the interplay …

Compressible fluid modes in rigid ellipsoids: towards modal acoustic velocimetry

J Vidal, S Su, D Cébron - Journal of Fluid Mechanics, 2020 - cambridge.org
Motivated by planetary-driven applications and experiments in non-spherical geometries,
we study compressible fluid modes in rotating rigid ellipsoids. Such modes are also required …

Acoustic spectra of a gas-filled rotating spheroid

S Su, D Cébron, HC Nataf, P Cardin, J Vidal… - European Journal of …, 2020 - Elsevier
The acoustic spectrum of a gas-filled resonating cavity can be used to indirectly probe its
internal velocity field. This unconventional velocimetry method is particularly interesting for …

Acoustic modes of rapidly rotating ellipsoids subject to centrifugal gravity

J Vidal, D Cébron - The Journal of the Acoustical Society of America, 2021 - pubs.aip.org
The acoustic modes of a rotating fluid-filled cavity can be used to determine the effective
rotation rate of a fluid (since the resonant frequencies are modified by the flows). To be …

Polynomial description of acoustic modes in fluid ellipsoids

J Vidal, S Su, D Cébron - 22eme Rencontre du Non Linéaire, 2019 - hal.science
Les modes acoustiques sont couramment utilisés pour déterminer les propriétés physiques
de l'intérieur des planètes et des étoiles. La méthode d'imagerie par vélocimétrie acoustique …

CONFERENCE ON MATHEMATICAL GEOPHYSICS 2016 06-10 JUNE, PARIS, FRANCE

DP Lathrop - cmg2016.sciencesconf.org
Strongly nonlinear fluid flows germane to the planetary cores are possible in laboratory
settings. Both measures of nonlinearity, Reynolds and magnetic Reynolds number, can be …

Low-cost Solutions for Velocimetry in Rotating and Opaque Fluid Experiments using Ultrasonic Time of Flight

F Burmann, J Noir, S Beetschen, A Jackson - Experimental Techniques, 2022 - Springer
Many common techniques for flow measurement, such as Particle Image Velocimetry (PIV)
or Ultrasonic Doppler Velocimetry (UDV), rely on the presence of reflectors in the fluid …

Modal acoustic velocimetry: a new technique for rapidly rotating gas–Application to zonal flows

S Su, D Cébron, HC Nataf, P Cardin - nonlineaire.univ-lille1.fr
We present a new laboratory experiment built to study zonal flows induced by thermal
convection, called ZoRo (Zonal flows in Rotating fluids, TuDy ANR). ZoRo is a rapidly …

[PDF][PDF] Polynomial expansion of compressible modes in rotating rigid ellipsoids

J Vidal, S Su, D Cébron - Livret des résumés de la 22 e Rencontre … - nonlineaire.univ-lille1.fr
Fluid eigenmodes are often used to passively infer physical properties of the interiors of
rotating planets and stars [1]. A similar method has been also introduced in fluid dynamics …