S
Sébastien Aumaître
Researcher at Centre national de la recherche scientifique
Publications - 56
Citations - 1118
Sébastien Aumaître is an academic researcher from Centre national de la recherche scientifique. The author has contributed to research in topics: Turbulence & Surface wave. The author has an hindex of 18, co-authored 55 publications receiving 988 citations. Previous affiliations of Sébastien Aumaître include École Normale Supérieure & Laajasalon Palloseura.
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Journal ArticleDOI
The von Karman Sodium experiment: Turbulent dynamical dynamos
Romain Monchaux,Michael Berhanu,Sébastien Aumaître,Arnaud Chiffaudel,François Daviaud,Bérengère Dubrulle,Florent Ravelet,Stéphan Fauve,Nicolas Mordant,François Pétrélis,Mickaël Bourgoin,Philippe Odier,Jean-François Pinton,Nicolas Plihon,Romain Volk +14 more
TL;DR: In this article, the self-generation of a stationary dynamo when the flow forcing is R-pi-symmetric, i.e., when the impellers rotate in opposite directions at equal angular velocities, is studied.
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Power injected in dissipative systems and the fluctuation theorem
TL;DR: In this article, the authors consider three examples of dissipative dynamical systems involving many degrees of freedom, driven far from equilibrium by a constant or time dependent forcing and study the statistical properties of injected and dissipated power as well as the fluctuations of the total energy of these systems.
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Chaotic Dynamos Generated by a Turbulent Flow of Liquid Sodium
Florent Ravelet,Michael Berhanu,Romain Monchaux,Sébastien Aumaître,Arnaud Chiffaudel,F. Daviaud,Bérengère Dubrulle,Mickaël Bourgoin,P. Odier,Nicolas Plihon,Jean-François Pinton,Romain Volk,Stéphan Fauve,Nicolas Mordant,François Pétrélis +14 more
TL;DR: The observation of several dynamical regimes of the magnetic field generated by a turbulent flow of liquid sodium (VKS experiment) shows the low dimensional nature of these dynamics is not smeared out by the very strong turbulent fluctuations of the flow.
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Fluctuations of energy flux in wave turbulence.
TL;DR: It is reported that the power driving gravity and capillary wave turbulence in a statistically stationary regime displays fluctuations much stronger than its mean value and the probability density function (PDF) has a most probable value close to zero and involves two asymmetric roughly exponential tails.
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Transition to the ultimate regime in a radiatively driven convection experiment
TL;DR: In this article, the transition between two regimes of heat transport in a radiatively driven convection experiment is described, where a fluid gets heated up within a tunable heating length.