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9 papers · 1 filter
In Situ X-Ray Radiography and Tomography Observations of the Solidification of Alumina Particles Suspensions. Part I: Initial Instants
Sylvain Deville, Eric Maire, Audrey Lasalle +4
This paper investigates by in situ high-resolution X-ray radiography and tomography the behaviour of colloidal suspensions of alumina particles during directional solidification by…
Dispersion of Boron Nitride Powders in Aqueous Suspensions with Cellulose
Florian Bouville, Sylvain Deville
The dispersion of nitride and carbide ceramic particles in water is difficult, due to the absence of hydroxyl groups on their surface. Boron nitride is not an exception and despite…
Architectural control of freeze-cast ceramics through additives and templating
Etienne Munch, Eduardo Saiz, Antoni P. Tomsia +1
The freezing of concentrated colloidal suspensions is a complex physical process involving a large number of parameters. These parameters provide unique tools to manipulate the arc…
A pressure impulse theory for hemispherical liquid impact problems
Julien Philippi, Arnaud Antkowiak, Pierre-Yves Lagrée
Liquid impact problems for hemispherical fluid domain are considered. By using the concept of pressure impulse we show that the solution of the flow induced by the impact is reduce…
Resuspension threshold of a granular bed by localized heating
Cyprien Morize, Eric Herbert, Alban Sauret
The resuspension and dispersion of particles occur in industrial fluid dynamic processes as well as environmental and geophysical situations. In this paper, we experimentally inves…
Dynamical control of square microlaser emission via symmetry classes
S. Bittner, A. Loirette-Pelous, C. Lafargue +5
A major objective in photonics is to tailor the emission properties of microcavities which is usually achieved with specific cavity shapes. Yet, the dynamical change of the emissio…