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54 papers · 1 filter
Searching for a source without gradients: how good is infotaxis and how to beat it
Aurore Loisy, Christophe Eloy
Infotaxis is a popular search algorithm designed to track a source of odor in a turbulent environment using information provided by odor detections. To exemplify its capabilities,…
Closely spaced co-rotating helical vortices: Long-wave instability
Andrés Castillo-Castellanos, Stéphane Le Dizès
We consider as base flow the stationary vortex filament solution obtained by Castillo- Castellanos et al. (2021) in the far-wake of a rotor with tip-splitting blades. The cases of…
The 21N-moment multi-temperature coefficients for Zhdanov closure
Madhusudan Raghunathan, Yannick Marandet, Hugo Bufferand +4
We provide the 21N-moment multi-temperature collision coefficients for the Boltzmann collision operator using the Sonine-Hermite polynomial ansatz in the style of Zhdanov et al. Fi…
Roadmap on Wavefront Shaping and deep imaging in complex media
Sylvain Gigan, Ori Katz, Hilton B. de Aguiar +42
The last decade has seen the development of a wide set of tools, such as wavefront shaping, computational or fundamental methods, that allow to understand and control light propaga…
Noble-Abel / First-order virial equations of state for gas mixtures resulting of multiple condensed reactive materials combustion
Richard Saurel, Loann Neron
The Noble-Abel (NA) equation of state (EOS) is widely used in interior ballistics of guns as well as rocket propulsion computations. Its simplicity and accuracy are key points for…
Mechanisms for recirculation cells in granular flows in rotating cylindrical rough tumblers
Umberto d'Ortona, Nathalie Thomas, Richard Lueptow
Friction at the endwalls of partially-filled horizontal rotating tumblers induces curvature and axial drift of particle trajectories in the surface flowing layer. Here we describe…