342 citations
- Centre National de la Recherche ScientifiqueFR385 papers
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25 papers · 1 filter
A cascade model for the discontinuous absorbing phase transition between turbulent and laminar flows
Eric Bertin, Alex Andrix, Gaël Le Godais
We introduce a minimal model of energy transfer through scales to describe, at a qualitative level, the subcritical transition between laminar and turbulent flows, viewed in a stat…
Axial dispersion of Red Blood Cells in microchannels
Sylvain Losserand, Gwennou Coupier, Thomas Podgorski
Red Blood Cells flowing in a microchannel undergo dispersion in the flow direction due to the non-uniform velocity profile while transverse migration due to cell-wall interactions…
Unstable growth of bubbles from a constriction
Marc Grosjean, Elise Lorenceau
Bubbles and droplets are ubiquitous in many areas of engineering, including microfluidics where they can serve as microreactors for screening of chemical reactions. They are often…
Impact of droplets onto surfactant-laden thin liquid films
C. R. Constante-Amores, L. Kahouadji, S. Shin +5
We study the effect of insoluble surfactants on the impact of surfactant-free droplets on surfactant-laden thin liquid films via a fully three-dimensional direct numerical simulati…
Low-dimensional Flow Models from high-dimensional Flow data with Machine Learning and First Principles
Nan Deng, Luc R. Pastur, Bernd R. Noack
Reduced-order modelling and system identification can help us figure out the elementary degrees of freedom and the underlying mechanisms from the high-dimensional and nonlinear dyn…
Direct numerical simulations of transient turbulent jets: vortex-interface interactions
Cristian R. Constante-Amores, Lyes Kahouadji, Assen Batchvarov +4
The breakup of an interface into a cascade of droplets and their subsequent coalescence is a generic problem of central importance to a large number of industrial settings such as…