95 citations · 467 across the 38 of their papers we have counts for
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Rayleigh-Bénard thermal convection in emulsions: a short review
Francesca Pelusi, Andrea Scagliarini, Mauro Sbragaglia +2
Thermally driven emulsions arise in a broad range of natural and industrial contexts, yet their fundamental physical understanding remains only partially established. Emulsions exh…
Role of interfacial stabilization in the Rayleigh-Bénard convection of liquid-liquid dispersions
Francesca Pelusi, Andrea Scagliarini, Mauro Sbragaglia +2
Based on mesoscale lattice Boltzmann numerical simulations, we characterize the Rayleigh-Bénard (RB) convective dynamics of dispersions of liquid droplets in another liquid phase.…
Instabilities of ring-rivulets: Impact of substrate wettability
Stefan Zitz, Andrea Scagliarini, Johan Roenby
Rivulets and droplets are naturally appearing shapes when small amounts of liquid are deposited on a partially wettable substrate. Here we study, by means of numerical simulations,…
Dynamical regimes of thermally convective emulsions
Francesca Pelusi, Andrea Scagliarini, Mauro Sbragaglia +2
Emulsions are paramount in various interdisciplinary topical areas, yet a satisfactory understanding of their behavior in buoyancy-driven thermal flows has not been established. In…
Intermittent thermal convection in jammed emulsions
Francesca Pelusi, Andrea Scagliarini, Mauro Sbragaglia +2
We study the process of thermal convection in jammed emulsions with a yield-stress rheology. We find that heat transfer occurs via an intermittent mechanism, whereby intense short-…
Controlling the dewetting morphologies of thin liquid films by switchable substrates
Stefan Zitz, Andrea Scagliarini, Jens Harting
Switchable and adaptive substrates emerged as valuable tools for the control of wetting and actuation of droplet motion. Here we report a computational study of the dynamics of an…
Rayleigh-Bénard convection of a model emulsion: anomalous heat-flux fluctuations and finite-size droplets effects
Francesca Pelusi, Mauro Sbragaglia, Roberto Benzi +3
We present mesoscale numerical simulations of Rayleigh-Bénard (RB) convection in a two-dimensional model emulsion. The systems under study are constituted of finite-size droplets,…
Lattice Boltzmann simulations of stochastic thin film dewetting
Stefan Zitz, Andrea Scagliarini, Jens Harting
We study numerically the effect of thermal fluctuations and of variable fluid-substrate interactions on the spontaneous dewetting of thin liquid films. To this aim, we use a recent…
Convective heat transfer of a model emulsion at the droplet scale
Francesca Pelusi, Mauro Sbragaglia, Roberto Benzi +3
We numerically study the Rayleigh-Bénard (RB) convection in two-dimensional model emulsions confined between two parallel walls at fixed temperatures. The systems under study are h…
Effective modelling of the Rayleigh-Bénard convection of concentrated emulsions with finite-size droplets
Francesca Pelusi, Mauro Sbragaglia, Roberto Benzi +3
We present mesoscale numerical simulations of Rayleigh-Bénard convection in a two-dimensional concentrated emulsion, confined between two parallel walls, heated from below and cool…
Structure and rheology of suspensions of spherical strain-hardening capsules
Othmane Aouane, Andrea Scagliarini, Jens Harting
We investigate the rheology of strain-hardening spherical capsules, from the dilute to the concentrated regime under a confined shear flow using three-dimensional numerical simulat…
Rayleigh-Taylor turbulence with singular nonuniform initial conditions
Luca Biferale, Guido Boffetta, Alexei A. Mailybaev +1
We perform direct numerical simulations of three dimensional Rayleigh-Taylor turbulence with a nonuniform singular initial temperature background. In such conditions, the mixing la…
Law of the wall in an unstably stratified turbulent channel flow
Andrea Scagliarini, Halldór Einarsson, Ármann Gylfason +1
We perform direct numerical simulations of an unstably stratified turbulent channel flow to address the effects of buoyancy on the boundary layer dynamics and mean field quantities…
Plastic flow of foams and emulsions in a channel
B. Dollet, A. Scagliarini, M. Sbragaglia
In order to understand the flow profiles of complex fluids, a crucial issue concerns the emergence of spatial correlations among plastic rearrangements exhibiting cooperativity flo…
Heat flux scaling in turbulent Rayleigh-Bénard convection with an imposed longitudinal wind
Andrea Scagliarini, Armann Gylfason, Federico Toschi
We present a numerical study of Rayleigh-Bénard convection disturbed by a longitudinal wind. Our results show that under the action of the wind, the vertical heat flux through the…
Reactive Rayleigh-Taylor systems: flame propagation and non-stationarity
A. Scagliarini, L. Biferale, F. Mantovani +3
Reactive Rayleigh-Taylor systems are characterized by the competition between the growth of the instability and the rate of reaction between cold (heavy) and hot (light) phases. We…
Second order closure for stratified convection: bulk region and overshooting
L. Biferale, F. Mantovani, M. Sbragaglia +3
The parameterization of small-scale turbulent fluctuations in convective systems and in the presence of strong stratification is a key issue for many applied problems in oceanograp…
Numerical simulations of compressible Rayleigh-Taylor turbulence in stratified fluids
A. Scagliarini, L. Biferale, M. Sbragaglia +2
We present results from numerical simulations of Rayleigh-Taylor turbulence, performed using a recently proposed lattice Boltzmann method able to describe consistently a thermal co…
Statistics of small scale vortex filaments in turbulence
Luca Biferale, Andrea Scagliarini, Federico Toschi
We study the statistical properties of coherent, small-scales, filamentary-like structures in Turbulence. In order to follow in time such complex spatial structures, we integrate L…