44 citations · 82 across the 6 of their papers we have counts for
11 papers · 1 filter
The effect of particle anisotropy on the modulation of turbulent flows
Stefano Olivieri, Ianto Cannon, Marco E. Rosti
We investigate the modulation of turbulence caused by the presence of finite-size dispersed particles. Bluff (isotropic) spheres vs slender (anisotropic) fibers are considered to u…
Universal flapping states of elastic fibers in modulated turbulence
Stefano Olivieri, Andrea Mazzino, Marco E. Rosti
We study the fully-coupled dynamics between a fully-developed turbulent flow and an ensemble of immersed flexible fibers. We vary the concentration of the suspension, the mechanica…
Direct numerical simulation of flapping flags in grid-induced turbulence
Stefano Olivieri, Francesco Viola, Andrea Mazzino +1
A fully-resolved direct-numerical-simulation (DNS) approach for investigating flexible bodies forced by a turbulent incoming flow is designed to study the flapping motion of a flex…
Fiber Tracking Velocimetry for two-point statistics of turbulence
Stefano Brizzolara, Marco Edoardo Rosti, Stefano Olivieri +3
We propose and validate a novel experimental technique to measure two-point statistics of turbulent flows. It consists in spreading rigid fibers in the flow and tracking their posi…
Fluid dynamics of COVID-19 airborne infection suggests urgent data for a scientific design of social distancing
M. E. Rosti, S. Olivieri, M. Cavaiola +2
The COVID-19 pandemic is largely caused by airborne transmission, a phenomenon that rapidly gained the attention of the scientific community. Social distancing is of paramount impo…
Turbulence dictates the fate of virus-containing droplets in violent expiratory events
Marco E. Rosti, Mattia Cavaiola, Stefano Olivieri +2
Violent expiratory events, such as coughing and sneezing, are highly nontrivial examples of a two-phase mixture of liquid droplets dispersed into an unsteady turbulent airflow. Und…