Alessio Roccon

Personal Information

Date of Birth: 22/09/1990

Education

PhD in Energetic and Environmental Engineering Science
University of Udine, Italy, 2014-today.
Thesis Advisor: Prof. Soldati Alfredo.
Research Project: Spinodal decomposition in turbulent channel flow.

Master's Degree in Mechanical Engineering,
University of Udine, Italy, 2012-2014.
Thesis Advisor: Prof. De Bona Francesco
Calcolo strutturale di una giunzione alare in materiale composito.

Bachelor's Degree in Mechanical Engineering
University of Udine, Italy, 2009-2012.
Thesis Advisor: Prof. De Bona Francesco.
Dimensionamento di un giunto bullonato per recipiente in pressione.

Mechanical engineering technician
I.T.I.S. G. Galilei, Conegliano, Italy, 2004-2009.

Research

Direct numerical simulation of multiphase turbulence

Figure 1: Swarm of surfactant-laden bubbles released in a turbulent channel flow


Coalescence and breakage of droplets

Figure 2: Time sequence of coalescence (top) and breakage (bottom) events


Spinodal decomposition in a turbulent channel flow

Figure 3: Spinodal decompositon at low Weber number.

Figure 4: Spinodal decompositon at high Weber number.


Rayleigh-Taylor Instability


Figure 5: Rayleigh Taylor instability with density ratio=0.9.

Poster Session

CAE Conference 2020 (Winner)

9th International Conference on Multiphase Flow, May 2016, Florence:

Publications

A. Roccon, M. De Paoli, F. Zonta and A. Soldati (2017), Viscosity-modulated breakup and coalescence of large drops in bounded turbulence, PRF 2(8).

S. Ahmadi, A. Roccon, F. Zonta and A. Soldati (2018), Turbulent drag reduction by a near-wall surface tension active interface, FTAC 100, 979-993.

S. Ahmadi, A. Roccon, F. Zonta and A. Soldati (2018), Turbulent drag reduction in channel flow with viscosity stratified fluids, CEF 176, 260-265.

G. Soligo, A. Roccon and A. Soldati (2019), Coalescence of surfactant-laden drops by Phase Field Method, JCP 376, 1292-1311.

G. Soligo, A. Roccon and A. Soldati (2019), Mass-conservation-improved phase field methods for turbulent multiphase flow simulation, AM 230 (2), 683-696.

A. Roccon, F. Zonta and A. Soldati (2019), Turbulent drag reduction by compliant lubricating layer, JFM 863, R1.

G. Soligo, A. Roccon and A. Soldati (2019), Breakage, coalescence and size distribution of surfactant-laden droplets in turbulent flow, JFM 881, 244-282.

G. Soligo, A. Roccon and A. Soldati (2019), Deformation of clean and surfactant-laden droplets in shear flow, Meccanica, 55, 371-386.

G. Soligo, A. Roccon and A. Soldati (2020), Effect of surfactant-laden droplets on turbulent flow topology, PRF 5(7).

A. Roccon, F. Zonta and A. Soldati (2021), Energy balance in lubricated drag-reduced turbulent channel flow, JFM 911, A37.

A. Roccon, F. Zonta and A. Soldati (2021), Turbulent Flows With Drops and Bubbles: What Numerical Simulations Can Tell Us—Freeman Scholar Lecture, JFE 143, 8.

J Wang, M. Alipour, G. Soligo, A. Roccon, M. De Paoli, F. Picano and A. Soldati (2021), Short-range exposure to airborne virus transmission and current guidelines, PNAS 118, 37.

J Wang, G. Soligo, A. Roccon, G. Sardina, A. Soldati and F. Picano (2022), Modelling the direct virus exposure risk associated with respiratory events, JRSI, 19, 186.

F. Mangani, G. Soligo, A. Roccon and A. Soldati (2022), Influence of density and viscosity on deformation, breakage, and coalescence of bubbles in turbulence, PRF, 7, 053601.