Deformation and breakup of bubbles and drops in turbulence
R Ni - Annual Review of Fluid Mechanics, 2024 - annualreviews.org
Fragmentation of bubbles and droplets in turbulence produces a dispersed phase spanning
a broad range of scales, encompassing everything from droplets in nanoemulsions to …
a broad range of scales, encompassing everything from droplets in nanoemulsions to …
Recent developments of turbulent emulsions in Taylor–Couette flow
Emulsions are common in many natural and industrial settings. Recently, much attention has
been paid to understanding the dynamics of turbulent emulsions. This paper reviews some …
been paid to understanding the dynamics of turbulent emulsions. This paper reviews some …
Role of viscosity in turbulent drop break-up
We investigate drop break-up morphology, occurrence, time and size distribution, through
large ensembles of high-fidelity direct-numerical simulations of drops in homogeneous …
large ensembles of high-fidelity direct-numerical simulations of drops in homogeneous …
The interaction of droplet dynamics and turbulence cascade
The dynamics of droplet fragmentation in turbulence is described by the Kolmogorov-Hinze
framework. Yet, a quantitative theory is lacking at higher concentrations when strong …
framework. Yet, a quantitative theory is lacking at higher concentrations when strong …
[HTML][HTML] FluTAS: A GPU-accelerated finite difference code for multiphase flows
Abstract We present the Fluid Transport Accelerated Solver, FluTAS, a scalable GPU code
for multiphase flows with thermal effects. The code solves the incompressible Navier-Stokes …
for multiphase flows with thermal effects. The code solves the incompressible Navier-Stokes …
[HTML][HTML] A criterion for when an emulsion drop undergoing turbulent deformation has reached a critically deformed state
Turbulent breakup in emulsification devices is a dynamic process. Small viscous drops
undergo a sequence of oscillations before entering the monotonic deformation phase …
undergo a sequence of oscillations before entering the monotonic deformation phase …
[HTML][HTML] Turbulent drop breakup in a simplified high-pressure homogenizer geometry: A comparison of experimental high-speed visualization and numerical …
The breakup of drops is investigated in a scale-up model mimicking the flow in an
emulsification device ie, high-pressure homogenizer (HPH). The breakup phenomenon is …
emulsification device ie, high-pressure homogenizer (HPH). The breakup phenomenon is …
Effect of turbulence intensity and surface tension on the emulsification process and its stationary state—A numerical study
We study turbulent emulsions and the emulsification process in homogeneous isotropic
turbulence (HIT) using direct numerical simulations (DNS) in combination with the volume of …
turbulence (HIT) using direct numerical simulations (DNS) in combination with the volume of …
[HTML][HTML] Deformation and initial breakup morphology of viscous emulsion drops in isotropic homogeneous turbulence with relevance for emulsification devices
This study uses numerical experiments to investigate initial breakup morphology for
conditions similar to those experienced in an emulsification device (eg, a high-pressure …
conditions similar to those experienced in an emulsification device (eg, a high-pressure …
[HTML][HTML] Comparison of turbulent drop breakup in an emulsification device and homogeneous isotropic turbulence: Insights from numerical experiments
Turbulent emulsification is of considerable industrial interest. Nevertheless, numerical
experiments (direct numerical simulations, DNS, with highly resolved interface tracking) …
experiments (direct numerical simulations, DNS, with highly resolved interface tracking) …