Thin disks falling in air
We experimentally investigate the settling of millimetre-sized thin disks in quiescent air. The
range of physical parameters is chosen to be relevant to plate crystals settling in the …
range of physical parameters is chosen to be relevant to plate crystals settling in the …
Snow particle analyzer for simultaneous measurements of snow density and morphology
The detailed characterization of snow particles is critical for understanding the snow settling
behavior and modeling the ground snow accumulation for various applications such as …
behavior and modeling the ground snow accumulation for various applications such as …
Imaging-based 3D particle tracking system for field characterization of particle dynamics in atmospheric flows
A particle tracking velocimetry apparatus is presented that is capable of measuring three-
dimensional particle trajectories across large volumes, of the order of several meters, during …
dimensional particle trajectories across large volumes, of the order of several meters, during …
Effects of particle size and background rotation on the settling of particle clouds
We experimentally investigate the behavior of instantaneous localized releases of heavy
particles falling as turbulent clouds in quiescent water, both with and without background …
particles falling as turbulent clouds in quiescent water, both with and without background …
How does two-way coupling modify particle settling and the role of multiscale preferential sweeping?
For one-way coupled (1WC) flows, Tom & Bragg (J. Fluid Mech., vol. 871, 2019, pp. 244–
270) advanced the analysis of Maxey (J. Fluid Mech., vol. 174, 1987, pp. 441–465), which …
270) advanced the analysis of Maxey (J. Fluid Mech., vol. 174, 1987, pp. 441–465), which …
Bubble–particle collisions in turbulence: insights from point-particle simulations
Bubble–particle collisions in turbulence are central to a variety of processes such as froth
flotation. Despite their importance, details of the collision process have not received much …
flotation. Despite their importance, details of the collision process have not received much …
A universal scaling law for Lagrangian snowflake accelerations in atmospheric turbulence
We use a novel experimental setup to obtain the vertical velocity and acceleration statistics
of snowflakes settling in atmospheric surface-layer turbulence, for Taylor microscale …
of snowflakes settling in atmospheric surface-layer turbulence, for Taylor microscale …
Introducing the video in situ snowfall sensor (VISSS)
The open source Video In Situ Snowfall Sensor (VISSS) is introduced as a novel instrument
for the characterization of particle shape and size in snowfall. The VISSS consists of two …
for the characterization of particle shape and size in snowfall. The VISSS consists of two …
Turbulence as a key driver of ice aggregation and riming in Arctic low‐level mixed‐phase clouds, revealed by long‐term cloud radar observations
G Chellini, S Kneifel - Geophysical Research Letters, 2024 - Wiley Online Library
Turbulence in clouds is known to enhance particle collision rates, as widely demonstrated
for warm rain formation. A similar impact on ice growth processes is expected but a solid …
for warm rain formation. A similar impact on ice growth processes is expected but a solid …
Turbulence effect on disk settling dynamics
Turbulence can have a strong effect on the fall speed of snowflakes and ice crystals. In this
experimental study, the behaviour of thin disks falling in homogeneous turbulence is …
experimental study, the behaviour of thin disks falling in homogeneous turbulence is …