[HTML][HTML] Drag coefficient prediction of complex-shaped snow particles falling in air beyond the Stokes regime
G Tagliavini, M McCorquodale, C Westbrook… - International Journal of …, 2021 - Elsevier
This study considers complex ice particles falling in the atmosphere: predicting the drag of
such particles is important for developing of climate models parameterizations. A Delayed …
such particles is important for developing of climate models parameterizations. A Delayed …
Effect of porosity on the kinematics of free-falling porous disks
W Zhang, D Bi, Y Wei - Physics of Fluids, 2023 - pubs.aip.org
The effects of porosity on the kinematics of porous disks are investigated experimentally. A
new falling motion is identified, namely, spiral irregular motion, which is characterized by the …
new falling motion is identified, namely, spiral irregular motion, which is characterized by the …
Falling styles of perforated disks
W Zhang, D Bi, Y Wei - International Journal of Multiphase Flow, 2023 - Elsevier
We experimentally investigate the dynamics of thin perforated disks freely falling under
gravity in still water. With a stereo vision system, three-dimensional paths are reconstructed …
gravity in still water. With a stereo vision system, three-dimensional paths are reconstructed …
Accurate predictions of chaotic motion of a free fall disk
It is important to know the accurate trajectory of a free fall object in fluid (such as a
spacecraft), whose motion might be chaotic in many cases. However, it is impossible to …
spacecraft), whose motion might be chaotic in many cases. However, it is impossible to …
Numerical analysis of the wake of complex-shaped snow particles at moderate Reynolds number
G Tagliavini, M McCorquodale, C Westbrook… - Physics of …, 2021 - pubs.aip.org
Climate model parametrization relies strongly on the prediction of snow precipitation, which
in turn depends upon the snowflakes falling motion in air. The falling attitudes of such …
in turn depends upon the snowflakes falling motion in air. The falling attitudes of such …
Wake characteristics of complex-shaped snow particles: Comparison of numerical simulations with fixed snowflakes to time-resolved particle tracking velocimetry …
G Tagliavini, MH Khan, M McCorquodale… - Physics of …, 2022 - pubs.aip.org
Experimental and numerical approaches have their own advantages and limitations, in
particular, when dealing with complex phenomena such as snow particles falling at …
particular, when dealing with complex phenomena such as snow particles falling at …
TRAIL part 2: A comprehensive assessment of ice particle fall speed parametrisations
MW McCorquodale… - Quarterly Journal of the …, 2021 - Wiley Online Library
Results are presented from a comprehensive experimental campaign studying the
aerodynamics of 3D‐printed analogues of ice particles. Measurements of the drag …
aerodynamics of 3D‐printed analogues of ice particles. Measurements of the drag …
TRAIL: A novel approach for studying the aerodynamics of ice particles
MW McCorquodale… - Quarterly Journal of the …, 2021 - Wiley Online Library
A novel experimental approach for studying the aerodynamics of ice particles is presented.
The Trajectory Reconstruction Algorithm implemented through Image anaLysis (TRAIL) …
The Trajectory Reconstruction Algorithm implemented through Image anaLysis (TRAIL) …
Slip velocity of large low-aspect-ratio cylinders in homogeneous isotropic turbulence
Using laboratory experiments, we investigate the turbulent slip velocity of large (Taylor-
scale), slightly negatively buoyant cylinders at two mass densities and four aspect ratios …
scale), slightly negatively buoyant cylinders at two mass densities and four aspect ratios …
Investigation of the free-fall dynamic behavior of a rectangular wing with variable center of mass location and variable moment of inertia
Y Dou, K Wang, Z Zhou, PR Thomas, Z Shao, W Du - Aerospace, 2023 - mdpi.com
In recent years, the air-drop launch technology of near-space UAVs has attracted much
attention. Between downfall from the carrier and the flight control system's initiation, the UAV …
attention. Between downfall from the carrier and the flight control system's initiation, the UAV …