Size distribution of a drop undergoing breakup at moderate Weber numbers

SS Ade, LD Chandrala, KC Sahu - Journal of Fluid Mechanics, 2023 - cambridge.org
The size distribution of child droplets resulting from a dual-bag fragmentation of a water drop
is investigated using shadowgraphy and digital in-line holography techniques. It is observed …

Comparison between shadow imaging and in-line holography for measuring droplet size distributions

MA Erinin, B Néel, MT Mazzatenta, JH Duncan… - Experiments in …, 2023 - Springer
A direct comparison of the droplet size and number measurements using in-line holography
and shadow imaging is presented in three dynamically evolving laboratory scale …

Droplet breakup and size distribution in an airstream: Effect of inertia

SS Ade, PK Kirar, LD Chandrala, KC Sahu - Physical Review Fluids, 2024 - APS
We experimentally investigate the morphology and breakup of a droplet as it descends
freely from a height and encounters an airstream. The size distributions of the child droplets …

Correlation between beverage consumption and droplet production during respiratory activity using interferometric Mie imaging experiment

W Oh, Y Bu, H Kikumoto, R Ooka - Journal of Aerosol Science, 2024 - Elsevier
This study investigates the effects of beverage consumption on droplet production during
coughing and speaking. Interferometric Mie imaging (IMI) measures particle size using the …

Application of deep learning and inline holography to estimate the droplet size distribution

SS Ade, D Gupta, LD Chandrala, KC Sahu - International Journal of …, 2024 - Elsevier
We examine five machine learning-based architectures to estimate the droplet size
distributions obtained using digital inline holography. The architectures, namely, U-Net, R2 …

Three-dimensional clustering characteristics of large-Stokes-number dilute sprays interacting with turbulent swirling co-flows

A Rostami, R Li, S Kheirkhah - Journal of Fluid Mechanics, 2024 - cambridge.org
Three-dimensional (3-D) clustering characteristics of large-Stokes-number sprays
interacting with turbulent swirling co-flows are investigated experimentally. The astigmatic …

Dual-camera off-axis holographic particle tracking velocimetry: Development and application to air-blast swirl spray measurement

Y Zhao, L Wang, H Zhang, Y Wang, Y Wu, X Wu… - Optics and Lasers in …, 2024 - Elsevier
Quantifying the droplet field near the atomizer exit poses a challenge due to its three-
dimensional (3D), multiscale and turbulent characteristics. An optical measurement method …

On shock induced aerobreakup of a wall-attached droplet

J Guo, P Kang, K Mu, J Li, T Si - Journal of Fluid Mechanics, 2023 - cambridge.org
An experimental study on the aerobreakup of a wall-attached droplet induced by a shock
wave is carried out in this work. The shock wave and the post-wave air stream are generated …

Dynamics of jet breakup and the resultant drop size distribution-effect of nozzle size and impingement velocity

PK Kirar, N Kumar, KC Sahu - Physics of Fluids, 2024 - pubs.aip.org
We conduct systematic experiments to investigate the dynamics of liquid jet breakup and the
resulting droplet size distribution, emphasizing the influence of liquid jet velocity and needle …

Aerodynamic breakup of emulsion droplets in airflow

Z Xu, J Liu, H Zhang, T Wang, Z Che - Droplet, 2024 - Wiley Online Library
Aerodynamic breakup refers to the process where large droplets are fragmented into small
droplets by the aerodynamic force in airflow, which plays a vital role in fluid atomization and …