Violent expiratory events: on coughing and sneezing

L Bourouiba, E Dehandschoewercker… - Journal of Fluid …, 2014 - cambridge.org
Violent respiratory events such as coughs and sneezes play a key role in transferring
respiratory diseases between infectious and susceptible individuals. We present the results …

Lung deposition analyses of inhaled toxic aerosols in conventional and less harmful cigarette smoke: a review

C Kleinstreuer, Y Feng - … journal of environmental research and public …, 2013 - mdpi.com
Inhaled toxic aerosols of conventional cigarette smoke may impact not only the health of
smokers, but also those exposed to second-stream smoke, especially children. Thus, less …

Integral models for bubble, droplet, and multiphase plume dynamics in stratification and crossflow

AL Dissanayake, J Gros, SA Socolofsky - Environmental Fluid Mechanics, 2018 - Springer
We present the development and validation of a numerical modeling suite for bubble and
droplet dynamics of multiphase plumes in the environment. This modeling suite includes …

Life of a droplet: Buoyant vortex dynamics drives the fate of micro-particle expiratory ejecta

E Renzi, A Clarke - Physics of Fluids, 2020 - pubs.aip.org
We show that the dynamics of the expiratory cloud ejected during human respiratory events
can be modeled by extending the theory of buoyant vortex rings with an initial momentum …

Effects of particle size and background rotation on the settling of particle clouds

Q Kriaa, E Subra, B Favier, M Le Bars - Physical Review Fluids, 2022 - APS
We experimentally investigate the behavior of instantaneous localized releases of heavy
particles falling as turbulent clouds in quiescent water, both with and without background …

Two-way coupling Eulerian numerical simulations of particle clouds settling in a quiescent fluid

Q Kriaa, B Favier, M Le Bars - Physical Review Fluids, 2023 - APS
To get a deeper understanding of our laboratory experiments [Q. Kriaa, Phys. Rev. Fluids 7,
124302 (2022) 2469-990X 10.1103/PhysRevFluids. 7.124302], we numerically model …

Mixing of twin particle clouds in stagnant water

M Janati, AH Azimi - Journal of Engineering Mechanics, 2021 - ascelibrary.org
The interaction and mixing of twin particle clouds in stagnant water were studied by a series
of laboratory experiments. The importance of source separation distance and sand particle …

A numerical and analytical study of the effect of aspect ratio on the behavior of a round thermal

ACH Lai, B Zhao, AWK Law, EE Adams - Environmental Fluid Mechanics, 2015 - Springer
A round thermal is formed when an element of buoyant fluid is released instantaneously into
a quiescent ambient. Although the thermal spreading rate is of primary importance to …

Large-eddy simulation (LES) of settling particle cloud dynamics

RQ Wang, AWK Law, EE Adams - International journal of multiphase flow, 2014 - Elsevier
A series of Euler–Lagrangian four-way coupling Large-Eddy Simulations (LES) are
performed to study the dynamics of settling particle clouds. The numerical method is first …

Particle cloud dynamics in stagnant water

F Sharif, AH Azimi - International Journal of Multiphase Flow, 2020 - Elsevier
Laboratory experiments were conducted to study the dynamics of particle clouds released
vertically downward into stagnant water. The importance of nozzle diameter, sand particle …