The flow physics of face masks

R Mittal, K Breuer, JH Seo - Annual Review of Fluid Mechanics, 2023 - annualreviews.org
Although face masks have been used for over a century to provide protection against
airborne pathogens and pollutants, close scrutiny of their effectiveness has peaked in the …

Modeling the filtration efficiency of a woven fabric: The role of multiple lengthscales

I Rios de Anda, JW Wilkins, JF Robinson, CP Royall… - Physics of …, 2022 - pubs.aip.org
During the COVID-19 pandemic, many millions have worn masks made of woven fabric to
reduce the risk of transmission of COVID-19. Masks are essentially air filters worn on the …

Quantifying the effect of a mask on expiratory flows

P Bourrianne, N Xue, J Nunes, M Abkarian, HA Stone - Physical Review Fluids, 2021 - APS
Face masks are used widely to mitigate the spread of infectious diseases. While their main
purpose is to filter pathogenic droplets, masks also represent a porous barrier to exhaled …

Evaluation of the spatial distribution of aerosols produced by various respiratory activities

W Oh, H Kikumoto, Y Bu, R Ooka - Journal of Aerosol Science, 2024 - Elsevier
This study investigated the dispersion and evaporation characteristics of droplets and
droplet nuclei emitted during human respiratory activities. A specially designed wind tunnel …

Air flows in opera

P Bourrianne, PR Kaneelil, M Abkarian, HA Stone - Physical Review Applied, 2022 - APS
Clusters of contaminations have been identified within rehearsing choirs during the COVID-
19 pandemic. In particular, singing and playing wind instruments are known to generate …

Quantitatively Visualizing Airborne Disease Transmission Risks of Different Exhalation Activities through CO2 Imaging

Y Peng, M Yao - Environmental Science & Technology, 2023 - ACS Publications
Aerosol transmission has played a leading role in COVID-19 pandemic. However, there is
still a poor understanding about how it is transmitted. This work was designed to study the …

Experiments and Simulations to Investigate How Air Flows in Speech Can Transport a Virus: Research and Teaching Experiences during the COVID-19 Pandemic

M Abkarian, S Mendez, P Bourrianne… - … Learned during the …, 2023 - ACS Publications
Early in the COVID-19 pandemic, there were reports that the spread of the SARS-CoV-2
virus occurred via an airborne route created by asymptomatic individuals. This transport …

[HTML][HTML] Modelling the filtration efficiency of a woven fabric: The role of multiple lengthscales

A IRd, JW Wilkins, JF Robinson, CP Royall, RP Sear - 2022 - europepmc.org
During the COVID-19 pandemic, many millions have worn masks made of woven fabric, to
reduce the risk of transmission of COVID-19. Masks are essentially air filters worn on the …