Physics of Fluids

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Disposable Helmet Retains Cough Droplets, Minimizes Transmission to Dentists, Otolaryngologists

WASHINGTON, January 12, 2021 — The risk of infection of COVID-19 is high for medical specialists who come in contact with symptomatic or asymptomatic patients. Dentists and […]

Hand-Held Device Measures Aerosols for Coronavirus Risk Assessment

WASHINGTON, December 22, 2020 — Because of the role they play in coronavirus transmission, understanding aerosol concentrations and persistence in public spaces can help determine infection risks. […]

Masks Not Enough to Stop COVID-19’s Spread Without Distancing

WASHINGTON, December 22, 2020 — Simply wearing a mask may not be enough to prevent the spread of COVID-19 without social distancing. In Physics of Fluids, by […]

The Mask Matters: How Masks Affect Airflow, Protection Effectiveness

WASHINGTON, December 15, 2020 — Even though it has been widely known that wearing a face mask will help mitigate the community spread of COVID-19, less is […]

Fast Walking in Narrow Corridors Can Increase COVID-19 Transmission Risk

WASHINGTON, December 15, 2020 — Computational simulations have been used to accurately predict airflow and droplet dispersal patterns in situations where COVID-19 might be spread. In the […]

Face Shields No Match for Sneeze Vortex Rings

WASHINGTON, December 8, 2020 — Do face shields provide enough protection to the wearers against COVID-19 if they don’t also wear a mask? Spoiler alert: no. But […]

COVID-19 Virus Survives on Surfaces Within Thin Film

WASHINGTON, November 24, 2020 — How does the COVID-19 virus manage to survive on surfaces? To find out, researchers in India are exploring the drying times of […]

Face Masks Slow Spread of COVID-19; Types of Masks, Length of Use Matter

WASHINGTON, November 24, 2020 — The use of face masks to help slow the spread of COVID-19 has been widely recommended by health professionals. This has triggered […]

Valves on N95 Masks Do Not Filter Exhaled Droplets

WASHINGTON, November 10, 2020 — If you have seen someone wandering around the grocery store or elsewhere with a mask with a valve on it and wondered […]