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“Any form of mask is better than no mask,” says study co-author
Swetaprovo Chaudhuri, an associate professor at the U of T Institute for Aerospace Studies in the Faculty of Applied Science & Engineering.
“But what we also show is that if they have enough momentum, large liquid droplets can penetrate single or even double-layer masks. When they do, they break up into smaller droplets that are more persistent in the air.”
The team – which also includes Assistant Professor Abhishek Saha at the University of California, San Diego and Professor Saptarshi Basu of the Indian Institute of Science – is leveraging expertise they developed while studying aircraft engines. They use computer models and physical experiments to understand finely dispersed droplets in air, known as aerosols.