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Study by U of T, international researchers shows effectiveness of masks made with three layers

“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. ....

United States , San Diego , Abhishek Saha , Swetaprovo Chaudhuri , University Of California , T Institute For Aerospace , Indian Institute Of Science , Aerospace Studies , Applied Science , Assistant Professor Abhishek Saha , Professor Saptarshi , Indian Institute , ஒன்றுபட்டது மாநிலங்களில் , சான் டியாகோ , அபிஷேக் சஹா , பல்கலைக்கழகம் ஆஃப் கலிஃபோர்னியா , டி நிறுவனம் க்கு விண்வெளி , இந்தியன் நிறுவனம் ஆஃப் அறிவியல் , விண்வெளி ஆய்வுகள் , பயன்படுத்தப்பட்டது அறிவியல் , உதவியாளர் ப்ரொஃபெஸர் அபிஷேக் சஹா , ப்ரொஃபெஸர் சாப்புதார்ஷி , இந்தியன் நிறுவனம் ,

Physics experiment underscores the value of triple-layer masking

Physics experiment shows potential value of triple-layer masking
By
March 5, 2021
A new study looks at how droplets expelled by a cough or sneeze can break up into smaller pieces when they collide with mask material. The research underscores the importance of multi-layer masks to prevent the spread of COVID-19. (Photo: CDC, via Unsplash)
An experimental study carried out by an international team of engineers and physicists has added more evidence for the value of triple-layer masking to prevent the spread of COVID-19 and similar diseases.
“Any form of mask is better than no mask,” says Professor
“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.” ....

Abhishek Saha , Swetaprovo Chaudhuri , Shubham Sharma , Roven Pinto , University Of California San Diego , Division Of Fluid Dynamics , Indian Institute Of Science , Professor Swetaprovo Chaudhuri , Professor Abhishek Saha , California San Diego , Professor Saptarshi , Indian Institute , அபிஷேக் சஹா , சுபம் ஷர்மா , பல்கலைக்கழகம் ஆஃப் கலிஃபோர்னியா சான் டியாகோ , பிரிவு ஆஃப் திரவம் இயக்கவியல் , இந்தியன் நிறுவனம் ஆஃப் அறிவியல் , ப்ரொஃபெஸர் அபிஷேக் சஹா , கலிஃபோர்னியா சான் டியாகோ , ப்ரொஃபெஸர் சாப்புதார்ஷி , இந்தியன் நிறுவனம் ,