How Future Masks, Making better air filters can prevent further epidemics. At the 74th Annual Meeting of the APS Liquid Dynamics Department, scientists will present the latest findings on how future face masks work, what can happen when masks are wet, and misuse of masks. Could be worse than
He will announce the results and answer questions from journalists at a live virtual press conference on Tuesday, November 23, 2021 at 12:00 noon. American Standard Time (MST).
Before preparing to use the mask of the future, scientists at the University of California, San Diego, the Institute of Indian Sciences, and the University of Toronto have completed what makes our current face mask functional or dangerous. ۔
Abhishek Saha, a professor of engineering at UCSD, Wanted to solve a simple but small problem:
a wet mask. Field will present new results from a test that has tested two types of moisture masks. Gradually it will clarify whether the moisture is harmful to the mask’s ability to catch respiratory drops. It will also explain how wearing a mask can affect the face for a long time, causing it to slip out of the side.
Wet masks will soon be published in the journal Physical Review Floods.
In a recent article, researchers also reported dry masks. “Large droplets of breath usually fall to the ground faster due to gravity, so they are considered less harmful. But for dry masks, we have seen large droplets of breath penetrate into the matrix of the mask. And can produce a large number of drops. Life. ” “Improper masking can cause these large droplets to atomize,” he said.
Meanwhile, other scientists are working on the design of another filter system.
Majid Jaffer, an engineering student in the south, said: “We use animal nostrils as inspiration to design new filter channels that can filter air particles and work on low pressure gradient. Are. ” Dakota State University Diab will present research.
Using CT scans, the researchers looked at the noses of pigs, dogs, deer, guinea pigs and rabbits, as well as Australian marsupials: a small cat called North Cole, a large slider that loves eucalyptus. , And a kangaroo named Eucalyptus. Kangaroo like mouse.
The researchers then designed and tested filters that require less power to draw in the air and are 3D print than existing masks, and tested in an air tunnel.
“In addition to being used in masks, the concept of bio-inspired filters can also be used to design large-scale deflectors for industrial products and to promote generally clean air. In confined and congested areas, Sakit Basu said. Professor of South Dakota. State University in partnership with Diab.
The project is being led by Sunny Anging from Cornell University and Leonardo Chamorro from the University of Illinois Urban Champagne Campaign.
At the meeting, the team will present new results with the temperature gradient used on filter surfaces that can help neutralize trap virus particles.
Another team from Purdue University and Universidad Nacional Autónoma de Mexico has developed a reusable anti-virus mask.
The Hy-Cu filter consists of a diamond-shaped carbon-coated copper grid, the layers of which keep the virus inactive for several hours. The filter can be attach to any fabric mask or scarf for ease of use.
“Hy-Cu filters make breathing easier and make fabric masks more reliable, reusable and durable,” said Tanya Parwar, a Purdue alumnus. Student of experimental fluid dynamics who will show preliminary results.
Parwar and his colleagues tested reusable filters and face masks against the Live MS2 virus. They will report new information that Hy-Cu filters can kill viruses better than disposable masks. The test confirmed the computer’s previous assumptions about the ease of use of filters.
“The new filter was test for two hours after the virus was inactivate and showed better results than the control,” Parwar said.
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