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In 1 second, the unmasked cough particles move 2 rows forward.
In 3 seconds, the unmasked cough travels 2-3 rows forward in a “viral plume”, while the smaller cough particles settle on high contact areas like headrests and trays.
Masked cough at the same speed (33 mph) shows significant reduction in “virus plume” (2 seconds)
Dimer’s Advanced Projects Lab finds that unmasked cough particles move forward at least 2-3 rows and outward to the sides in a “viral plume.”
– Dr Arthur Kreitenberg, CTO and co-founder of Dimer
LOS ANGELES, CALIFORNIA, USA, Nov. 15, 2021 /EINPresswire.com/ – The TSA air travel mask warrant is sure to increase the stress of the vacation travel season. There have been more than 3,200 incidents of unruly unmasked passengers, despite threats of fines and jail time. Anyone on board an airliner must wear a mask for the duration of the flight, including boarding and disembarking. Here’s why.
Dimer UV Innovations, a leader in the development of safe and sustainable technologies for surface disinfection, conducted a study to demonstrate what happens when an airline passenger coughs with and without a mask. The study was presented earlier this year at the annual meeting of the Aerospace Medical Association. Dimer’s Advanced Projects Lab undertook the study into its mock-up commercial aircraft installation as a public service to passengers and for the benefit of the aviation community.
Under black lights, Dimer’s study used fluorescent powder to represent germs with high-speed videography capturing what happens to particles when a passenger coughs. The tiered cabin of the aircraft was fitted with a specific air ventilation scheme simulating a filtration common to single-aisle aircraft which ensures air exchanges every 2-3 minutes. The fluorescent powder was released at a speed of 33 mph (the American Lung Association reports the average speed of a cough at 50 mph). Without a mask, the smallest cough particles move forward in at least 2-3 rows and outward to the sides in a “viral plume”. (see photo / video)
The “viral plume” also passed through the passenger seats before the simulated particles reached the air intakes near the ground.
The larger particles, representing those mixed with saliva and mucus, quickly settled on surfaces, including seat backs, video screens, armrests and trays. SARS-CoV-2 survives for up to 3 days on surfaces and can “revive” as a dangerous aerosol (see photo), potentially exposing passengers to infectious particles. The visuals support the CDC’s recommendation that surfaces should be disinfected in “indoor community settings” to help prevent the spread of COVID.
A mask covering the simulated cough significantly reduced the volume, speed and spread of the “virus plume”. (look at the picture)
Dr Arthur Kreitenberg, director of innovation and technology and co-founder of Dimer, said of the study: “As a public service to air travelers, flight crews and the airlines themselves – We wanted to show visually whether wearing a mask is effective in creating a safer environment. The video we captured provides objective evidence to support wearing a mask. We hope that those opposed to masks will consider the visual aid and be better informed about the purpose of their own mask. “
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Dimer UV Innovations is a leading innovator in UV disinfection and produced the GermFalcon®, UV Hammer® and other cutting-edge devices to reduce disease-causing pathogens on airplanes, hospitals, schools, hotels, sports venues and space.
Leejay pollacchi
UVC Dimer Innovations
+1 844-432-6432 ext 3
Leejay@dimeruv.com
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Dimer: GloGerm Aircraft Experience
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