Installing an air purifier inside the elevator significantly alters air circulation, but does not eliminate
The location of the air intakes in closedspaces such as an elevator strongly affect the transmission of the virus by airborne droplets. Researchers from the University of Nicosia in Cyprus have shown the futility of this air purification method.
Air purifiers use ultraviolet light to kill viruses and other germs, but they also start circulating it.
Early work showed that droplets of saliva can travel 5.5 meters in 5 seconds when a person coughs without a mask. The authors extended the same model to study how masks help in this case.
Researchers performed calculations for a three-dimensional space, similar to an elevator: it can accommodate five people. The researchers simulated a mild cough from one person.
The observed effect of the spread of the virus intensified with the increase in the number of infected people in the elevator.
Scientists believe that in this case, limiting people who can ride the elevator together will help. Also, to improve the situation, it is necessary to improve the design of air purifiers and ventilation systems.
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