Research shows proper ventilation rates can limit virus spread in cruise cabins, with medium airflow optimizing droplet containment and air renewal.
By Tarun Sai LomteNov 5 2023Reviewed by Sophia Coveney In a recent study published in the journal Physics of Fluids, researchers simulated the spread of a virus inside a cruise ship cabin.
About the study In the present study, researchers simulated how ventilation in a cruise ship cabin affects airborne viral transmission. The droplets quickly traveled 91.5 cm in the first second after coughing, reaching the maximum distance only after four seconds. By eight seconds, most droplets settled below the waist height or evaporated. At higher flow rates, droplet penetration distance was initially reduced, which was reversible at later phases.
Related StoriesThe team observed additional air streams at higher flow rates that increased droplet spread. Moreover, at the reference flow rate, only a fraction of the air in the cabin was renewed, and it would have taken 40 minutes for the cabin’s air to refresh completely. By contrast, at 120 m3/h, a significant volume of the cabin’s air was refreshed within three minutes.
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