Airborne transmission between people at tables
Published on:
8 May 2024
Primary Category:
Fluid Dynamics
Paper Authors:
Oğuzhan Kaplan,
Manouk Abkarian,
Simon Mendez
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Key Details
Table proximity alters downward exhaled flows during breathing, speech, laughter
Too-close tables raise transmission risk by increasing pathogen concentration
Tables filter certain droplets onto surfaces, affecting transmission routes
Table introduces cutoff size for airborne particles based on their inertia
Table modifies size distribution of exhaled particles remaining airborne
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AI generated summary
Airborne transmission between people at tables
This study uses simulations to explore how airborne transmission of viruses like COVID-19 can occur when people are seated facing each other at a table, like in restaurants or meetings. It finds that the presence of the table changes exhaled flows during breathing, speech and laughter in ways that can either restrict forward spread of pathogens or increase their concentration for a facing person, raising transmission risk. The table also filters out medium-sized droplets, redirecting them to surface contact transmission.
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