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Design of optical cavity for air sanification through ultraviolet germicidal irradiation [article]

Matteo Lombini, Emiliano Diolaiti, Adriano De Rosa, Luigi Lessio, Giovanni Pareschi, Andrea Bianco, Fausto Cortecchia, Mauro Fiorini, Giulia Fiorini, Giuseppe Malaguti, Alessio Zanutta
2021 medRxiv   pre-print

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The transmission of airborne pathogens represents a major issue to worldwide public health. Ultraviolet light irradiation can contribute to the sanification of air to reduce the pathogen transmission. This study concerns the design of a compact filter for airborne pathogen inactivation by means of UV-C LED sources, whose effective irradiance is enhanced thanks to high reflective surfaces. Ray-tracing and computational fluid dynamic simulations are both used to model the device and to maximize
more » ... e performance inside the filter volume. Simulations foresee the inhibition of SARS-Cov 2 also in the case of high air fluxes. This study demonstrates that current available LED technology is effective for air sanification purposes.
doi:10.1101/2021.03.04.21252517 fatcat:tz6hpvrdgzagxnv5fgurzt4jwe
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Matteo Lombini, Emiliano Diolaiti, Adriano De Rosa, Luigi Lessio, Giovanni Pareschi, Andrea Bianco, Fausto Cortecchia, Mauro Fiorini, Giulia Fiorini, Giuseppe Malaguti, Alessio Zanutta. "Design of optical cavity for air sanification through ultraviolet germicidal irradiation." medRxiv (2021)