Transport dynamics of SARS-CoV-2 under outdoor conditions

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dc.authorid0000-0003-4934-2346en_US
dc.authorid0000-0003-1099-4363en_US
dc.authorid0000-0003-3552-5459en_US
dc.authorid0000-0002-9389-2196en_US
dc.authorid0000-0002-4699-4595en_US
dc.contributor.authorAydın, Mehmet
dc.contributor.authorEvrendilek, Fatih
dc.contributor.authorAydın, İsmail Erkan
dc.contributor.authorSavaş, Seçkin Aydın
dc.contributor.authorEvrendilek, Deniz Eren
dc.date.accessioned2023-08-08T07:16:34Z
dc.date.available2023-08-08T07:16:34Z
dc.date.issued2022en_US
dc.departmentBAİBÜ, Mühendislik Fakültesi, Çevre Mühendisliği Bölümüen_US
dc.description.abstractThis study aimed at estimating the transport dynamics of a single severe acute respiratory syndrome corona-virus 2 (SARS-CoV-2)-laden droplet of 1 to 500 mu m in diameter at a wind speed from 1 to 4 m/s. Motion dynamics of SARS-CoV-2-laden respiratory droplets under calm or turbulent air conditions were quantified using a combined model. Dalton's law was implemented to estimate their evaporation. One-factor-at-a-time procedure was applied for the sensitivity analysis of model of deposition velocity. The transport distance of the single virus ranged from 167 to 1120 m as a function of the droplet size, wind speed, and falling time. The evaporation times of the droplets <= 3 and <= 14 mu m in diameter were shorter than their settling times from 1.7 m in height at midnight and midday, respectively. Such droplets remained in the air for about 5 min as the droplet nuclei with SARS-CoV-2. The minimum transport distance of the respiratory droplets of 1-15 mu m varied between 8.99 and 142 m at a wind speed range of 1-4 m/s, based on their deposition velocity. With their short transport distance, the larger droplet (30 to 500 mu m) was not suspended in the air even under the windy conditions. The deposition velocity was found most sensitive to the droplet diameter. The droplets < 15 mu m in diameter completely evaporated at midday and the droplet nuclei with the single virus can travel a minimum distance of 500 m under a horizontal wind speed of 3 m/s.en_US
dc.identifier.citationAydin, M., Evrendilek, F., Aydin, I. E., Savas, S. A., & Evrendilek, D. E. (2022). Transport dynamics of SARS-CoV-2 under outdoor conditions. Air Quality, Atmosphere & Health, 15(5), 893-899.en_US
dc.identifier.doi10.1007/s11869-022-01196-x
dc.identifier.endpage899en_US
dc.identifier.issn1873-9318
dc.identifier.issn1873-9326
dc.identifier.issue5en_US
dc.identifier.pmid35401876en_US
dc.identifier.scopus2-s2.0-85127612683en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage893en_US
dc.identifier.urihttp://dx.doi.org/10.1007/s11869-022-01196-x
dc.identifier.urihttps://hdl.handle.net/20.500.12491/11453
dc.identifier.volume15en_US
dc.identifier.wosWOS:000780833200001en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorEvrendilek, Fatih
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofAir Quality Atmosphere and Healthen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectCOVID-19en_US
dc.subjectTransport Distanceen_US
dc.subjectRespiratory Droplet Sizeen_US
dc.subjectDry Depositionen_US
dc.subjectEvaporationen_US
dc.subjectModelen_US
dc.titleTransport dynamics of SARS-CoV-2 under outdoor conditionsen_US
dc.typeArticleen_US

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