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http://conacyt.repositorioinstitucional.mx/jspui/handle/1000/2025| COVID-19 in air suspensions | |
| Daniel A. Stariolo. | |
| Acceso Abierto | |
| Atribución-NoComercial-SinDerivadas | |
| https://arxiv.org/pdf/2004.05699v1.pdf | |
| We present a theoretical study of the motion of virus particles as they reach quiet air after a person breaths, speaks, sneezes or coughs. Because the viruses are expelled mainly attached to small droplets, with diverse sizes and weights, and the external environmental conditions can also be diverse, the subsequent motion cannot be described by a unique model. Computing the time of decay to the ground and the distance travelled by a droplet using a simple free fall model, we obtained a typical horizontal distance in the range between $1$ to $3$ meters from the emitter, with a falling time of less than a second, similar to initial previsions of falling distance. For the smallest droplets we employ a model of motion in a viscous medium, obtaining that isolated viruses could remain suspended in quiet air for more than a month, while droplet nuclei can remain for several hours, in agreement with recent experimental results on virus stability in aerosols. | |
| arxiv.org | |
| 2020 | |
| Artículo | |
| https://arxiv.org/pdf/2004.05699v1.pdf | |
| Inglés | |
| VIRUS RESPIRATORIOS | |
| Aparece en las colecciones: | Artículos científicos |
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