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Experimental analysis of the air velocity and contaminant dispersion of human exhalation flows

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dc.contributor.authorBerlanga Cañete, Félix Antonio
dc.contributor.authorOlmedo, Inés
dc.contributor.authorRuiz de Adana, M.
dc.contributor.orcidhttps://orcid.org/0000-0003-1527-658X
dc.contributor.orcidhttps://orcid.org/0000-0002-7890-7505
dc.date.accessioned2024-12-09T12:07:29Z
dc.date.available2024-12-09T12:07:29Z
dc.date.issued2016-11-17
dc.descriptionThe registered version of this article, first published in Indoor Air, is available online at the publisher's website: Wiley, https://doi.org/10.1111/ina.12357
dc.descriptionLa versión registrada de este artículo, publicado por primera vez en Indoor Air, está disponible en línea en el sitio web del editor: Wiley, https://doi.org/10.1111/ina.12357
dc.description.abstractHuman exhalation flow is a potential source of pathogens that can constitute a cross-infection risk to people in indoor environments. Thus, it is important to investigate the characteristics of this flow, its development, area of influence, and the diffusion of the exhaled contaminants. This paper uses phase-averaged particle image velocimetry together with a tracer gas (CO2) to study two different exhalation flows over time: the exhalation of an average male (test M) and an average female (test F), using a life-sized thermal manikin in a supine position. The exhalation jets generated for both tests are similar in terms of symmetrical geometry, vorticity values, jet opening angles, and velocity and concentration decays. However, there is a difference in the penetration length of the two flows throughout the whole exhalation process. There is also a time difference in reaching maximum velocity between the two tests. It is also possible to see that the tracer gas dispersion depends on the momentum of the jet so the test with the highest velocity decay shows the lowest concentration decay. All these results are of interest to better understand cross-infection risk.en
dc.description.versionversión publicada
dc.identifier.citationBerlanga, F. A., Olmedo, I., & Ruiz de Adana, M. (2017). Experimental analysis of the air velocity and contaminant dispersion of human exhalation flows. Indoor Air, 27(4), 803-815. https://doi.org/10.1111/ina.12357
dc.identifier.doihttps://doi.org/10.1111/ina.12357
dc.identifier.issn0905-6947
dc.identifier.urihttps://hdl.handle.net/20.500.14468/24758
dc.journal.issue4
dc.journal.titleIndoor Air
dc.journal.volume27
dc.language.isoen
dc.page.final815
dc.page.initial803
dc.publisherWiley
dc.relation.centerFacultades y escuelas::E.T.S. de Ingenieros Industriales
dc.relation.departmentMecánica
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.es
dc.subject33 Ciencias Tecnológicas::3313 Tecnología e ingeniería mecánicas
dc.subject.keywordscontaminant dispersionen
dc.subject.keywordshuman exhalation flowen
dc.subject.keywordsPIVen
dc.subject.keywordsvelocity and concentration decayen
dc.titleExperimental analysis of the air velocity and contaminant dispersion of human exhalation flowsen
dc.typeartículoes
dc.typejournal articleen
dspace.entity.typePublication
relation.isAuthorOfPublicationd3d13d8a-e397-42e6-8b75-d90dc1020555
relation.isAuthorOfPublication.latestForDiscoveryd3d13d8a-e397-42e6-8b75-d90dc1020555
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