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Influence of the geometry of the airways on the characterization of exhalation flows. Comparison between two different airway complexity levels performing two different breathing functions

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dc.contributor.authorBerlanga Cañete, Félix Antonio
dc.contributor.authorLiu, L.
dc.contributor.authorNielsen, P.V.
dc.contributor.authorJensen, R.L.
dc.contributor.authorCosta, Alexandre
dc.contributor.authorOlmedo, I.
dc.contributor.authorRuiz de Adana, M.
dc.date.accessioned2024-12-11T13:54:04Z
dc.date.available2024-12-11T13:54:04Z
dc.date.issued2020-02
dc.descriptionThe registered version of this article, first published in Sustainable Cities and Society, is available online at the publisher's website: Elsevier, https://doi.org/10.1016/j.scs.2019.101874
dc.descriptionLa versión registrada de este artículo, publicado por primera vez en Sustainable Cities and Society, está disponible en línea en el sitio web del editor: Elsevier, https://doi.org/10.1016/j.scs.2019.101874
dc.description.abstractHuman exhalation can emit pathogens in droplets that can represent the origin of airborne cross infections. Simplified respiratory airway models have been used in experimental and numerical studies in order to simulate exhalation flows. This study presents a comparison between two different airway models, a simplification (SA) and a realistic 3D scanned model (RA) in performing two different exhalation patterns corresponding to two different female metabolic rates, corresponding to a standing relaxed (SR) activity (1.2 met) and walking active (WA) metabolic level (2 met). A time resolved particle image velocimetry (TR-PIV) study of the flow emitted to the surroundings in each case is obtained for each airway and exhalation combination. Results show that the scanned 3D model (RA) presents a different and more realistic flow development. Transient puff structures have been identified for both airway models. Results can be useful for further research on pollution control in indoor and outdoor spaces.en
dc.description.versionversión final
dc.identifier.citationBerlanga, F. A., Liu, L., Nielsen, P. V., Jensen, R. L., Costa, A., Olmedo, I., & Ruiz de Adana, M. (2020). Influence of the geometry of the airways on the characterization of exhalation flows. Comparison between two different airway complexity levels performing two different breathing functions. Sustainable Cities and Society, 53, 101874. https://doi.org/10.1016/j.scs.2019.101874
dc.identifier.doihttps://doi.org/10.1016/j.scs.2019.101874
dc.identifier.issn2210-6715
dc.identifier.urihttps://hdl.handle.net/20.500.14468/24825
dc.journal.titleSustainable Cities and Society
dc.journal.volume53
dc.language.isoen
dc.publisherElsevier
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-nc-nd/4.0/deed.es
dc.subject33 Ciencias Tecnológicas::3313 Tecnología e ingeniería mecánicas
dc.subject.keywordshuman exhalation flowen
dc.subject.keywordsPIVen
dc.subject.keywordsrespiratory airwaysen
dc.subject.keywordsbreathing functionsen
dc.subject.keywordsmetabolic rateen
dc.subject.keywordsbreathing thermal manikinen
dc.titleInfluence of the geometry of the airways on the characterization of exhalation flows. Comparison between two different airway complexity levels performing two different breathing functionsen
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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