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Experimental measurements of the exposure to exhaled contaminants from different breathing modes

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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.coverage.spatialAalto University Espoo, Finland
dc.coverage.temporal2018-06-02
dc.date.accessioned2024-12-11T15:35:06Z
dc.date.available2024-12-11T15:35:06Z
dc.date.issued2018
dc.description.abstractThis experimental study analyses the contaminants exposure of a health worker (HW) to the contaminants exhaled by a lying patient (P) inside a hospital room using breathing thermal manikins. The two possible exhalation ways of P, though the nose (N) or through the mouth (M) are considered while HW always inhales through its nose. In addition, two different respiration functions are tested for P breathing, one corresponding to a 1,8 m height and 80 kg weight male (H) and another corresponding to a 1,5 m height and 50 kg weight female (L). The room is ventilated using a mixing ventilation strategy with 6 ACH as ventilation rate. A tracer gas (R134A) is used to surrogate the contaminants emitted through P exhalation, being the only source of contaminants inside the room. Using field measurements data, the value of contaminant exposure (𝑒𝐻𝑊𝑐) and the intake fraction (𝐼𝐹) are obtained together with the peak concentration intensity and frequency as the indices to compare the different experimental combinations. Results are intended to be extrapolated, considering the limitations, to the possible exposition of HW to the pathogens released by P exhalation.en
dc.description.versionversión publicada
dc.identifier.citationBerlanga, F. A., Olmedo, I., & Ruiz de Adana, M. (2018). Experimental measurements of the exposure to exhaled contaminants from different breathing modes. En R. Kosonen, M. Ahola, & J. Narvanne (Eds.), Roomvent and Ventilation 2018 (pp. 685-690). SIY Indoor Air Information Oy.
dc.identifier.isbn978-952-5236-48-4
dc.identifier.urihttps://hdl.handle.net/20.500.14468/24829
dc.language.isoen
dc.publisherSIY Indoor Air Information Oy
dc.relation.centerFacultades y escuelas::E.T.S. de Ingenieros Industriales
dc.relation.congressRoomvent&Ventilation 2018 excellent indoor climate and high performing ventilation
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.keywordshospitalen
dc.subject.keywordshuman breathingen
dc.subject.keywordspersonal exposureen
dc.subject.keywordsexhalation airwayen
dc.subject.keywordsbreathing functionsen
dc.titleExperimental measurements of the exposure to exhaled contaminants from different breathing modesen
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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