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Influence of the air renovation rate on the risk of cross infections in a hospital room with a combined radiant and mixing ventilation system

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dc.contributor.authorBerlanga Cañete, Félix Antonio
dc.contributor.authorOlmedo, Inés
dc.contributor.authorRuiz de Adana, M.
dc.contributor.authorPeci, F.
dc.contributor.orcidhttps://orcid.org/0000-0003-1527-658X
dc.contributor.orcidhttps://orcid.org/0000-0002-7890-7505
dc.coverage.spatialAalborg (Dinamarca)
dc.coverage.temporal2016-05-22
dc.date.accessioned2024-12-11T15:38:03Z
dc.date.available2024-12-11T15:38:03Z
dc.date.issued2016
dc.description.abstractThis study aims to test how mixing ventilation combined with a hydronic radiant floor system performs removing airborne exhaled contaminants using two different air renovation rates. The two selected renovation rates are 2 ACH and 7.5 ACH. Temperature and velocity probes are used to evaluate temperature and velocity profiles in the room. A tracer gas (CO2) is used to measure the risk of cross infection between two breathing thermal manikins. One of the manikins (P) represents a lying person over a horizontal surface and its breathing represents the only source of contaminants into the chamber. The other one (HW) represents a standing person near P. The concentration of exhaled contaminants reaching its breathing zone is studied. Temperature and air velocity profiles show that a nearly completely air stability situation is reached at the occupied zone. This stability is influenced by the air renovation rate performed. Tracer gas measurement results show a similar distribution of exhaled contaminants but with some discrepancies for both tests conducted. A higher tracer gas concentration reaches the nearby zone of HW manikin when the air renovation rate is increased from 2 to 7.5 ACH. This can lead to a higher cross infection rate. The obtained results suggest that that a higher ventilation rate not necessary leads to a decrease of the airborne cross infection risk for the occupants in an enclosed area.en
dc.description.versionversión publicada
dc.identifier.citationBerlanga, F. A., Olmedo, I., Ruiz de Adana, M., & Peci, F. (2016). Influence of the air renovation rate on the risk of cross infections in a hospital room with a combined radiant and mixing ventilation system. CLIMA 2016 - proceedings of the 12th REHVA World Congress, 1.
dc.identifier.isbnISBN (Electronic)87-91606-26-8 (vol. 1), 87-91606-36-5 (set)
dc.identifier.urihttps://hdl.handle.net/20.500.14468/24831
dc.language.isoen
dc.publisherDepartment of Civil Engineering, Aalborg University
dc.relation.centerFacultades y escuelas::E.T.S. de Ingenieros Industriales
dc.relation.congressCLIMA 2016 - 12th REHVA World Congress
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.keywordsairborne cross infectionen
dc.subject.keywordsbreathingen
dc.subject.keywordshydronic radiant systemsen
dc.subject.keywordsventilationen
dc.titleInfluence of the air renovation rate on the risk of cross infections in a hospital room with a combined radiant and mixing ventilation systemen
dc.typeactas de congresoes
dc.typeconference proceedingsen
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relation.isAuthorOfPublicationd3d13d8a-e397-42e6-8b75-d90dc1020555
relation.isAuthorOfPublication.latestForDiscoveryd3d13d8a-e397-42e6-8b75-d90dc1020555
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