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Estimating ventilation rates in a window-aired room using Kalman filtering and considering uncertain measurements of occupancy and CO2 concentration

dc.contributor.authorDuarte, Rogério
dc.contributor.authorGomes, Maria da Glória
dc.contributor.authorRodrigues, António Moret
dc.date.accessioned2019-03-20T10:40:55Z
dc.date.available2019-03-20T10:40:55Z
dc.date.issued2018
dc.description.abstractThis paper describes a method for estimating ventilation rates in a window-aired room considering “in-use” conditions and uncertainty in occupancy (CO2 release) and in measurements of indoor air CO2 concentration. Estimates are drawn from indoor air mass conservation principles and an Extended Kalman Filter, serving as state observer. The modelling procedure is described and tested against synthetic time series generated from pseudorandom values of occupancy and ventilation rate. Additionally, data collected from a case study (a window-aired classroom) is used to illustrate how the procedure is applied and its practical interest. Test results confirm the state observer’s tracking capability and confirm its ability to reconstruct ventilation rates in the presence of sudden changes caused by window opening/ closing and intermittent occupancy. Results for the case study highlight the benefits to designers and ultimately to occupants, derived from knowledge of ventilation rates in window-aired rooms.pt_PT
dc.description.versioninfo:eu-repo/semantics/submittedVersionpt_PT
dc.identifier.citationDuarte, R., Gomes, M. G. & Rodrigues, A. M. (2018). stimating ventilation rates in a window-aired room using Kalman filtering and considering uncertain measurements of occupancy and CO2 concentration. Building and Environment, 143, pp. 691-700. doi: 10.1016/j.buildenv.2018.07.016pt_PT
dc.identifier.doihttps://doi.org/10.1016/j.buildenv.2018.07.016pt_PT
dc.identifier.issn0360-1323
dc.identifier.urihttp://hdl.handle.net/10400.26/28092
dc.language.isoengpt_PT
dc.publisherElsevierpt_PT
dc.subjectNatural ventilationpt_PT
dc.subjectWindow airingpt_PT
dc.subjectManual opening of windowspt_PT
dc.subjectExtended Kalman Filterpt_PT
dc.subjectState observerpt_PT
dc.subjectSchool classroompt_PT
dc.titleEstimating ventilation rates in a window-aired room using Kalman filtering and considering uncertain measurements of occupancy and CO2 concentrationpt_PT
dc.typepreprint
dspace.entity.typePublication
oaire.citation.endPage700pt_PT
oaire.citation.startPage691pt_PT
oaire.citation.titleBuilding and Environmentpt_PT
person.familyNameDuarte
person.givenNameRogério
person.identifier.ciencia-idEA18-DF0E-51DD
person.identifier.orcid0000-0002-3880-5440
rcaap.rightsopenAccesspt_PT
rcaap.typepreprintpt_PT
relation.isAuthorOfPublication71a72905-326d-4290-9d48-bc22414709a3
relation.isAuthorOfPublication.latestForDiscovery71a72905-326d-4290-9d48-bc22414709a3

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