Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/25845
DC FieldValueLanguage
dc.contributorDepartment of Building Services Engineering-
dc.creatorWang, J-
dc.creatorWang, S-
dc.creatorXu, X-
dc.creatorChen, Y-
dc.date.accessioned2014-12-19T07:11:57Z-
dc.date.available2014-12-19T07:11:57Z-
dc.identifier.issn1290-0729-
dc.identifier.urihttp://hdl.handle.net/10397/25845-
dc.language.isoenen_US
dc.publisherElsevier Massonen_US
dc.subjectCTF coefficientsen_US
dc.subjectFDR methoden_US
dc.subjectHeat flow calculationen_US
dc.subjectShort time stepen_US
dc.titleShort time step heat flow calculation of building constructions based on frequency-domain regression methoden_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage2355-
dc.identifier.epage2364-
dc.identifier.volume48-
dc.identifier.issue12-
dc.identifier.doi10.1016/j.ijthermalsci.2009.05.005-
dcterms.abstractShort time step heat flow calculation of building constructions is often needed for practical applications. Conventional methods such as state-space method and root-finding method may produce unstable conduction transfer function (CTF) coefficients at short time steps, and thus result in unstable heat flow calculation through building constructions. Frequency-domain regression (FDR) method is a newly developed method for computing CTF coefficients efficiently by representing the real building construction system with equivalent polynomial s-transfer functions. Previous studies on this method mainly addressed CTF coefficients at the conventional time step of 3600 s and the performance of heat flow calculation using these coefficients. This paper presents the investigation on the performance of CTF coefficients at various short time steps based on FDR method, and the performance of the heat flow calculation using these coefficients. The results show that FDR method can produce stable CTF coefficients at various time steps for most building constructions, and the calculated heat flows using these coefficients are of high accuracy.-
dcterms.bibliographicCitationInternational journal of thermal sciences, 2009, v. 48, no. 12, p. 2355-2364-
dcterms.isPartOfInternational journal of thermal sciences-
dcterms.issued2009-
dc.identifier.scopus2-s2.0-70349775666-
dc.identifier.rosgroupidr50132-
dc.description.ros2009-2010 > Academic research: refereed > Publication in refereed journal-
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