An experimental investigation of the effect of thermophysical properties on time lag and decrement factor for building elements

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dc.authorid0000-0002-0917-7844en_US
dc.contributor.authorOktay, Hasan
dc.contributor.authorYumrutaş, Recep
dc.contributor.authorArgunhan, Zeki
dc.date.accessioned2021-11-15T07:09:41Z
dc.date.available2021-11-15T07:09:41Z
dc.date.issued2020-06-01en_US
dc.departmentBatman Üniversitesi Mühendislik - Mimarlık Fakültesi Makine Mühendisliği Bölümüen_US
dc.description.abstractThe time lag (TL) and decrement factor (DF) are essential for the heat storage capabilities of building elements, which strictly depend on the thermophysical properties of the elements. Many investigations are presented in literature arguing to find the influence of each thermophysical property on TL and DF by keeping the other properties constant. This study aims to investigate the effect of each property on TL and DF, utilizing relationships between the measurement values of the thermophysical properties of wall materials. Therefore, first, 132 new concrete wall samples were produced, and their thermophysical properties were tested. Secondly, TL and DF values for each building element are computed from the solution of the problem by Complex Finite Fourier Transform (CFFT) technique. Finally, a multivariate regression analysis has been performed, and the variations of each thermophysical property versus TL and DF are presented, and also the findings are compared with literature. The results show that each property alone (keeping the other properties constant) is not adequate to identify the thermal inertia and thermal performance of a wall element. Besides, 87.3 % decrease in thermal diffusivity corresponds to 6.03 h increase in the value of TL and 88.8 % decrease in value of DF; respectively, for W1 wall assembly.en_US
dc.identifier.citationOktay, H., Yumrutaş, R., Argunhan, Z. (2020). An experimental investigation of the effect of thermophysical properties on time lag and decrement factor for building elements. Gazi University Journal of Science, 33 (2), pp.492-500. DOI:https://doi.org/10.35378/gujs.615322en_US
dc.identifier.endpage500en_US
dc.identifier.issn2147-1762
dc.identifier.issue2en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage492en_US
dc.identifier.urihttps://doi.org/10.35378/gujs.615322
dc.identifier.urihttps://hdl.handle.net/20.500.12402/3971
dc.identifier.volume33en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakTR-Dizinen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherGazi Universityen_US
dc.relation.isversionof10.35378/gujs.615322en_US
dc.relation.journalGazi University Journal of Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.rightsAttribution-NonCommercial-ShareAlike 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/3.0/us/*
dc.subjectConcreteen_US
dc.subjectTime Lagen_US
dc.subjectDecrement Factoren_US
dc.subjectThermophysical Propertiesen_US
dc.titleAn experimental investigation of the effect of thermophysical properties on time lag and decrement factor for building elementsen_US
dc.title.alternativeYapı elemanları için termofiziksel özelliklerin zaman gecikmesi ve eksiltme faktörü üzerindeki etkisinin deneysel olarak incelenmesien_US
dc.typeArticleen_US

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