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001-es BibID:	BIBFORM049046
Első szerző:	Lakatos Ákos (fizikus, környezetmérnök, létesítménymérnök)
Cím:	Examination of the change of the overall heat transfer coefficients of building structures in function of water content / Ákos Lakatos, Ferenc Kalmár
Dátum:	2014
ISSN:	0143-6244 1477-0849
Megjegyzések:	Nowadays, the most applied insulation material in the building sector is the expanded polystyrene.Different types of expanded polystyrene are used but more widely used is the graphite addedtype. Our research focuses on the analysis of heat conductivity and sorption properties of expandedpolystyrene as these two are the most important physical properties from energy saving point of view.In this paper, the variation of heat transfer coefficient of an insulated wall is analysed in function ofhumidity content of insulation material. Brick and concrete walls with 0.4m thickness were chosenfor substrate and 0.1m expanded polystyrene (30, 100, 150, 200 and the so-called grey expanded polystyrene)materials were applied as insulating layers. The investigations of sorption behaviour of thematerials are important from the point of view of fundamental research and building technology aswell. Sorption data taken from our previous measurements results were used for predicting thechange of the overall heat transfer coefficients of different wall structures constituted this way.
Tárgyszavak:	Műszaki tudományok Gépészeti tudományok idegen nyelvű folyóiratközlemény külföldi lapban Thermal insulation expanded polystyrene heat transfer coefficient
Megjelenés:	Building services engineering research and technology. - 35 : 5 (2014), p. 507-515. -
További szerzők:	Kalmár Ferenc (1974-) (gépészmérnök)
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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