Reference : Comparison of high-performance and conventional internal insulation materials based o...

	Document type :	Scientific journals : Article
	Discipline(s) :	Engineering, computing & technology : Civil engineering
	Focus Areas :	Sustainable Development
	To cite this reference:	http://hdl.handle.net/10993/50259

Title :	Comparison of high-performance and conventional internal insulation materials based on hygrothermal analysis using in situ measurements and simulation
Language :	English
Translated title :	[de] Vergleich von Hochleistungsdämmstoffen mit einem konventionellen Innendämmstoff auf der Grundlage einer hygrothermischen Analyse mit In-situ-Messungen und Simulation
Author, co-author :	Latz, Sebastian [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) >]
	Maas, Stefan [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) >]
	Scholzen, Frank [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) >]
	Thewes, Andreas [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Publication date :	Jan-2022
Journal title :	Bauphysik
Publisher :	John Wiley & Sons
Volume :	1
Peer reviewed :	Yes (verified by ORBilu)
Audience :	International
ISSN :	0171-5445
e-ISSN :	1437-0980
City :	Berlin
Country :	United Kingdom
Keywords :	[en] internal insulation ; high performance insulation ; in-situ measurements
Abstract :	[en] Following the European directive to reduce CO2 emissions of existing buildings by improving energy efficiency, internal insulation systems play a central role in the renovation of historically valuable buildings which cannot be insulated from the outside for reasons of monumental protection, or in cases where no additional exterior space is available. However, besides the thermal property of insulation systems, there are other relevant properties to be considered before choosing an internal insulation system, such as the hygrothermal behavior which plays a particularly important role in diffusion-open interior insulation systems. As the internal insulation layer reduces the temperature of the existing wall during the heating season, its drying potential after rain events is considerably reduced. In addition to the effects of moisture from the outside (mainly wind driven rain), the entry of humidity from the inside through diffusion plays an important role. In the presented study, high performance insulation materials with nanostructure based on silicon dioxide and polyurethane are compared to conventional material based on wood fiber from a hygrothermal point of view by analyzing in situ measurements and simulations.
Funders :	Administration du batiments publics Luxembourg
Target :	Researchers ; Professionals
Permalink :	http://hdl.handle.net/10993/50259
DOI :	10.1002/bapi.202100039
Other URL :	https://doi.org/10.1002/bapi.202100039

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