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Author(s):	Stelzmann, Mario; Kirschke, Marcus; Fricke, Marc; Tietze, Matthias; Kahnt, Alexander
Title:	Validierung eines Polyurethan-basierten Aerogels im Realbetrieb
Abstract:	Mit steigenden Anforderungen an die Energieeffizienz von Gebäuden werden immer leistungsfähigere Dämmstoffe entwickelt. Die Technologie der Aerogele erreicht dabei besonders niedrige Wärmeleitfähigkeiten aufgrund ihrer Porengrößen im Nanometerbereich. Während sich Aerogele prinzipiell aus verschiedenen Ausgangsstoffen herstellen lassen, wird in diesem Artikel das Verhalten eines Aerogels auf Basis von Polyurethan unter realen Bedingungen untersucht. Der Einbau des Aerogels erfolgte in einem Wandelement, in der Dachterrasse und in Fensteranschlüssen eines Gebäudes. Auf Basis von Messdaten eines einjährigen Monitorings wurden die verschiedenen Anwendungen in hygrothermischen Simulationsmodellen validiert. Validation of a polyurethane-based aerogel in practical use Due to the increase of energy efficiency requirements for buildings, more efficient insulating materials are developed. The technology of aerogels achieves particularly low thermal conductivities with their pore sizes in the nanometer range. While aerogels can be manufactured from various materials, the behavior of a polyurethane-based aerogel under real conditions is analyzed in this article. The aerogel was installed in a wall element, the roof terrace and window connections of a building. With measurement data from one year of monitoring, the various applications were validated in hygrothermal simulation models.
Source:	Bauphysik 44 (2022), No. 1
Page/s:	1-8
Language of Publication:	German

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