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Assessing the Thermal Performance of Glazed Curtain Wall Systems: S+G Project Case Study
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Service and Energy Systems.
2015 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The improvement of curtain wall thermal performances and the optimisation of the issues connected with this technology can lead to a sensible reduction of the energy consumption of the building as well as to an increase level of occupant comfort and longer durability of the façade.

The aim of this work is to improve the curtain wall technology especially as far as the connection between the glass and the frame is concerned, since it is the part that mainly affects the performances of the whole façade. This project focuses on the different aspects of the thermal performance of curtain wall systems in order to achieve a higher thermal performance, meeting the objectives of lowering energy demand, improving durability and enhancing indoor comfort.

In order to develop new high performance curtain wall connections and to test their level of performance compared with the state of the art ones, two methods were deployed: a numerical and an experimental one. FEM analysis was performed with the software THERM (LBNL) analysing the profile of surface temperatures and the U-values of the details. In the FEM analysis, different materials and geometries were studied. The experimental characterisation of the thermal energy performance of the studied design options was performed by means of thermometric measurements in a climatic cell. The purpose of the experimental analysis was the verification of the effective improvement of the performance in the new details and the comparison with the simulation, aiming at the validation of the simulation model.

Place, publisher, year, edition, pages
2015. , 102 p.
Keyword [en]
curtain wall, thermal performance, climatic cell, steel frame, thermal bridge, spacer
National Category
Civil Engineering
URN: urn:nbn:se:kth:diva-164956OAI: diva2:806673
Subject / course
Soil and Rock Mechanics
Educational program
Master of Science in Engineering - Urban Management
Available from: 2015-04-21 Created: 2015-04-21 Last updated: 2015-04-21Bibliographically approved

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