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Sustainability 2018, 10(8), 2907; https://doi.org/10.3390/su10082907

A Novel Dynamic Insulation System for Windows

NTNU, Faculty of Architecture and Design,Wellington 6011, New Zealand
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Received: 11 July 2018 / Revised: 7 August 2018 / Accepted: 13 August 2018 / Published: 16 August 2018
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Abstract

One of the measures to reduce energy consumption in buildings in Nordic countries is limiting the window area, as windows contribute to significantly higher heat loss than walls during a long hot season. This conflicts with user needs for daylight and views out, especially in buildings situated in dense urban areas. The purpose of the project was to test if dynamic insulation can be used to reduce heat loss through windows during periods when view out is not needed. The paper presents a new dynamic insulation system for windows in a form of an exterior sliding shutter. The development of the system started from an existing poorly insulating sliding door system that has been equipped with vacuum insulation panels and re-designed according to the new purpose. The new system was both numerically simulated using THERM and tested in full-scale in a Hot-box apparatus at the laboratory of SINTEF Building and Infrastructure. The results are promising and encourage further development towards a commercial product. View Full-Text
Keywords: dynamic insulation; window; shutter; thermal performance; cold climate dynamic insulation; window; shutter; thermal performance; cold climate
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Gruner, M.; Matusiak, B.S. A Novel Dynamic Insulation System for Windows. Sustainability 2018, 10, 2907.

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