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23 August 1995 Advanced windows with a wide range in solar transmittance
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Improved and intelligent windows are an important component to minimize the energy consumption of houses. On the one hand highly insulating windows with low U-values (high R-value) are necessary to reduce the heat transmission losses during the cold season, but on the other hand, components with high solar transmittance are desirable to get solar gains in the same period of the year. In addition, overheating problems might occur during summer, so smart windows with variable characteristics might be useful. These demands are just conflicting. Recent developments to overcome this problem are summarized. The combination of new technologies like antireflection layers, low emission coatings and switchable films may give a chance to produce smart windows with a wide dynamic range in solar transmittance.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Volker Wittwer, Andreas Gombert, Wolfgang Graf, and Michael Koehl "Advanced windows with a wide range in solar transmittance", Proc. SPIE 2531, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XIV, (23 August 1995);

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