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Proceedings Paper

Transparent insulation materials
Author(s): Volker Wittwer; Joerg J. Dengler; Werner J. Platzer
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Paper Abstract

Transparent insulation materials are a new class of materials, which need new measurement techniques for their correct characterization. These measurement methods are summarized. Besides the data of some newly developed materials, a survey of the most important available materials is given. In addition, the potential of granular aerogel windows is shown. All these data are compared with the state of the art of conventional glazed window units including vacuum windows, which might be possible in the future. The importance of the ratio between the total energy transmittance and the U-value of a window under different climatic conditions is discussed, as a possibility to rate a window.

Paper Details

Date Published: 25 November 1992
PDF: 9 pages
Proc. SPIE 1727, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Selective Materials, Concentrators and Reflectors, Transparent Insulation and Superwindows, (25 November 1992); doi: 10.1117/12.130518
Show Author Affiliations
Volker Wittwer, Fraunhofer-Institut fuer Solare Energiesysteme (Germany)
Joerg J. Dengler, Fraunhofer-Institut fuer Solare Energiesysteme (Germany)
Werner J. Platzer, Fraunhofer-Institut fuer Solare Energiesysteme (Germany)


Published in SPIE Proceedings Vol. 1727:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Selective Materials, Concentrators and Reflectors, Transparent Insulation and Superwindows

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