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Measurement of angle-dependent properties of different solar protection devices

 
: Knauer, T.; Kuhn, T.; Platzer, W.J.

:
Preprint urn:nbn:de:0011-n-876317 (200 KByte PDF)
MD5 Fingerprint: 2cc4c023d144ab4460ac7fe8d8e23372
Created on: 27.1.2009


Deutsche Gesellschaft für Sonnenenergie e.V. -DGS-, München:
EuroSun 2004, 14. Internationales Sonnenforum. Proceedings. Vol.2
Freiburg: PSE GmbH, 2004
ISBN: 3-9809656-0-0 (Set)
ISBN: 3-9809656-2-7 (Vol.2)
pp.2/842-2/851
Europe Solar Conference (EuroSun) <5, 2004, Freiburg/Brsg.>
Internationales Sonnenforum <14, 2004, Freiburg, Breisgau>
English
Conference Paper, Electronic Publication
Fraunhofer ISE ()

Abstract
In the sixties of the last century solar calorimetric outdoor experiments have been performed on the combinations of solar shading devices and single and double glazed window units. From these experiments typical reduction factors for the effective total solar energy transmittance have been derived and published. In standards such as EN 832 or DIN 4108 part 6 tables with typical reduction factors of the main shading device types are given. However, for a more exact derivation of the total solar energy transmittance of a facade including solar shading device, other means are needed. Within IEA Task 27 we try to develop and check methodologies to characterize solar shading devices experimentally, and compare with different theoretical calculations. The experimental characterisation is based on a new generation of solar calorimetric testing devices developed within completed European and national projects. In this paper We want to compare experimental results using these devices with calculated results using some new and unvalidated standards for different combinations of solar protection devices and glazings.

: http://publica.fraunhofer.de/documents/N-87631.html