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Radiation effects on exterior surfaces

 
: Kehrer, M.; Schmidt, T.

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Fulltext (PDF; )

Rode, C. ; Technical University of Denmark -DTU-, Lyngby:
8th Nordic Symposium on Building Physics in the Nordic Countries 2008. Proceedings. Vol.1 : Copenhagen, June 16-18, 2008
Lyngby, 2008 (DTU Byg Report 189)
ISBN: 978-87-7877-265-7
pp.207-212
Nordic Symposium on Building Physics in the Nordic Countries <8, 2008, Kopenhagen>
English
Conference Paper, Electronic Publication
Fraunhofer IBP ()

Abstract
In hygrothermal simulations usually the long-wave radiation effects are ignored or treated in a simplified way. Temperatures at exterior surfaces can not be calculated accurately in that way. A detailed radiation model has been developed to simulate the hygrothermal behaviour at the exterior surface of building components. Multiple experimental validation calculations show the capability of that model. Furthermore it is shown that neglecting the long-wave radiation effects on exterior surfaces can lead to simulation results which are not "on the safe side".

: http://publica.fraunhofer.de/documents/N-97355.html