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Flat plate collector with bifacially irradiated absorber

 
: Dengler, J.; Goetzberger, A.; Rommel, M.; Wittwer, V.

Transparent insulation technology. Proceedings of the 4th International Workshop
Birmingham: Franklin Company Consultants, 1991
ISBN: 0-9510781-5-1
S.62-65
International Workshop on Transparent Insulation <4, 1991, Birmingham>
Englisch
Konferenzbeitrag
Fraunhofer ISE ()
bifacial absorber collector; improved flat plate collector; TIM; transparent insulation material

Abstract
A new flat plate collector has been developed which, especially during times of low radiation conditions, reaches higher efficiencies than any other collector known so far. The absorber plate is insulated with Transparent Insulation Material (TIM) on the front and on the rear side and both sides are irradiated. A prototype was built. Indoor and outdoor measurements were carried out to determine the optical efficiency Etasub0 and the U-value of the collector.

: http://publica.fraunhofer.de/dokumente/PX-14503.html