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OPTICAL CHARACTERISATION OF REFLECTOR MATERIAL FOR CONCENTRATING SOLAR POWER TECHNOLOGY

Meyen, Stephanie und Lüpfert, Eckhard und Pernpeintner, Johannes und Fend, Thomas (2009) OPTICAL CHARACTERISATION OF REFLECTOR MATERIAL FOR CONCENTRATING SOLAR POWER TECHNOLOGY. 15th International SolarPACES Symposium, 15.-18. Sept. 2009, Berlin, Deutschland.

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Kurzfassung

In order to evaluate the quality and suitability of reflector materials for concentrating solar power (CSP) applications a measuring procedure has been developed for the determination of optical key values. These were defined for their relevance in CSP as the solar weighted hemispherical reflectance SWH, the solar weighted direct reflectance SWD within an acceptance angle of interest (25 mrad) and the specular beam diversion spec. After measuring those parameters also on artificially degraded samples, an extensive analysis of the optical material properties and comparative lifetime estimation are provided with the intention to lead to a standardized test method. Evaluation of various reflector material samples demonstrates the superiority of glass mirrors over alternative materials (polymer film, aluminium) in all concerned respects with hemispherical and direct reflectances of almost 0.94 and minimal losses after degradation. The high relevance of spectral properties as well as high mechanical resistance is emphasized.

Dokumentart:Konferenzbeitrag (Paper)
Titel:OPTICAL CHARACTERISATION OF REFLECTOR MATERIAL FOR CONCENTRATING SOLAR POWER TECHNOLOGY
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Meyen, StephanieTT-SF-KP
Lüpfert, EckhardTT-SF-KP
Pernpeintner, JohannesTT-SF-KP
Fend, ThomasTT-SF-KP
Datum:15 September 2009
Status:akzeptierter Beitrag
Stichwörter:solar mirror qualification, optical measurement procedure, specular reflectance, hemispherical reflectance, specular beam diversion
Veranstaltungstitel:15th International SolarPACES Symposium
Veranstaltungsort:Berlin, Deutschland
Veranstaltungsart:internationale Konferenz
Veranstaltungsdatum:15.-18. Sept. 2009
Veranstalter :SolarPaces
HGF - Forschungsbereich:Energie
HGF - Programm:Erneuerbare Energie
HGF - Programmthema:E SF - Solarforschung (alt)
DLR - Schwerpunkt:Energie
DLR - Forschungsgebiet:E SF - Solarforschung
DLR - Teilgebiet (Projekt, Vorhaben):E - Qualifizierung (alt)
Standort: Köln-Porz
Institute & Einrichtungen:Institut für Technische Thermodynamik > Solarforschung
Hinterlegt von: Stephanie Meyen
Hinterlegt am:09 Feb 2010 14:39
Letzte Änderung:12 Dez 2013 20:48

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