Ultra-high temperature ceramics for solar receivers: Spectral and high-temperature emittance characterization

Year: 2012

Authors: Sani E., Mercatelli L., Jafrancesco D., Sans JL., Sciti D.

Autors Affiliation: INO-CNR Istituto Nazionale di Ottica, Largo E. Fermi, 6, 50125 Firenze, Italia;
PROMES-CNRS Processes, Materials and Solar Energy Laboratory, 7 rue du Four Solaire, 66120 Font Romeu, France;
ISTEC-CNR, Istituto di Scienza e Tecnologia dei Materiali Ceramici, Via Granarolo 64, 48018 Faenza, Italia

Abstract: We report on the preparation, room temperature spectral reflectance and high-temperature thermal emittance characterization of different boride and carbide Ultra-High Temperature Ceramics (UHTCs). The investigated samples are compared with a reference material for solar absorber applications, i.e. silicon carbide. We show that spectral and thermal emittance properties of UHTCs are promising for novel solar receivers. [DOI: http://dx.doi.org/10.2971/jeos.2012.12052]


Volume: 7      Pages from: 12052  to: 12052

More Information: Financial support by the Access to Research Infrastructures activity in the 7th Framework Programme of the EU (SFERA Grant Agreement n. 228296) is gratefully acknowledged, as well as the PROMES Director and PROMES Researchers for the use of facilities. Thanks are due to Massimo D\’Uva, Mauro Pucci, Roberto Rossi and Leonardo Cirri (INO-CNR) for technical assistance.
KeyWords: Borides; Carbides; Ceramic materials; Optical properties; Silicon carbide; Solar energy; Solar equipment, Concentrating solar power; Emittances; High temperature; Reference material; Room temperature; Solar receiver; Spectral reflectances; Thermal emittance; Ultra-high-temperature ceramics, Solar absorbers
DOI: 10.2971/jeos.2012.12052

Citations: 46
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