Scientific Results

Spectrally selective ultra-high temperature ceramic absorbers for high-temperature solar plants

Year: 2012

Authors: Sani E., Mercatelli L., Sansoni P., Silvestroni L., Sciti D.

Autors Affiliation: CNR-INO, National Institute of Optics, Largo E. Fermi, 6, I-50125 Firenze, Italy;
CNR-ISTEC, Institute of Science and Technology for Ceramics (Faenza, Italy)

Abstract: Ultra-high temperature ceramics are the ideal materials for extreme conditions owing to their very high melting points and good thermo-mechanical properties at high temperatures. For these reasons, they are widely known as materials for aerospace applications. This paper presents a comparative spectral characterization of zirconium, hafnium, and tantalum carbides ultra-high temperature ceramics for concentrating solar power applications. Room-temperature reflectance spectra have been measured from the ultraviolet wavelength region to the mid-infrared band. Using these spectral properties, the ceramics were evaluated as sunlight absorbers in receivers for high-temperature thermodynamic solar plants. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4717515]

Journal/Review: JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY

Volume: 4 (3)      Pages from: 033104  to: 033104

KeyWords: Concentrating solar power; Extreme conditions; High melting point; High temperature; Midinfrared; Reflectance spectrum; Room temperature; Solar plant; Spectral characterization; Spectral properties; Thermomechanical properties; Ultra-high-temperature ceramics; Ultraviolet wavelength region, Aerospace applications; Carbides; Ceramic materials; Ceramic plants; Hafnium; High temperature applications; Mechanical properties; Solar energy; Spectrum analyzers; Tantalum; Tantalum carbide; Zirconium, Solar absorbers
DOI: 10.1063/1.4717515

Citations: 62
data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2022-01-23
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