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Spectrally selective ultra-high temperature ceramic absorbers for high-temperature solar plants
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.
Spectrally selective ultra-high temperature ceramic absorbers for high-temperature solar plants
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.
Spectrally selective ultra-high temperature ceramic absorbers for high-temperature solar plants
Sani, Elisa (author) / Mercatelli, Luca (author) / Sansoni, Paola (author) / Silvestroni, Laura (author) / Sciti, Diletta (author)
Journal of Renewable and Sustainable Energy ; 4 ; 033104-
2012-05-01
13 pages
Article (Journal)
Electronic Resource
English
Ultra-High Temperature Ceramic Coatings
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