High temperature layered absorber for thermo-solar systems

We present a theoretical description of ideal absorber performances for solar thermodynamic systems as well as a numerical and experimental study of high temperature layered absorber. The structure designed can convert 85% of the incident light under a concentration factor of 1000 suns, that is to s...

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Bibliographic Details
Published in:Journal of quantitative spectroscopy & radiative transfer 2014-12, Vol.149, p.8-15
Main Authors: Langlais, Mathieu, Prod׳homme, Patricia, Bru, Hélène, Ben-Abdallah, Philippe
Format: Article
Language:English
Subjects:
Absorbing coatings
Concentrated solar power
Incident light
Mathematical models
Multilayer design
Optics
Perfect absorber
Physics
Radiative transfer
Solar power generation
Spectroscopy
Sun
Thermodynamics
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Summary:We present a theoretical description of ideal absorber performances for solar thermodynamic systems as well as a numerical and experimental study of high temperature layered absorber. The structure designed can convert 85% of the incident light under a concentration factor of 1000 suns, that is to say almost the ultimate power that a perfect absorber can deliver. •The fundamental limits for high temperature solar absorbers have been derived.•Highly efficient layered thermo-solar collectors were designed.•The fabricated structure highlights a conversion rate of 85% of the incident light.
ISSN:0022-4073
1879-1352
DOI:10.1016/j.jqsrt.2014.07.023