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Thermal Efficiency of a Concentrating Solar Collector Under High-Vacuum

descriptionPublicationkeyboard_double_arrow_right Article , Conference object , Other literature type , Preprint 09 Jan 2020 Italy Publisher:MDPI AGJournal:Journal of Physics: Conference Series, volume 1,599, page 12,029 (issn: 1742-6588, eissn: 1742-6596,

Authors: De Maio D; Alessandro; C D; De Luca D; Musto M; Di Gennaro E; Rotondo G; +2 Authors

doi: 10.20944/preprints202001.0072.v1 , 10.1088/1742-6596/1599/1/012029

handle: 11588/829684 , 20.500.14243/398058

Thermal Efficiency of a Concentrating Solar Collector Under High-Vacuum

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Abstract

A new frontier in solar thermal panel technology can be a high vacuum collector, thick enough to be equipped with solar concentrators based on non-imaging optics, such as the Compound Parabolic Concentrators (CPC). The high vacuum technology guarantees higher operating temperatures thanks to the enhanced thermal insulation, which leads to pay particular attention to the absorber radiative emission. In this paper by means of numerical simulations we compare the efficiency of a flat selective solar absorber under high vacuum to the efficiency of a CPC under high-vacuum collector.

Country

Italy

Related Organizations

University Federico II of Naples
Italy
Institute for Microelectronics and Microsystems
Italy
National Research Council
Italy
Institute for Microelectronics and Microsystems
Italy

Keywords

energy conversion efficiency, solar energy, energy_fuel_technology

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