Performance evaluation of a linear Fresnel collector with catoptric subsets

Alexandros Vouros, Emmanouil Mathioulakis, Elias Papanicolaou and Vassilis Belessiotis

Renewable Energy, 2020, vol. 156, issue C, 68-83

Abstract: In this paper, the optical, thermal and overall performance of a linear Fresnel collector with catoptric subsets is reported. Subsets consist of mirrors which focus on the receiver while they maintain their relative positions with respect to each other. Ray tracing modelling is used for the estimation of the optical performance of the collector. A thermal analysis is performed in order to assess the thermal and the overall efficiency of the collector. A comparison is attempted between the specific collector and a more typical one, which involves mirrors strips, uniformly distributed to the same land area. Two materials with different reflectivity values and optical errors, i.e. glass mirrors and aluminium sheets, are considered for the reflecting surface of the primary mirrors.

Keywords: Concentrated solar power (CSP); Linear Fresnel collector (LFC); Optical and thermal efficiency (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:156:y:2020:i:c:p:68-83

DOI: 10.1016/j.renene.2020.04.062

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