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Open AccessArticle

Homogeneous Flux Distribution in High-Flux Solar Furnaces

1
Departamento de Engenharia Química, Instituto Superior Técnico, University of Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
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Plataforma Solar de Almería, CIEMAT, Apartado 22, E 04200 Tabernas (Almería), Spain
3
IDMEC, Instituto de Engenharia Mecânica, Instituto Superior Técnico, University of Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
*
Author to whom correspondence should be addressed.
Energies 2020, 13(2), 433; https://doi.org/10.3390/en13020433
Received: 14 December 2019 / Revised: 10 January 2020 / Accepted: 12 January 2020 / Published: 16 January 2020
(This article belongs to the Section Solar Energy and Photovoltaic Systems)
Comparisons between experimental data and ray-tracing simulation results are presented for the high-flux SF60 solar furnace available at the Plataforma Solar de Almeria, Spain, which has an estimated thermal power of 60 kW. Since an important issue in many applications of solar concentrated radiation is to obtain a radiation distribution that is as homogeneous as possible over the central working area, so-called radiation homogenisers were also used but the degree of success achieved is just satisfactory, as the results show. Finally, further modelling studies using ray-tracing simulations aiming to attain a homogenous distribution of flux by means of double reflexion using two paraboloid surfaces are presented. View Full-Text
Keywords: solar furnace optimisation; radiation homogeniser; flux distribution; optical modelling; ray tracing simulations solar furnace optimisation; radiation homogeniser; flux distribution; optical modelling; ray tracing simulations
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MDPI and ACS Style

Pereira, J.C.G.; Rodríguez, J.; Fernandes, J.C.; Rosa, L.G. Homogeneous Flux Distribution in High-Flux Solar Furnaces. Energies 2020, 13, 433.

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