A novel procedure for the optical characterization of solar concentrators |
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| Authors: | F Arqueros A Jimnez A Valverde |
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| Affiliation: | a Departamento de Física Atómica, Molecular y Nuclear, Facultad de Ciencias Físicas, Universidad Complutense, Madrid E-28040, Spain;b Plataforma Solar de Almeria, CIEMAT, P.O. Box 22, Tabernas, E-04200, Almeria, Spain |
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| Abstract: | A novel procedure for the optical characterization of solar concentrators is presented. The method is based on recording at night the light of a star reflected by the mirror. Images of the mirror taken from its focal region allow the reconstruction of the slope map. The application of this technique for the in situ characterization of heliostats is particularly simple and at very low cost. Results on first tests carried out with a heliostat of the CESA-I field at the Plataforma Solar de Almeria have shown the feasibility of this technique. Uncertainties in the reconstructed slopes of about 1.0 mrad have been estimated. |
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