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Caracterización óptica de una lente de Fresnel de gran formato para metalurgia solar

AuthorsGacía Gutierrez, Pedro Jesús
AdvisorLópez-Delgado, Aurora; Alda Serrano, Javier
KeywordsFresnel lens
Solar radiation concentrator
Optical characterization
Issue Date30-Sep-2019
PublisherConsejo Superior de Investigaciones Científicas (España)
Universidad Complutense de Madrid
AbstractFresnel lenses are optical systems used to transport light within a defined contour, regardless of the order of the message it contains, because due to its geometry, image quality is seriously affected by optical aberrations. This type of lens is usually known for its applications in lighting systems, such as sea lighthouses, study lights, etc. But they can also transport large amounts of energy for applications where high temperatures are required, as in metallurgical processes of surface treatment of materials that, in this case, is carried out at the National Center for Metallurgical Research (CENIM). To do so, it is necessary to know the characteristics and limitations of this optical system. The available data from the manufacturer may not be entirely accurate or not complete, so they have to be checked. This is why the Fresnel lens installed in the CENIM has been characterized optically and geometrically. The method has been based on determining the aperture, the radius of curvature, the focal length, the optical power, the spot size at the focus, the effective diameter of the lens at the focal point, and the flow transfer performance. This last characteristic has been tested using a block of steel and measuring the energy distribution on it.
DescriptionTrabajo Fin de Máster
Appears in Collections:(CENIM) Tesis
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