Eventos Anais de eventos
COBEM 2019
25th International Congress of Mechanical Engineering
PERFORMANCE ANALYSIS OF A LINEAR FRESNEL CONCENTRATOR WITH A MOVING ABSORBER
Submission Author:
Victor César Pigozzo Filho , SC
Co-Authors:
Alex Cruz Santos, Alexandre Bittencourt de Sa, Victor César Pigozzo Filho, Júlio Passos
Presenter: Alex Cruz Santos
doi://10.26678/ABCM.COBEM2019.COB2019-1327
Abstract
The end losses have a great impact on the optical performance of small solar concentrators. In order to reduce the effect of these losses, an innovative concept was developed and installed on the linear Fresnel prototype developed by the LEPTEN laboratory, of the Federal University of Santa Catarina, in south Brazil. For that, the receiver was mounted on rails that allowed it to move to north and south, to compensate the end losses. The LEPTEN workbench has 54 m² of primary mirror area and operates with Direct Steam Generation. This work shows the importance of this mobile absorber system, and its performance compared with fixed absorber systems, for this small linear Fresnel prototype. There was a significant difference of the moving system and the fixed one regarding the absorbed energy along the year, showing how significant and relatively efficient is the moving absorber system. For the winter the end losses were reduced from 39.17% to 8.17% by using the moving system.
Keywords
Linear Fresnel Concentrator, Moving absorber, Solar Energy
