Eventos Anais de eventos
COBEM 2023
27th International Congress of Mechanical Engineering
CHARACTERIZATION OF PARABOLIC CONCENTRATOR DISH WITH FLAT MIRRORS
Submission Author:
Oscar Ricardo Sandoval Rodriguez , MG , Brazil
Co-Authors:
DAVID JEAN RODRIGUEZ CERRON, Oscar Ricardo Sandoval Rodriguez
Presenter: Oscar Ricardo Sandoval Rodriguez
doi://10.26678/ABCM.COBEM2023.COB2023-2136
Abstract
Environmental policies regulating fossil fuel consumption have become increasingly stringent. Consequently, the electric power generation matrix is now compelled to explore strategies that enhance the involvement of renewable sources, particularly solar power. However, the utilization of parabolic dish technology for heat and electricity production has been largely unexplored in Brazil, despite the country's high solar irradiation rates throughout the year. Hence, this study proposes a design strategy for a solar concentrator dish that employs flat mirrors as a replacement for a single parabolic mirror. The flat mirrors with trapezoidal facets are compared using a Monte Carlo simulation conducted with the Tonatiuh program. Through this approach, geometric characteristics, reflective material properties, and the optimal number of subdivisions required to closely approximate a commercial parabolic mirror are optimized. Ultimately, the computational simulation facilitates the evaluation of photon distribution in the receiver and the amount of concentrated heat power in the cylindrical and circular areas. These findings demonstrate the feasibility of substituting the parabolic mirror with one constructed using flat facets.
Keywords
concentrated solar power, Solar Energy, flat mirrors, parabolic solar dish
