A cost-energy based methodology for small-scale linear Fresnel reflectors on flat roofs of urban buildings. (February 2020)

• Record Type: Journal Article
• Authors: Bayón-Cueli, C.; Barbón, A.; Bayón, L.; Barbón, N.
• Is Part Of: Renewable energy. Volume 146(2020)
• Page Start: 944
• Page End: 959
• Publication Date: 2020-02
• Subjects: Linear Fresnel reflector -- Urban buildings -- Optimization; Renewable energy sources -- Periodicals; Power resources -- Periodicals; Énergies renouvelables -- Périodiques; Ressources énergétiques -- Périodiques; 333.794
• DOI: 10.1016/j.renene.2019.07.005
• Languages: English
• ISSNs: 0960-1481

Abstract

Abstract: This paper proposes a new methodology for determining the geometrical parameters and the optimal distribution of small-scale linear Fresnel reflectors on flat roofs of urban buildings. This engineering problem is highly complex as it involves 21 variables; in contrast to present-day studies available in the literature, our method provides a global solution. The algorithm involves several stages, in which it uses multiple objective functionals: maximization of the used area of the roof, minimization of the cost, minimization of losses. The solution found by this method combines all the relevant aspects from the technical and/or economic point of views and obtains, as the final objective, the maximization of the absorbed annual energy for the stated problem. Highlights: A new methodology to determine the optimal geometrical parameters and distribution. It maximizes the energy obtained on the roofs of urban buildings. It maximizes the total mirror field area. Parameters: the length, width and orientation of the available flat roof area.