O uso do pavimento para geração de energia e desenvolvimento sustentável de cidades inteligentes

Abstract

The road pavement makes it possible to obtain electrical energy by transforming the mechanical energy transmitted by the vehicles to his structure. In this context, this article was developed with the objective of investigating the road surface as a mechanism of energy generation, by using piezoelectricity, to contribute to the reduction of the environmental impact relative to energy. Multiphysical simulations were performed in seven geometries of piezoelectric cells, in a stationary character, and in a prototype with an arrangement of four cells of the one that presented the best results in the previous stage, in a dynamic character. Thus, it was verified that the cell thickness is the geometric property that most influences the electric potential generated. From the proposed prototype it would be possible to generate 306,37 MW of electric output per year. In addition, it’s suggested that sections of interstate highways, with high speed and traffic volume, and expressways would be good candidates for application of the piezoelectric system.