Numerical and experimental analysis of the bodywork of a Formula SAE 2023 type vehicle

Abstract

In the present study, the aerodynamic characteristics of a bodywork for the Formula SAE 2023 competition were analyzed. Based on the requirements of the international competition regulations and the ISO 10521 standard, a numerical evaluation procedure was defined based on a CFD (Computational Fluid Dynamics) analysis. A bodywork model is presented and essential aerodynamic parameters were taken into account for the definition of the flow analysis models, where the k-omega model was used in the turbulent flow analysis. Additionally, an experimental analysis assembly was prepared through a wind tunnel at the University facilities, using a model of the bodywork by 3D printing at a scale of 1:43 with thermoplastic polyurethane material. Results of pressures, flow lines around the different elements of the bodywork were found, as well as drag coefficient values from 0.42 to 0.55, the latter were compared with others obtained by other Formula SAE teams, they found similarities in the results obtained. Additionally, with the wind tunnel, the comparison of the current lines was obtained, which showed similarities in the experiment and is expected to be improved in future studies.