Modeling and CFD analysis of F1 rear wing

Mechanical Engineering

The paper aims to make an investigation with CFD simulation to analyze the airflow across the rear wing of F1 car with the velocity, u = 43.2871 m/s and Reynolds number of 3.2 × 106.. The analysis is performed using the 3-D model that contains main plane along with the flap wing, attached together to create a rear wing module. Complete aerofoil is kept inside a box of 210mm height and 340mm long according to standard regulation. The chosen parameters for the present study are the chord length of the flap wing aerofoil and thickness. The simulations were performed by using ANSYS Workbench software. When cornering the wind speed is set up to 43 m/s that are the average speed of F1 car. Each cases are simulated with a gap between the aerofoil of 15mm and 45mm when the DRS is activated. Grid independence test and validation was conduct to make sure the result obtained is acceptable. The goal of this study is to investigate aerodynamic behaviour of airflow around the rear wing as well as to see how the thickness and the chord length of flap wing influence the airflow at the rear wing. The results show that increasing in thickness of the flap wing aerofoil will decreases the down force.

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