Browse Publications Technical Papers 2018-01-0729
2018-04-03

Aerodynamics of Open Wheel Racing Car in Pitching Position 2018-01-0729

Formula One (F1) racing cars are often running at high-speed with the pitching angle changing frequently due to road conditions. These pitching angle changes result in changes to the car’s aerodynamic characteristics that will directly affect handling stability and other performance factors including safety. This paper takes a F1 racing car as the model; the influence of the change of pitching angle on aerodynamic drag force and lift force are investigated. CFD code-PowerFLOW based LBM is used to simulate the aerodynamic characteristics with different pitching angles. The distribution of aerodynamic coefficients, velocity and pressure in the flow field are obtained; and the differences between different pitching angles were analyzed. The results show that as the pitching angle increases, the drag force increases and the lift force decreases. The down-force of the car is mainly supplied by the front wing and the rear wing. As the pitching angle increases, the lift force provided by the front wing, the floor and the rear wing decreases gradually. The drag force is more sensitive to the change of the pitching angle.

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