Study on airflow characteristics of rear wing of F1 car

The paper aims to investigate CFD simulation is carried out to investigate the airflow along the rear wing of F1 car with Reynold number of 3 × 106 and velocity, u = 43.82204 m/s. The analysis was done using 2-D model consists of main plane and flap wing, combined together to form rear wing module....

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2017-09, Vol.243 (1), p.12030
Main Authors: Azmi, A R S, Sapit, A, Mohammed, A N, Razali, M A, Sadikin, A, Nordin, N
Format: Article
Language:English
Subjects:
Air flow
Airfoils
Angle of attack
Automobile customizing
Circuits
Cornering
Downforce
Drag
Layouts
Simulation
Thickness
Two dimensional analysis
Two dimensional models
Wind speed
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Summary:The paper aims to investigate CFD simulation is carried out to investigate the airflow along the rear wing of F1 car with Reynold number of 3 × 106 and velocity, u = 43.82204 m/s. The analysis was done using 2-D model consists of main plane and flap wing, combined together to form rear wing module. Both of the aerofoil is placed inside a box of 350mm long and 220mm height according to regulation set up by FIA. The parameters for this study is the thickness and the chord length of the flap wing aerofoil. The simulations were performed by using FLUENT solver and k-kl-omega model. The wind speed is set up to 43 m/s that is the average speed of F1 car when cornering. This study uses NACA 2408, 2412, and 2415 for the flap wing and BE50 for the main plane. Each cases being simulated with a gap between the aerofoil of 10mm and 50mm 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 behavior 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 downforce. The results also show that although the short flap wing generate lower downforce than the big flap wing, but the drag force can be significantly reduced as the short flap wing has more change in angle of attack when it is activated. Therefore, the type of aerofoil for the rear wing should be decided according to the circuit track so that it can be fully optimized.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/243/1/012030