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Aerodynamic Effect of the Gurney Flap on the Front Wing of a F1 Car and Flow Interactions with Car Components

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  • Mattia Basso

    (Dipartimento di Ingegneria Meccanica, Energetica, Gestionale e dei Trasporti (DIME), Università degli Studi di Genova, Via Montallegro 1, 16145 Genova, Italy)

  • Carlo Cravero

    (Dipartimento di Ingegneria Meccanica, Energetica, Gestionale e dei Trasporti (DIME), Università degli Studi di Genova, Via Montallegro 1, 16145 Genova, Italy)

  • Davide Marsano

    (Dipartimento di Ingegneria Meccanica, Energetica, Gestionale e dei Trasporti (DIME), Università degli Studi di Genova, Via Montallegro 1, 16145 Genova, Italy)

Abstract

The design of a racing car needs several aerodynamic design steps in order to achieve high performance. Each component has an aerodynamic interaction with the others and high performance requires a good match between them. The front wing is undoubtedly one of the main components to determine car performance with a strong interaction with the downstream components. The Gurney Flap (GF) is a small appendix perpendicular to the pressure side of the front wing at the trailing edge that can dramatically improve the front wing performance. In the literature, the performance of a GF on a single profile is well documented, while in this paper the GF mounted on the front wing of a racing car has been investigated and the interactions through the 3D flow structures are discussed. The global drag and downforce performance on the main components of the vehicle have been examined by comparing the cases with and without a GF. The GF increases the downforce by about 24% compared to a limited increase in the drag force. A fluid dynamic analysis has been carried out to understand the physical mechanisms of the flow interaction induced to the other components. The GF, in fact, enhances the ground effect, by redistributing the flow that interacts differently with the other components i.e., the wheel zone.

Suggested Citation

  • Mattia Basso & Carlo Cravero & Davide Marsano, 2021. "Aerodynamic Effect of the Gurney Flap on the Front Wing of a F1 Car and Flow Interactions with Car Components," Energies, MDPI, vol. 14(8), pages 1-15, April.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:8:p:2059-:d:532153
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    References listed on IDEAS

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    1. Unai Fernandez-Gamiz & Macarena Gomez-Mármol & Tomas Chacón-Rebollo, 2018. "Computational Modeling of Gurney Flaps and Microtabs by POD Method," Energies, MDPI, vol. 11(8), pages 1-19, August.
    2. Iñigo Aramendia & Unai Fernandez-Gamiz & Ekaitz Zulueta & Aitor Saenz-Aguirre & Daniel Teso-Fz-Betoño, 2019. "Parametric Study of a Gurney Flap Implementation in a DU91W(2)250 Airfoil," Energies, MDPI, vol. 12(2), pages 1-14, January.
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    Cited by:

    1. Daniel Martins & João Correia & André Silva, 2021. "The Influence of Front Wing Pressure Distribution on Wheel Wake Aerodynamics of a F1 Car," Energies, MDPI, vol. 14(15), pages 1-18, July.
    2. Krzysztof Kurec, 2022. "Numerical Study of the Sports Car Aerodynamic Enhancements," Energies, MDPI, vol. 15(18), pages 1-19, September.
    3. Maciej Szudarek & Janusz Piechna, 2021. "CFD Analysis of the Influence of the Front Wing Setup on a Time Attack Sports Car’s Aerodynamics," Energies, MDPI, vol. 14(23), pages 1-29, November.
    4. Carlo Cravero & Davide Marsano, 2022. "Flow and Thermal Analysis of a Racing Car Braking System," Energies, MDPI, vol. 15(8), pages 1-16, April.
    5. Janusz Piechna, 2021. "A Review of Active Aerodynamic Systems for Road Vehicles," Energies, MDPI, vol. 14(23), pages 1-31, November.
    6. Jakub Broniszewski & Janusz Ryszard Piechna, 2022. "Fluid-Structure Interaction Analysis of a Competitive Car during Brake-in-Turn Manoeuvre," Energies, MDPI, vol. 15(8), pages 1-16, April.
    7. Min Chang & Zhongyuan Zheng & Xiaoxuan Meng & Junqiang Bai & Bo Wang, 2022. "Aerodynamic Analysis of a Low-Speed Tandem-Channel Wing for eVTOL Aircraft Considering Propeller–Wing Interaction," Energies, MDPI, vol. 15(22), pages 1-21, November.

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