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Towards Balanced Aerodynamic Axle Loading of a Car with Covered Wheels—Inflatable Splitter

Author

Listed:
  • Maciej Szudarek

    (Institute of Metrology and Biomedical Engineering, Faculty of Mechatronics, Warsaw University of Technology, 02-525 Warsaw, Poland)

  • Konrad Kamieniecki

    (Institute of Micromechanics and Photonics, Faculty of Mechatronics, Warsaw University of Technology, 02-525 Warsaw, Poland)

  • Sylwester Tudruj

    (Institute of Aeronautics and Applied Mechanics, Faculty of Power and Aeronautical Engineering, Warsaw University of Technology, 00-665 Warsaw, Poland)

  • Janusz Piechna

    (Institute of Aeronautics and Applied Mechanics, Faculty of Power and Aeronautical Engineering, Warsaw University of Technology, 00-665 Warsaw, Poland)

Abstract

Generating aerodynamic downforce for the wheels on the front axle of a car is a much more difficult task than for the rear axle. This paper, submitted to the special issue of Energies “Future of Road Vehicle Aerodynamics”, presents an unusual solution to increase the aerodynamic downforce of the front axle for cars with covered wheels, with the use of an elastic splitter. The effect of the inflatable splitter on the aerodynamic forces and moments was studied in a DrivAer passenger car and a fast sports car, Arrinera Hussarya. Providing that the ground clearance was low enough, the proposed solution was successful in increasing the front axle downforce without a significant increase in drag force. The possibility of emergency application of such a splitter in the configuration of the body rotated by up to 2 degrees with the front end raised was also analyzed. An elastic, deformed splitter remained effective for the nonzero pitch case. The results of the calculations are presented in the form of numerical data of aerodynamic forces, pressure and velocity distributions, and their comparisons. The benefits of the elastic splitter are documented, and the noted disadvantages are discussed.

Suggested Citation

  • Maciej Szudarek & Konrad Kamieniecki & Sylwester Tudruj & Janusz Piechna, 2022. "Towards Balanced Aerodynamic Axle Loading of a Car with Covered Wheels—Inflatable Splitter," Energies, MDPI, vol. 15(15), pages 1-28, July.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:15:p:5543-:d:876290
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    References listed on IDEAS

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    1. 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.
    2. Janusz Ryszard Piechna & Krzysztof Kurec & Jakub Broniszewski & Michał Remer & Adam Piechna & Konrad Kamieniecki & Przemysław Bibik, 2022. "Influence of the Car Movable Aerodynamic Elements on Fast Road Car Cornering," Energies, MDPI, vol. 15(3), pages 1-28, January.
    3. Janusz Piechna, 2021. "A Review of Active Aerodynamic Systems for Road Vehicles," Energies, MDPI, vol. 14(23), pages 1-31, November.
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    Cited by:

    1. Maciej Szudarek & Adam Piechna & Piotr Prusiński & Leszek Rudniak, 2022. "CFD Study of High-Speed Train in Crosswinds for Large Yaw Angles with RANS-Based Turbulence Models including GEKO Tuning Approach," Energies, MDPI, vol. 15(18), pages 1-24, September.
    2. Krzysztof Kurec, 2022. "Numerical Study of the Sports Car Aerodynamic Enhancements," Energies, MDPI, vol. 15(18), pages 1-19, September.
    3. Krzysztof Wiński & Adam Piechna, 2022. "Comprehensive CFD Aerodynamic Simulation of a Sport Motorcycle," Energies, MDPI, vol. 15(16), pages 1-27, August.

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