Influence of the Car Movable Aerodynamic Elements on Fast Road Car Cornering

Janusz Ryszard Piechna, Krzysztof Kurec, Jakub Broniszewski, Michał Remer, Adam Piechna, Konrad Kamieniecki and Przemysław Bibik
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Janusz Ryszard Piechna: Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology, 00-665 Warszawa, Poland
Krzysztof Kurec: Institute of Micromechanics and Photonics, Warsaw University of Technology, 02-525 Warszawa, Poland
Jakub Broniszewski: Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology, 00-665 Warszawa, Poland
Michał Remer: Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology, 00-665 Warszawa, Poland
Adam Piechna: Institute of Automatic Control and Robotics, Warsaw University of Technology, 02-525 Warszawa, Poland
Konrad Kamieniecki: Institute of Micromechanics and Photonics, Warsaw University of Technology, 02-525 Warszawa, Poland
Przemysław Bibik: Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology, 00-665 Warszawa, Poland

Energies, 2022, vol. 15, issue 3, 1-28

Abstract: In the case of road cars, road safety is the primary factor. The geometry of high-speed road cars has no regulatory restrictions. In addition to the high engine power and effective shape, they can use various types of additional movable aerodynamic elements to adjust their aerodynamic characteristics to the road conditions. Based on the geometry of a two-seater prototype of such a vehicle, a numerical analysis of the influence of a number of additional movable aerodynamic elements on its aerodynamic characteristics was performed. Several of them were installed on the prototype. An electronic system recording a number of motion parameters of the entire car body and some of its movable elements installed on the body was designed and built. The system has been adapted to program the motion of additional aerodynamic elements according to the set algorithms of their activation, temporarily changing the aerodynamic characteristics of the car. An experimental study of the effect of changes in the aerodynamic characteristics of the prototype on its dynamic properties during a drive through a test road section was carried out. It was shown to what extent an average driver can increase the safe speed of the curve of the road using the possibilities of moving aerodynamic elements installed on it.

Keywords: automobile aerodynamics; movable add-ons; cornering; CFD (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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