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Proceedings ArticleDOI

Aerodynamic Analysis on under Body Drag and Vehicle Performance of Active Front Spoiler for High CG Vehicles

About: The article was published on 2019-10-11. It has received 2 citations till now. The article focuses on the topics: Drag & Front (military).
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Journal ArticleDOI
TL;DR: In this paper , the authors present a numerical analysis of the flow around an Audi R8 sports car and the effect of adding a National Advisory Committee for Aeronautics (NACA) NACA 6412 base profile wing.
Abstract: This study presents a numerical analysis of the flow around an Audi R8 sports car and the effect of adding a National Advisory Committee for Aeronautics (NACA) 6412 base profile wing. The mass and momentum conservation laws are solved using Reynolds-averaged Navier–Stokes (RANS) equations. The turbulence is simulated using the realizable k–ε model, and the pressure–velocity coupling is solved using the semi-implicit method for pressure-linked equations (SIMPLE). The analysis was performed in the ANSYS Fluent-19 numerical code. The numerical results were validated with experimental data and numerical simulations from other studies in the open literature on vehicles without wings. The analyses included quantifying drag, lift, lateral forces, and their respective coefficients. When the wing was attached to the rear of the vehicle, there was a considerable increase in the aerodynamic load with an increase in drag. Therefore, the wing used in this study represented an effective balance of forces. Furthermore, the interaction of the centripetal wing with the flow around the vehicle was identified along with its role in assisting during curved flow or, equivalently, when the vehicle was cornering.
Journal ArticleDOI
TL;DR: In the present work design and fabrication of multi-spindle drilling, the head is fabricated to increase the production capacity of the manufacturing unit and the production rate was increased by 78%.