Aerodynamic Analysis of the Exterior Structures of Sports Cars

Abstract: Aerodynamic optimization of sports car exterior structures has become a critical engineering discipline in the contemporary automotive industry, directly influencing vehicle performance, fuel efficiency, stability, and safety. This paper presents a comprehensive technical analysis of the aerodynamic principles governing sports car body design, examining both passive and active aerodynamic systems employed by leading manufacturers in the 2022–2026 model year range. The study synthesizes computational fluid dynamics (CFD) methodologies, wind tunnel experimental data, and real-world performance metrics from Ferrari, Porsche, Chevrolet, McLaren, and Lamborghini to evaluate aerodynamic efficiency through key parameters including drag coefficient (Cd), lift coefficient (Cl), and downforce generation. Mathematical formulations governing fluid behavior—particularly the Navier–Stokes equations, Bernoulli's principle, and boundary layer theory—are presented alongside practical applications in diffuser design, front splitter geometry, rear spoiler configuration, and underbody aerodynamics. Results indicate that advanced active aerodynamic systems can achieve drag coefficients as low as 0.25 Cd while simultaneously generating over 1,000 kg of downforce at speeds exceeding 250 km/h. The paper further examines regulatory frameworks imposed by the Fédération Internationale de l'Automobile (FIA) and Society of Automotive Engineers (SAE) standards. Future directions include machine learning-augmented CFD, biomorphic surface design, and adaptive materials for real-time aerodynamic adjustment. Keywords: aerodynamics, sports car design, drag coefficient, downforce, CFD simulation, active aerodynamics, boundary layer. Title: Aerodynamic Analysis of the Exterior Structures of Sports Cars Author: Eng. Ali Mejbel Abdullah Aljadei International Journal of Mechanical and Industrial Technology ISSN 2348-7593 (Online) Vol. 14, Issue 1, April 2026 - September 2026 Page No: 1-9 Research Publish Journals Website: www.researchpublish.com Published Date: 20-April-2026 DOI: https://doi.org/10.5281/zenodo.19659390 Paper Download Link (Source) https://www.researchpublish.com/papers/aerodynamic-analysis-of-the-exterior-structures-of-sports-cars