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Comparative Study | Mechanical Engineering | Volume 15 Issue 5, May 2026 | Pages: 484 - 487 | India
Complementary Roles of Computational Fluid Dynamics and Wind-Tunnel Testing in Automotive Aerodynamic Development
Abstract: This paper evaluates whether Computational Fluid Dynamics (CFD) or Wind Tunnel Testing represents the superior method for assessing the aerodynamic performance of automotive vehicles, or whether both must be used in combination. CFD provides a virtual simulation environment in which airflow around a vehicle is modelled computationally, enabling iterative design changes without the cost or time associated with physical prototyping. Wind Tunnel Testing, by contrast, subjects a physical model to controlled airflow conditions, generating experimentally validated aerodynamic data. The complementary relationship between both techniques is evident in motorsport - particularly Formula 1- where teams iterate aerodynamic components using CFD and subsequently validate results in scaled wind tunnels under regulatory constraints. This paper reviews the operating principles, strengths, limitations, and real-world applications of each technique, and proposes an integrated hybrid workflow for the automotive design process.
Keywords: CFD, Wind Tunnel Testing, Automotive Aerodynamics, Drag Coefficient, Turbulence Modelling, Aerodynamic Validation
How to Cite?: Mrityunjay Rai Nagpal, "Complementary Roles of Computational Fluid Dynamics and Wind-Tunnel Testing in Automotive Aerodynamic Development", Volume 15 Issue 5, May 2026, International Journal of Science and Research (IJSR), Pages: 484-487, https://www.ijsr.net/getabstract.php?paperid=SR26507083655, DOI: https://dx.doi.org/10.21275/SR26507083655