Parametric optimization for van drag reduction using a side flap

In current study, the aerodynamic drag reduction of a simplified van model was numerically explored by mounting a side flap on the rear end, on the basis of ANSYS-Fluent, an established Computational Fluid Dynamics (CFD) software. A robust Taguchi test design method was leveraged to optimize the ind...

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Bibliographic Details
Published in:Proceedings of the Institution of Mechanical Engineers. Part D, Journal of automobile engineering Journal of automobile engineering, 2024-07, Vol.238 (8), p.2312-2326
Main Authors: Hachimy, Fatima-Zahra, Omar, Ashraf, Elsayed, Omer, Bouchaala, Kenza
Format: Article
Language:English
Subjects:
Aerodynamic drag
Computational fluid dynamics
Design optimization
Drag coefficients
Drag reduction
Mathematical models
Parameter robustness
Pressure drag
Taguchi methods
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Summary:In current study, the aerodynamic drag reduction of a simplified van model was numerically explored by mounting a side flap on the rear end, on the basis of ANSYS-Fluent, an established Computational Fluid Dynamics (CFD) software. A robust Taguchi test design method was leveraged to optimize the independent parameters related to side flap design in order to achieve the best combination for maximum drag reduction with minimum test numbers. The accuracy of the numerical study was validated using the benchmark, Ahmed body model. The current study outcomes established the efficiency of adding a side flap to weaken the longitudinal vortices, at the rear part of the van model, for the purpose of reducing the aerodynamic drag. In this study, the authors achieved a maximum reduction of 11.50% for total drag coefficient and 11.73% for pressure drag coefficient.
ISSN:0954-4070
2041-2991
DOI:10.1177/09544070231164200