CFD Analysis on Aerodynamics of an Automobile Body
Keywords:
CFD, Aerodynamics, Automobile body, drag coefficient, lift coefficient, ANSYS-CFXAbstract
Vehicle Aerodynamics plays a crucial role and parameters such as drag as well as lift affect the performance of vehicle running at high speed. The various forces acting on a vehicle, like drag force, lift force, weight, side forces, and thrust and all these forces affect the fuel consumption rate of the car. The production of drag force and down force in automotive body are determined by analysis of air flow around it. A generic model of a sedan car and a wing type spoiler was designed in CAD software (Solid works) and performed CFD (Computational fluid dynamics) analysis on the car with and without the spoiler in the ANSYS-CFX and determined the drag coefficient and lift coefficient acting on the generic model of the sedan car. On adding the spoiler, it helps to increase the down force, which ultimately results in the stability of the vehicle and reduced fuel consumption.
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