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Aerodynamic characteristics of a solar vehicle is of significant interest and importance to reduce the air drag experienced in order to reduce the power loss in overcoming various resistances. This paper deals with virtual wind tunnel testing using CFD and finding out the best possible design with due respect to the ESVC’2020 rulebook. A three dimensional CAD model of the vehicle was created using SolidWorks 2018.The model was meshed and CFD was performed subsequently in the ANSYS FLUENT. The drag coefficient was found to be about 0.697 at a speed of 72 Kmph (20m/s) due to large wake region formed behind the main roll hoop. Further reduction in drag coefficient is exhaustive as the main roll hoop is mandatory according to the rulebook. Keywords—ANSYS, drag coefficient, CFD, main roll hoop, solid works ,wake region, etc.

Aerodynamic Design and Development of Infiniti 4.0 Solar Car using CFD