Abstract:Current study examines the effect on coefficient of drag (Cd) of convoy of two reference car bodies (Ahmed body) by employing underbody diffuser on lead body. CFD analysis of convoy is done using Shear-Stress-Transport model under moving ground conditions. The lead body’s diffuser length is taken as 222m with diffuser angle of 0° (no diffuser), 3°, 5, 7°, 9°, 15°, 20°, 25°and 30° each at inter-vehicular 0.25 and 0.75 body length. Each configuration resulting was analyzed with lead body backlite angle of 25° (… Show more
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