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백승진(Seung-Jin Baek),오민수(Min Soo Oh),이정호(Jung-Ho Lee),김무상(Moo Sang Kim) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.4
A numerical simulation was performed of flow behind a squareback car with a rear spoiler. Influence of the rear spoiler on drag force has been studied. A lattice Boltzmann method was utilized to portray the unsteady aerodynamics of wake flows. The pressure distributions were employed to examine the vortex formation mode against the rear spoiler. It was found that the separation flow at roof end and c-pillar makes three dimensional vortex structures and the rear spoiler increases pressure on the rear glass surface.