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류종우(J.Ryu),조성권(S.K.Cho),양준모(J.M.Yang),유정열(J.Y.Yoo),최해천(H.Choi),이준식(J.S.Lee) 한국자동차공학회 1995 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1995 No.6_2
Numerical and experimental studies are performed to investigate the effect of the underbody shape of the simplified road vehicle on drag and lift. Four different vehicle models with front and rear slanted variations at the lower surface are used in this study. Cases with a slanted underbody surface at front have smaller drag than those without a slanted surface. Also, cases with a slanted underbody surface at rear have smaller lift than those without a slanted surface. Pressure distributions along the model surfaces and velocity fields at the wake region are examined in detail. In general, numerical solutions are in agreement with experimental results.<br/>