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한보현(Bo-Hyun Han),김환(Hwan Kim),박종혁(Jong-Hyeok Park),차진혁(Jin-Hyeok Cha),김용환(Yong-Hwan Kim),신승화(Seung-Hwa Shin),정한솔(Han-Sol Jeong),김광용(Kwang-Yong Kim) 대한기계학회 2016 대한기계학회 춘추학술대회 Vol.2016 No.12
Numerical study on the aerodynamic performance of a luge has been performed for various shapes of luge body. To analyze the aerodynamic drag of the luge, three-dimensional Reynolds-Averaged Navier-Stoke equations were used with the SST model as a turbulence closure. Grid system was composed of unstructured tetrahedral meshes. The effects of the major axis length of the front bottom, the minor axis length of the cover between the legs, the minor axis length of curved surface of the shoulder bottom, and the radius of the shoulder cover on the drag coefficient, were evaluated. The results show that the aerodynamic performance was most affected by the radius of curvature on shoulder cover.