| ACTIVELY TRANSLATING A REAR DIFFUSER DEVICE FOR THE AERODYNAMIC DRAG REDUCTION OF A PASSENGER CAR |
| S. O. KANG, S. O. JUN, H. I. PARK, K. S. SONG, J. D. KEE, Kyu-Hong Kim, D. H. LEE |
| Seoul National University |
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| ABSTRACT |
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This research aims to develop an actively translating rear diffuser device to reduce the aerodynamic drag experienced by passenger cars. One of the features of the device is that it is ordinarily hidden under the rear bumper but slips out backward only under high-speed driving conditions. In this study, a movable arc-shaped semi-diffuser device, round in form, is designed to maintain the streamlined automobile |
| Key Words:
Automobile aerodynamics, Active rear diffuser device, Drag reduction, Fuel efficiency improvement |
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