A device for Reducing the Aerodynamic Drag of a Cavity in a Flow and a Vehicle in Particular a Rail Vehicle Provided with Such a Device

摘要

The invention relates to a device for reducing the air drag of a cavity (1) in a flow section (6), which device comprises at least one of the edges (4, 5) of the cavity and the corresponding wall (8) of the corresponding vehicle (8, 9). It is characterized in that it comprises a blade 7 superimposed on 2, 3 and arranged adjacent to the walls 2, 3. The present invention also relates to a vehicle equipped with the above apparatus, in particular a railway vehicle.