It is well known and a common experience among drivers that controllability and stability of a car-trailer combination is affected when an articulated Heavy Goods Vehicle overtakes.In this paper, aerodynamic effects to a car-trailer combination when it is overtaken by an articulated HGV, have been analyzed experimentally using 1/20 scale models in wind tunnel, and a method to suppress this phenomenon has been investigated.The dynamic behaivor of a car-trailer combination is simulated by a simple mathematical model.The result shows that a car-trailer combination can be stable following the addittion of aerodynamic devices to each side of the vehicle.This simulated result is verified by the on-read test.
Aerodynamic Effects of an Overtaking Articulated Heavy Goods Vehicle on Car-Trailer-An Analysis to Improve Controllability
Sae Technical Papers
Passenger Car Meeting & Exposition ; 1987
1987-10-01
Aufsatz (Konferenz)
Englisch
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