1987-11-08

Improvement of Van Type Truck Aerodynamics 871237

1. ABSTRACTTo reduce the vehicle fuel consumption at high speed, it is very effective to minimize the aerodynamic resistance of the vehicle, which forms most of the vehicle running resistance at high speed. This paper presents a reduction of the aerodynamic resistance of van type truck through the wind tunnel tests using 1/5 scaled model.Firstly, the aerodynamically desirable cab shape for cargo type truck is investigated by changing main cab shape factors such as corner curvatures.Secondly, several effective attachments for Van type truck are investigated, and lastly, the effect of these aerodynamic improvements on the fuel consumption are clearified by vehicle running test.

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