1982-02-01

The Wind Tunnel Testing of Heavy Trucks to Reduce Fuel Consumption 821285

ABSTRACT

Contemporary wind tunnel test techniques used to determine the aerodynamic drag of model trucks are reviewed. The effect of drag coefficient changes are evaluated in terms of reductions in fuel consumption and several comparisons are made between wind tunnel predictions and road measurement. The drag reductions and fuel consumption reductions presently available and those expected from future aerodynamic modifications are examined, based on wind tunnel experience.

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