Aerodynamics of trucks and other high sided vehicles is of significant interest in reducing road side accidents due to wind loading and in improving fuel economy. Recognizing the limitations of conventional wind tunnel testing, considerable efforts have been invested in the last decade to study vehicle aerodynamics computationally. In this paper, a three-dimensional near field flow analysis has been performed for axial and cross wind loading to understand the airflow characteristics surrounding a truck-like bluff body. Results provide associated drag for the truck geometry including the exterior rearview mirror. Modifying truck geometry can reduce drag, improving fuel economy.
External Flow Analysis of a Truck for Drag Reduction
Sae Technical Papers
International Truck & Bus Meeting & Exposition ; 2000
04.12.2000
Aufsatz (Konferenz)
Englisch
Truck aerodynamic drag reduction
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