Truck Splash and Spray-Some Recent Results 800529

This paper highlights the results of a program to study the effects of truck aerodynamics, splash, and spray. The approach has involved state of the art review and assessment, analysis, laboratory tests, model scale wind tunnel experiments, full scale tests, cost effectiveness analysis, and field evaluations. This paper summarizes the latter activities.
The emphasis has been on devices fixed to trucks which can modify the air flow properties around the truck and reduce the formation and propagation of splash and spray as experienced by adjacent motorists. Such devices have been conceptualized, developed as prototypes, and tested under full scale and over the road conditions.


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