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Highway Tractor-Trailer Splash and Spray Reduction Through Aerodynamic Design
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English
Abstract
The application of aerodynamics to treat highway tractor-trailer vehicles, primarily for fuel economy gains, has a potentially significant effect in reducing the spray generated from surface water at high road speeds.
This paper describes the evaluation of an aerodynamically designed conventional tractor-trailer system to determine the levels of spray control assignable to individual aero features. Basic study involved vehicle operation through controlled water depths using laser instrumentation to rate the level of spray generated. Additionally, video documentation of certain configurations operating on-highway compared the real world effectiveness of aerodynamic designs in moderate rainfall.
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Citation
Olson, M. and Fry, P., "Highway Tractor-Trailer Splash and Spray Reduction Through Aerodynamic Design," SAE Technical Paper 881875, 1988, https://doi.org/10.4271/881875.Also In
References
- Koppa, R. J. Zimmer, R. A. Ivey, D. L. Pendleton, O. “Heavy Truck Splash and Spray Testing,” Texas Transportation Institute Final Report RF7002, Agreement No. TTI-8413-C9191 Motor Vehicle Manufacturers' Association Detroit, Michigan September 1984
- Koppa, R. J. Pendleton, O. Zimmer, R. A. Pezoldt, V. J. Bremer, R. M. “Heavy Truck Splash and Spray Testing: Phase II,” Texas Transportation Institute Final Report RF7040, Agreement No. TTI-8519-C5138 Motor Vehicle Manufacturers Association Detroit, Michigan August 1985
- Koppa, R. J. Pendleton, O. Zimmer, R. A. “Evaluation Of Splash and Spray Treatments on Navistar International Heavy Trucks,” Texas Transportation Institute Final Report RF7063, Agreement No. XF-82882 Navistar International Corp. Fort Wayne, Indiana June 1986
- Federal Register 50 71 Proposed Rules April 1985
- Clark, R. M. “Heavy Truck Splash and Spray Suppression: Near and Long Term Solutions,” SAE Paper 831178 Vancouver, B.C. August 1983
- Koppa, R. J. Pendleton, J. J. “Splash and Spray Test Results,” SAE Paper 872279 Dearborn, Michigan November 1987