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Splash and Spray Test Results
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English
Abstract
Splash and spray production from heavy trucks under wet weather conditions has been a concern for many years. The history of this area of research and development is described, in the context of Federal mandates in recent years. The laser transmissometer technology pioneered by Systems Technology Inc. has been further developed by the Texas Transportation Institute over the past four years. This methodology is described, and data reduction/analysis approaches are discussed, especially accounting for the influence of wind direction and velocity. General findings and recommendations for future R and D are provided for the two basic approaches to diminishing splash and spray from heavy trucks; redirection of water and aerodynamic treatment of the vehicle.
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Citation
Koppa, R. and Pendleton, O., "Splash and Spray Test Results," SAE Technical Paper 872279, 1987, https://doi.org/10.4271/872279.Also In
References
- National Highway Traffic Safety Administration “Heavy Duty Truck and Spray Reduction” December 8 1982
- Weir, D. Strange, J.F. Heffley, R.K. “Reduction of Adverse Aerodynamic Effects of Large Trucks.” Final Report Systems Technology Inc. Hawthorne, California September 1978
- Johnson, W.A. Stein, A.C. Hogue, J.R. “Full Scale Testing of Devices to Reduce Splash and Spray from Heavy Trucks.” Systems Technology, Inc. Hawthorne California January 1985
- Koppa, R.J. Zimmer, R.A. Ivey, D.L. Pendleton, O. “Heavy Truck Splash and Spray Testing.” Final Report RF 7002 Motor Vehicle Manufacturers Association of the U.S. Texas Transportation Institute College Station, Texas September 1984 3
- Department of Transportation, National Highway Traffic Safety Administration “Splash and Spray Suppression Devices,” Notice of Proposal Rulemaking April 8 1985
- Koppa, R.J. Pendleton, O. et al “Heavy Truck Splash and Spray Testing: Phase II” Final Report RF 7040 Motor Vehicle Manufacturers Association of the U.S. Texas Transportation Institute College Station, Texas August 1985
- Johnson, W.A. Systems Technology Inc. Hawthorne, California Personal Communications May 1984
- Freund, R.J. Littell, R.C. “SAS for Linear Models” A guide to the ANOVA and GLM Procedures SAS Institute, Inc. Box 8000, Cary, N.C. 1981