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Hydroplaning and Accident Reconstruction
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English
Abstract
Automobile hydroplaning speed is affected by both the vehicle load on the tire and its inflation pressure, yet only inflation pressure is used in Horne's (1968) equation. He later (1984) made modifications to include a vehicle's tire footprint characteristics. Dunlap et al. (1974) studied the influence of water depth and tread depth on an automibile's hydroplaning speed. Empirical studies by Gallaway et al (1979) produced more conclusive hydroplaning speeds for both automobiles and Ivey et al (1984) for trucks.
This paper uses an influence diagram to show how all the models are related. Using the model the author pursues a few vehicle design parameters that may be combined to make vehicles more prone to hydroplaning. Also, a set of rules is suggested that may be used during accident reconstruction to determine if a vehicle has in fact hydroplaned and the potential source.
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Authors
Citation
Navin, F., "Hydroplaning and Accident Reconstruction," SAE Technical Paper 950138, 1995, https://doi.org/10.4271/950138.Also In
References
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- Saunders, H. Hydrodynamics in Ship Design 1 The Society of Naval Architects and Marine Engineers New York, U.S.A. 1957
- Gallaway, B. et al “Pavement and Geometric Design Criteria for Minimizing Hydroplaning,” Technical Summary Federal Highway Administration FHWA-RD-79-30 Washington, D.C., U.S.A. 1979
- Albert, B. “Tires and Hydroplaning,” International Colloquium on the Interrelation of Skidding Resistance and Traffic Safety on Wet Roads Technical University of Berlin 461 478 1968
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- Ivey, D. et al. “Truck Tire Hydroplaning, Empirical Confirmation of Horne's Thesis,” Texas Transportation Institute, Texas A&M University 1984
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- Hight, P. November 1994
- Dunlap, D. et al. “Passenger-Car Skidding as Influenced by Roadway Design, Tire Tread Depth, and Pavement Conditions,” HIT Lab Report 5 4 Dec. 1974
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- Giles, C. Harris, A. “Some Observations on the Motion of a Vehicle Through an Artificial Water Splash,” Road Research Laboratory, Department of Science and Industry 1960
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