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Snow Traction Performance of Low Rolling Resistance Drive Tires for Class-8 Tractor Trailers
Technical Paper
2012-01-1918
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
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Language:
English
Abstract
Dynamic traction testing of a sample of drive tires for class 8
tractor-trailers provides information about the relation among
rolling resistance, tire design, and traction performance in snow
conditions. The tests were conducted to address concerns that low
rolling resistance tires used to save fuel and reduce emissions may
have inferior traction on snow. In addition to the dynamic traction
testing, based on ASTM F-1805, rolling resistance was tested using
ISO 28580, and characteristics of the tread design were measured,
including tread depth and void ratio, using ASTM F421 and ASTM
F-870. In general, tires designed for increased traction, usually
made with open shoulders, had a higher snow traction rating than
tires designed for highway applications with closed shoulders.
There was no significant correlation between the snow traction
rating and the coefficient of rolling resistance. Although the
tires with the lowest values of rolling resistance tended to have
lower snow traction ratings, many tire models with much higher
values of rolling resistance had similar low snow traction
ratings.
Of the tire design parameters examined, the only one to have
significant correlation with the snow traction rating (p≺0.05) was
gross contact area, which was not significantly correlated with the
rolling resistance coefficient. Conversely, the rolling resistance
coefficient was correlated significantly (p≺0.05) only with average
tread depth, which was not significantly correlated with the snow
traction rating. The results of this investigation suggest that
tire manufacturers use a variety of design features in the
development of low rolling resistance tires, and that it is
possible to design low rolling resistance tires with superior snow
traction.
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Citation
Bachman, L. and McIntyre, J., "Snow Traction Performance of Low Rolling Resistance Drive Tires for Class-8 Tractor Trailers," SAE Technical Paper 2012-01-1918, 2012, https://doi.org/10.4271/2012-01-1918.Also In
References
- Bachman, L. Erb, A. Bynum, C. “Effect of Single Wide Tires and Trailer Aerodynamics on Fuel Economy and NOx Emissions of Class 8 Line-Haul Tractor-Trailers,” SAE Technical Paper 2005-01-3551 2005 10.4271/2005-01-3551
- Bachman, L. Erb, A. Bynum, C. Shoffner, B. et al. “Fuel Economy Improvements and NOx Reduction by Reduction of Parasitic Losses: Effect of Engine Design,” SAE Technical Paper 2006-01-3474 2006 10.4271/2006-01-3474
- LaClair, T. Truemner, R. “Modeling of Fuel Consumption for Heavy-Duty Trucks and the Impact of Tire Rolling Resistance,” SAE Technical Paper 2005-01-3550 2005 10.4271/2005-01-3550
- http://www.epa.gov/smartway/technology/tires.htm March 28 2012
- National Research Council Technologies and approaches to reducing the fuel consumption of medium- and heavy-duty vehicles: Committee to Assess Fuel Economy Technologies for Medium and Heavy-Duty Vehicles Transportation Research Board, National Academies Press Washington, DC 2010
- Tuthill, Jennifer Natural Resources Canada June 2010
- Kruskal, W.H. Wallis, W.A. Use of Ranks in One-Criterion Variance Analysis Journal of the American Statistical Association 47 260 583 621 1952
- Lew, Stanley Michelin North America March 2012