Load, Speed and Inflation Pressure Effects on Rolling Loss Distribution in Automobile Tires

Author:

Clark J. D.1,Schuring D. J.1

Affiliation:

1. 1The Firestone Tire and Rubber Company, Central Research Laboratories, Akron, OH 44317

Abstract

Abstract The effect of tire load, speed, and cold inflation pressure on the rolling loss contribution of any tire region is determined by numerical calculations involving both laboratory measurements and thermal modeling techniques. Laboratory measurements include tire surface temperature distributions obtained from an infrared camera system; thermal modeling is based on finite-difference procedures. Results are presented in two formats: (1) plots of rolling loss distributions from bead to bead and (2) contributions of tread, shoulder, sidewall, and bead regions. The first format is a direct result of the thermal model; the second is derived from multiple-regression operations. Both formats are given as functions of load, cold inflation pressure, and speed. Beahvior in the tread region is shown to be unique.

Publisher

The Tire Society

Subject

Polymers and Plastics,Mechanics of Materials,Automotive Engineering

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