Effect of a Time-Varying Load On Side Force Generated by a Tire Operating at Constant Slip Angle 630150

A semiempirical theory of tire behavior is derived for the purpose of analyzing side force produced when a tire, steered to a constant angle, is subjected to a periodically vaying load, including the case wherein the tire leaves the ground. The theory may be used to predict side force as a function of loading frequency, rolling velocity, oscillation amplitude, average load, inflation pressure, and slip angle. Because parameters are derived from measured forces on the tire, results are essentially independent of tire size. Therefore the analysis may be extended to predict the dynamic performance of full-size automobile tires.


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