Determining the Interaction Coefficient Between Wheels and Rails

This article delves into the determination of the coefficient of friction between wheel pairs and rails, crucial components of locomotive wheel motor units, through scientific inquiry. Our research highlights that the maximum coefficient value is contingent upon both the maximum friction value and the force exerted by the wheel on the axle. Additionally, we observe that the adhesion coefficient's value varies with sliding speed, with a maximum sliding speed identified as 0.5. Experimental findings reveal that mixing coefficients range between 80% and 90% of the maximum value.