Influence of Wheel Profile Wear Coupled with Wheel Diameter Difference on the Dynamic Performance of Subway Vehicles

Table 10

Increase in the wear index of outer wheels due to profile change from S1 to S3.

WDD	−1 (%)	−0.8 (%)	−0.5 (%)	−0.2 (%)	0 (%)	0.2 (%)	0.5 (%)	0.8 (%)	1 (%)
Increase	47.9	61.6	70.1	60.6	58.4	66.6	68.9	74.6	67.1